The Mammal Anatomy: Internal Organs ClipArt gallery offers 192 views of the internal organs and other soft tissue of various species of mammals.

Facial arteries of the left side. Labels: a, maxillo-muscular; a', posterior masseter; b, c, posterior auricular; d, anterior branch of it; e, inferior auricular branch; f, superficial temporal; g, subzygomatic; g', transverse facial; g", masseter; h, anterior auricular; i, facial portion of glosso-facial; k, inferior coronary; l, superior coronary; m, lateral nasal; n, dorsal nasal; o, angular artery of the eye.

Head of a Horse Showing Arteries

Facial arteries of the left side. Labels: a, maxillo-muscular; a', posterior masseter; b, c, posterior…

Nerves of the right side of the head- the maxillary ramus and cheek being removed. Labels: a, superior maxillary branch of fifth; a', spheno-palatine; b, orbital; c, branch of spheno-palatine; d, palatine; e, superior dental; f, staphyline; g, superior maxillary trunk entering infraorbital foramen; g', superior; g", middle; g"', inferior nasal nerves; h, inferior maxillary branch of fifth; u, masseter; k, anterior deep temporal; l, pterygoid; m, buccal; n, subzygomatic; o, inferior dental; o', mental ; p, lingual; p', its superficial; p", its deep branch.

Head of a Horse Showing Nerves

Nerves of the right side of the head- the maxillary ramus and cheek being removed. Labels: a, superior…

Left side of the face- showing the distribution of the facial portions of the fifth and the seventh nerves. Labels: a, infraorbital; b, masseter; c, superior; d, inferior branch of subzygomatic; e, anterior; f, middle; g, posterior auricular; h, posterior temporal; i, cervical branch; k, styloid; l, parotid branches; m, facial; n', its superior portion; o, its inferior portion.

Head of a Horse Showing Nerves

Left side of the face- showing the distribution of the facial portions of the fifth and the seventh…

Ninth, tenth, eleventh, and twelfth cranial, first cervical, and part of the sympathetic nerves- the left maxillary ramus and parotid gland being removed. Labels: a, carotid artery; b, glosso-pharyngeal; b', its pharyngeal; b", its lingual branch; c, pneumogastric; c' pharyngeal; c", superior laryngeal; d, d', d", spinal accessory; e, hypo-glossal; f, great sympathetic; f", superior cervical ganglion; g", communication of sympathetic and pneumogastric; g, first cervical nerve.

Head of a Horse Showing Nerves

Ninth, tenth, eleventh, and twelfth cranial, first cervical, and part of the sympathetic nerves- the…

Right side of the heart-laid open. Labels: 1, right ventricle; a, its external wall; b, carneae columnae; c, great moderator band; d, origin of pulmonary artery; e, sigmoid valves; 2, right auricle; a, foramina Thebesii and musculi pectinati; b, opening of anterior, and c, of posterior vena cava.

Heart of a Horse

Right side of the heart-laid open. Labels: 1, right ventricle; a, its external wall; b, carneae columnae;…

Left side of the heart-laid open. Labels: 1, left ventricle; a, its external wall; b, carneae columnae; c, moderator band; d, mitral valve; d', chordae tendineae; 2, left auricle; a, musculi pectinati; b, opening of pulmonary veins.

Heart of a Horse

Left side of the heart-laid open. Labels: 1, left ventricle; a, its external wall; b, carneae columnae;…

Section of a portion of liver passing longitudinally through a considerable hepatic vein, from the pig. Labels: H, hepatic venous trunk, against which the sides of the lobules (l) are applied; h, sublobulour hepatic veins, on which the bases of the lobules rest, and through the coats of which they are seen as polygonal figures; i, mouth of the intralobular veins, opening into the sublobular veins; i', intralobular veins shown passing up the center of some divided lobules; l, cut surface of the liver; c, walls of the hepatic venous canal, formed by the polygonal bases of the lobules.

Hepatic Vein in the Liver of a Pig

Section of a portion of liver passing longitudinally through a considerable hepatic vein, from the pig.…

Ligaments of the hip joint- infero-internal view. Labels: a, cotyloid ligament; b, round ligament; c, pubio-femoral, crossed by the transverse ligament.

Hip Joint Ligaments

Ligaments of the hip joint- infero-internal view. Labels: a, cotyloid ligament; b, round ligament; c,…

Right infero-lateral view of the head; the maxillary ramus, cheek, parotid gland, and upper lip being removed. Labels: a, submaxillary gland; b, Wharton's duct; c, sublingual gland; d, its excretory orifices; e, labial glands; f, their excretory orifices; g, papilla, with orifice of Steno's duct; h, orifices of the superior, and i, those of the inferior molar glands; k, the hard palate; l, the soft palate; m, the tongue, with its papillae; n, pillars of the tongue and soft palate; o, fraenumlinguae.

Horse Head

Right infero-lateral view of the head; the maxillary ramus, cheek, parotid gland, and upper lip being…

Mesentery and intestines of an ox. Labels: 1, duodenum; 2, small intestines; 3, caecum; 4, colon; 5, rectum; 6, mesentery.

Intestines of an Ox

Mesentery and intestines of an ox. Labels: 1, duodenum; 2, small intestines; 3, caecum; 4, colon; 5,…

Longitudinal section of injected kidney of dog, showing general arrangement of blood vessels of cortex and adjacent medulla.

Longitudinal Section of Kidney of a Dog

Longitudinal section of injected kidney of dog, showing general arrangement of blood vessels of cortex…

Horizontal section of the kidney of a hog. Labels: a, cortical substance; b, medullary substance; c, renal papillae; d, infundibulum; e, ureter cut across.

Kidney of a Hog

Horizontal section of the kidney of a hog. Labels: a, cortical substance; b, medullary substance; c,…

Horizontal section of the right kidney. Labels: a, fibrous capsule detached; b, cortical layer; c, medullary layer; d, cut ends of large blood vessels; e, pelvis of the kidney; f, ureter.

Kidney of a Horse

Horizontal section of the right kidney. Labels: a, fibrous capsule detached; b, cortical layer; c, medullary…

Lobulated kidney of an ox.

Kidney of an Ox

Lobulated kidney of an ox.

A section through the cortex of an ape's kidney. A Malpighian corpuscle, together with the beginning of the tubule, is shown.

Section Through an Ape's Kidney

A section through the cortex of an ape's kidney. A Malpighian corpuscle, together with the beginning…

Cavity of the larynx- opened posteriorly. Labels: a, lateral ventricles of the larynx; b, middle ventricle; c, true vocal cords.

Larynx Cavity of a Horse

Cavity of the larynx- opened posteriorly. Labels: a, lateral ventricles of the larynx; b, middle ventricle;…

Muscles of the larynx-left lateral view. Labels: a, hyoepiglottideus; b, hyothyroideus; c, cricothyroideus.

Larynx Muscles of a Horse

Muscles of the larynx-left lateral view. Labels: a, hyoepiglottideus; b, hyothyroideus; c, cricothyroideus.

Muscles of the larynx-left lateral view-the thyroid wing being removed. Labels: a, arytenoideus; b, cricoarytenoideus posticus; c, cricoarytenoideus lateralis; d, thyroarytenoideus.

Larynx Muscles of a Horse

Muscles of the larynx-left lateral view-the thyroid wing being removed. Labels: a, arytenoideus; b,…

Longitudinal section through the digit of a horse. Labels: 1, skin; 2, extensor pedis tendon; 3, synovial capsule of patern joint; 4, metacarpus; 5, perforatus tendon; 6 (omitted in cut), perforans tendon; 7, synovial sheath; 8, projecting synovial cul-de-sac; 9, inner aspect of sesamoid bone; 10, the fetlock; 11, the y-ligament; 12, the v-ligament; 12, proximal phalanx; 14, terminal portion of extensor tendon; 15, median phalanx; 16, third sesamoid or navicular bone; 17, the sensitive frog; 18, distal phalanx; 19, the hoof; 20, sensitive laminae.

Section Through the Horse Leg and Hoof

Longitudinal section through the digit of a horse. Labels: 1, skin; 2, extensor pedis tendon; 3, synovial…

Arteries of the right posterior limb- external view. Labels: 1, popiteal; 2, posterior tibial; 3, anterior tibial; a, peroneal; b, muscular branches; 4, perforating pedal; 5, great metatarsal.

Leg of a Horse Showing Arteries

Arteries of the right posterior limb- external view. Labels: 1, popiteal; 2, posterior tibial; 3, anterior…

Carpal and metacarpal nerves-internal aspect. q, external branch of median; r, internal branch of median, or internal metacarpal; s, internal branch of cubital; t, external branch of median, and internal branch of cubital uniting to form external metacarpal; u, communicating branch uniting metacarpal nerves; v, internal digital.

Leg of a Horse Showing Nerves

Carpal and metacarpal nerves-internal aspect. q, external branch of median; r, internal branch of median,…

Meridional section through the lens of a rabbit. Labels: 1, Lens capsule; 2, epithelium of lens; 3, transition of the epithelium into the fibers; 4, lens fibers.

Lens of a Rabbit

Meridional section through the lens of a rabbit. Labels: 1, Lens capsule; 2, epithelium of lens; 3,…

Posterior view of the liver and diaphragm in situ. Labels: a, left lobe; b, right lobe; c, quadrate lobe; d, spigelian lobe; d', spigelian ligament; just above in the right kidney; e, left lateral ligament; f, right lateral ligament; g, broad ligament; h, hepatic duct; i, piece of the duodenum opened to show, k, opening of the ductus pancreaticus minor, and l, Eminence of Vater; m, vena porta; n, posterior vena cava; o, notch for esophagus.

Liver and Diaphragm of a Horse

Posterior view of the liver and diaphragm in situ. Labels: a, left lobe; b, right lobe; c, quadrate…

Liver of a hog-posterior view. Labels: a, right external lobe; c, left external lobe; d, left internal lobe; e, spigelian lobe; f, posterior cava; g, quadrate lobe; h, gall bladder; i, cystic duct; k. ductus choledocus.

Liver of a Hog

Liver of a hog-posterior view. Labels: a, right external lobe; c, left external lobe; d, left internal…

Posterior view of the liver of an ox. Labels: a, left lobe; b, right lobe; c, spigelian lobe; d, quadrate lobe; e, superior border; e', anterior fissure; f, inferior border; f', notch for the umbilical vein; g, gall bladder; h, biliary tubes; i, cystic duct; k, ductus choledochus.

Liver of an Ox

Posterior view of the liver of an ox. Labels: a, left lobe; b, right lobe; c, spigelian lobe; d, quadrate…

Section of a lymphatic gland. Labels: a, capsule; b, trabeculae of cortical portion; c, trabeculae of medullary portion; d, e, lymphoid contents of loculi; f, afferent vessels; g, their confluence, leading to h, the efferent vessel.

Lymphatic Gland of a Horse

Section of a lymphatic gland. Labels: a, capsule; b, trabeculae of cortical portion; c, trabeculae of…

Developing lymphatics in rabbit embryo of 14 days. Lymphatic vessels are heavily shaded; veins are light. Labels: In.J., Ex.J., internal and external jugular veins; Pr.U., primitive ulnar; Ex.M., external mammary; Az., azygos; VCI., inferior vena cava; G., gastric; S.M., superior mesenteric; V., vitelline; Sc., subcardinal; R.A., renal anastomosis of subcardinals; Pr.Fi.,primitive fibular; c.b., connecting branch; An.T., anterior tibial; c., caudal; 3,4,5,6, position of corresponding cervical nerves.

Lymphatics in a Rabbit Embryo

Developing lymphatics in rabbit embryo of 14 days. Lymphatic vessels are heavily shaded; veins are light.…

Lymphatics of central tendon of rabbit's diaphragm, stained with silver nitrate. The ground substance has been shaded diagrammatically to bring out the lymphatic clearly. Lymphatics, l, lined by long narrow endothelial cells, and showing valves, v, at frequent intervals.

Lymphatics of Rabbit's Diaphragm

Lymphatics of central tendon of rabbit's diaphragm, stained with silver nitrate. The ground substance…

S, cut end of duodenum; R, cut end of rectum; C, caecum; C2, accessory caecum; C.L., colic loop of hind-gut.

Intestinal Tract of Macropus Bennetti

S, cut end of duodenum; R, cut end of rectum; C, caecum; C2, accessory caecum; C.L., colic loop of hind-gut.

"Mammalian ovum. ov., Ovum; f., follicular capsule; f2., follicle cells; f.c., follicle cells forming discus proligerus; f.l., cavity occupied by liquor folliculi." -Thomson, 1916

Mammal Ovum

"Mammalian ovum. ov., Ovum; f., follicular capsule; f2., follicle cells; f.c., follicle cells forming…

This is a diagram of a trunk vertebra in a mammal. c, centrum; ch., position originally occupied by the notochord; h., head of the rib; h.c., haemal cavity; n.a., neural arch; n.c., neural canal; n.s., neural spine; r., rib; st., sternum; s.c., sternal cartilage uniting ribs and sternum; t.p., transverse process of vertebra; tu., tuberole of rib.

Mammal Vertebrae

This is a diagram of a trunk vertebra in a mammal. c, centrum; ch., position originally occupied by…

Two section through the junction between the cord and medulla of the Orang. A is at a slightly lower level than B.

Section Through the Junction of the Medulla and Cord of the Orang

Two section through the junction between the cord and medulla of the Orang. A is at a slightly lower…

A small portion of medullary substance from a mesenteric gland of an ox, d, trabeculae; a, part of a cord of glandular substances from which all but a few of the lymph corpuscles have been washed out to show its supporting meshwork of retiform tissue and its capillary blood vessels (which have been injected, and are dark in the figure); b, lymph sinus, of which the retiform tissue is represented only at c.

Medullary Substance from a Mesenteric Gland of an Ox

A small portion of medullary substance from a mesenteric gland of an ox, d, trabeculae; a, part of a…

Section of medullary substance of an inguinal gland of an ox. Labels: a, glandular substance or pulp forming rounded cords joining in a continuous net ( dark in the figure): c, trabeculae; the space, b, between these and the glandular substance is the lymph sinus, washed clear or corpuscles and traversed by filaments of retiform connective tissue.

Medullary Substance of an Inguinal Gland

Section of medullary substance of an inguinal gland of an ox. Labels: a, glandular substance or pulp…

Section of a mesenteric gland from the ox. Labels: a, Hilus; b, medullary substance; c, cortical substance with indistinct alveoli; d, capsule.

Mesenteric Gland

Section of a mesenteric gland from the ox. Labels: a, Hilus; b, medullary substance; c, cortical substance…

The two mesenteries; the great colon being removed. Labels: a, anterior mesentery; b, mesenteric glands; c, loops of the small intestine; d, colic mesentery; e, loops of the floating colon; f, sphincter ani- internal layer; g, levator ani.

Mesenteries of a Horse

The two mesenteries; the great colon being removed. Labels: a, anterior mesentery; b, mesenteric glands;…

A Harvest Mouse nest constructed of grass woven together on three stalks.

Harvest Mouse Nest

A Harvest Mouse nest constructed of grass woven together on three stalks.

Section of mucous membrane of the small intestine. One the left a villus is seen in seen in section. Labels: a, the epithelial covering; c, the blood-vessels; d, the basement membrane, or subepithelial layer; e, spaces for reception of the chyle; f, origin of a lacteal vessel. On the right is a follicular depression in the mucous membrane, with b, the cells lining it; and c, the subepithelial layer.

Mucous Membrane

Section of mucous membrane of the small intestine. One the left a villus is seen in seen in section.…

Section of mucous membrane of the small intestine. One the left a villus is seen in seen in section. Labels, the epithelial covering, the blood-vessels, the basement membrane, or sub epithelial layer, spaces for reception of the chyle, origin of a lacteal vessel. On the right is a follicular depression in the mucous membrane, with, the cells lining it and the sub epithelial layer.

Mucous Membrane

Section of mucous membrane of the small intestine. One the left a villus is seen in seen in section.…

Mucous membrane of a frog's intestine during fat absorption. Labels: ep, epithelium; str, striated borer; C, lymph corpuscles; l, lacteal.

Mucous Membrane of Frog's Intestine

Mucous membrane of a frog's intestine during fat absorption. Labels: ep, epithelium; str, striated borer;…

"Plain muscle fibres. n, nucleus of muscle cell; p, undifferentiated cell protoplasm; p', the differentiated contractile portion of the cell." — Galloway

Muscle Fibres

"Plain muscle fibres. n, nucleus of muscle cell; p, undifferentiated cell protoplasm; p', the differentiated…

Unstriped muscle, or plain muscle, forms the proper muscular coats. Shown is a plexus of bundles of unstriped muscle cells from the pulmonary pleura of the guinea pig. Labels: A, branching fibers; B, their long central nuclei.

Unstriped Muscle of a Guinea Pig

Unstriped muscle, or plain muscle, forms the proper muscular coats. Shown is a plexus of bundles of…

Also known as unstriped muscle.

Plain Muscle

Also known as unstriped muscle.

Deep-seated muscles of the gluteal region. Labels: a, deep anterior portion of gluteus maximus; b, gluteus internus; c, common tendon of obturator internus and pyriformis; d, gemellus anticus and posticus; e, ischiofemoralis.

Muscles from Gluteal Region of a Horse

Deep-seated muscles of the gluteal region. Labels: a, deep anterior portion of gluteus maximus; b, gluteus…

Muscles of the sublumbar and internal deep femoral regions-seen from below. Labels: a, quadratus lumborum; b, psoas parvus; c, psoas magnus; d, e, iliacus; f, pectineus; g, adductor brevis; h, adductor longus; i, adductor magnus; k, vastus internuus; l, rectus femoris.

Muscles From the Femoral Region of the Horse

Muscles of the sublumbar and internal deep femoral regions-seen from below. Labels: a, quadratus lumborum;…

The diaphragm, and superficial muscles of the internal femoral region-viewed from below. A, the diaphragm; a, the tendinous center; a', the fleshy periphery; a", the crura; a"', the hiatus aorticus; a"", the foramen sinistrum; a""', the foramen dextrum; b, the sartorius; c, the gracilis.

Muscles From the Femoral Region of the Horse

The diaphragm, and superficial muscles of the internal femoral region-viewed from below. A, the diaphragm;…

The neck muscles of a horse-lateral view. Labels: a, oblique capitis posticus; b, obliquus capitis anticus; c, complexus minor; d, rectus capitis posticus major; e, rectus capitis posticus minor.

Neck Muscles of a Horse

The neck muscles of a horse-lateral view. Labels: a, oblique capitis posticus; b, obliquus capitis anticus;…

The muscles of the thigh and haunch- left side; the external fascia being removed. Labels: a, tensor fasciae latae; b, gluteus externus; c, gluteus maximus; d, triceps abductor femoris; e, biceps rotator tibialis; f, part of adductor magnus.

Thigh and Haunch Muscles of a Horse

The muscles of the thigh and haunch- left side; the external fascia being removed. Labels: a, tensor…

Muscles of the external ear- posterior view. Labels: a, inferior and b, superior layer of the scuto-auricularis internus; c, attollens posticus; d, retrahens externus; e, retrahens medius; f, retrahens internus; g, mastoido-auricularis.

Muscles of the External Ear of a Horse

Muscles of the external ear- posterior view. Labels: a, inferior and b, superior layer of the scuto-auricularis…

The deep muscles of the horse. Labels: 1, temporalis; 1', stylo-maxillaris; 2, rectus capitis anticus major; 3, sterno-thyro-hyoideus; 4, sterno-maxillaris; 5, trachea; 6, scalenus; 7, splenius; 8, funicular part of ligamentum nuchae; 9, rhomboideus longus; 10, cervical serratus magnus; 15, costal serratus magnus; 11, cartilage of prolongation; 12, rhomboideus brevis; 13, transversalis costarum; 14, longissimus dorsi; 15, serratus magnus; 16, external intercostarum; 17, internal intercostals; 18, rectus abdominis; 19, pexctoralis magnus; 20, postea-spinatus minor; 21, flexor brachii; 22, humeralis obliquus; 22', capus parvum (of treceps extensor brachii); 23, extensor suffraginis; 24, extensormetacarpimagnusdivided; 25, extensor metacarpo obliquus; 25', tendon; 26, 28, flexor pedis perfoans and perforatus; 29, obliquus abdominis internus; 30, gluteus maximus; 31, erector coccygis; 32, curvator coccygia; 33, depressor coccygis; 34, rectus femoris; 35, vastus externus; 36, part covered by triceps abductor; 37, biceps rotator tibialis; 38, gastrocnemius; 39, plantaris; 40, flexor pedis perforans; 41, peroneus; 42, flexor metatarsi; 43, extensor pedis. (cut across)

Neck Muscles of the Horse

The deep muscles of the horse. Labels: 1, temporalis; 1', stylo-maxillaris; 2, rectus capitis anticus…

The superficial muscles of the horse with the panniculus and tunica abdominalis removed. Labels: 1, abducens; 2, retrahentes muscles; 2' attollens maximus; 2", attollens anticus; 3, temporalis; 4, nasalis longus; 5, orbicularis palpebrarum; 6, levator labii superioris alaeque nasi; 7, dilatator naris lateralis; 8, orbicularis oris; 9, zygomaticus; 9', buccinator; 10, depressor labii inferioris; 11, masseter; 12, levator humeri; 13, trapezius cervicalis; 14, trapezius dorsalis; 15, latissimus dorsi; 18, pextoralis parvus; 19, pectoralis magnus; 20, sterno-maxillaris; 23, subscapulo-hyoideus; 24, antea-spinatus; 25, teres externus; 26, postea-spinatus; 30, caput medium; 31, caput magnum; 33, extemsor metacarpi magnus; 34, humeralis obliquus; 35, extensor peis; 36, flexor metacarpi externus and medius; 37, flexor metacarpi internus; 46, cervical serratus magnus; 47, dorsal serratus magnus; 48, rhomboideus longus; 49, superficialis costarum; 50, splenius; 52, intercostales; 54, tensor fasciae latae; 55, triceps abductor femoris; 56, gluteus externus; 61, biceps rotator tibialis; 62, rectus femoris; 63, vastus externus; 65, gastrocnemius; 68, flexor pedis perforans; 69, peroneous; 70, extensor pedis; 71, flexor metatarsi; 72, flexor pedis accessorius; 74, obliquus abdominis externus.

Superficial Muscles of the Horse

The superficial muscles of the horse with the panniculus and tunica abdominalis removed. Labels: 1,…

Right infero-lateral view of the muscles of the maxillary space, the ramus and hyoid cornu are cut away. Labels: a, lingualis; b, hyo-glossus longus; c, ho-glossus brevis; d, genio-hyo-glossus; e, genio-hyoideus; f, stylo-hyoideus; g, hyoideus magnus; h, levator palati; i, tensor palati; k, pharyngostaphylinus; l, pterygo-pharyngeus; m, kerato-pharyngeus; n, hyo-pharyngeus; o, thyro-pharyngeus; p, crico-pharyngeus; q, esophagus.

Muscles of the Maxillary Space of a Horse

Right infero-lateral view of the muscles of the maxillary space, the ramus and hyoid cornu are cut away.…

The superficial muscles in a horse.

Horse Muscles

The superficial muscles in a horse.

Muscles of the anterior limb-external view. Labels: a, antea-spinatus; b, postea-spinatus; c, teres externus; d, caput magnum; e, caput medium; f, flexor brachii; g, extensor metacarpi magnus; h, extensor metacarpi obliquus; i, flexor metacarpi externus; k, extensor pedis; k', its tendon; k", fibrous band from the suspensory ligament; l, extensor suffraginis; l', its tendon.

Horse Leg Muscles

Muscles of the anterior limb-external view. Labels: a, antea-spinatus; b, postea-spinatus; c, teres…

Muscles of the anterior limb-internal view. Labels: a, subscapularis; b, teres internus; c, coracohumeralis; d, scapulo-ulnaris; e, flexor metacarpi internus; f, flexor metacarpi medius; g, caput parvum.

Horse Leg Muscles

Muscles of the anterior limb-internal view. Labels: a, subscapularis; b, teres internus; c, coracohumeralis;…

External view of the muscles of the anterior limb-showing the deeper ones of the upper region. Labels: a, posteaspinatus minor; b, deep portion of the postea-spinatus; c, flexor brachii divided and the upper part raised; c', its tendon, which fits the cicipital groove; d, humeralis obliquus; e, anconeus; f, extensor pedis; g, Thiernesse's muscles; h, Phillips' muscle; h', its tendon.

Horse Leg Muscles

External view of the muscles of the anterior limb-showing the deeper ones of the upper region. Labels:…

Internal view of the deep muscles of the anterior limb. Labels: a, caput parvum of triceps extensor brachii; b, flexor pedis perforatus; b' its tendon; b", slips to the phalanges; c, flexor pedis perforans; c', radialis accesorius; c', ulnaris accesorius; c"', inferior check ligament; d, perforans tendon leaving the sheath of perforatus tendon.

Horse Leg Muscles

Internal view of the deep muscles of the anterior limb. Labels: a, caput parvum of triceps extensor…

Anterior tibial group of muscles of the right limb, seen from before and the outside. Labels: a, flexor metatarsi; a', tendonto the cuboid; and a", temdom to the metatarsus, from its funicular portion; a"', tendon of its fleshy portion, sending a straight slip to the metatarsus, and an oblique one to the cuneiform bone; b, extensor pedis; b', its tendon; c, peroneus; c', point where its tendon joins that of the extensor pedis; d, extensor pedis brevis; e, superior, and f, inferior thick portions of the annular ligament.

Horse Leg Muscles

Anterior tibial group of muscles of the right limb, seen from before and the outside. Labels: a, flexor…

Muscular fibers from the heart of a horse.

Muscular Fibers from the Heart of a Horse

Muscular fibers from the heart of a horse.

"Diagram showing the muscular system. M, ventral, N, dorsal valve; l, loop; V, mouth; Z, extremity of intestine; a, adductor; c, divaricators; c', accessory divaricators; b, ventral adjustors; c, peduncular muscles; b''', dorsal adjustors; P, peduncle." — Encyclopedia Britanica, 1893

Muscular System

"Diagram showing the muscular system. M, ventral, N, dorsal valve; l, loop; V, mouth; Z, extremity of…