ClipArt ETC
"Skeleton of crocodile. C, causal region; D, thoracic region of spinal column; F, fibula; Fe, femur; H, humerus; I, ischium; L, lumbar region; R, radius; Ri, ribs; S, sacrum; Sc, scapula; Sta, abdominal ribs; T, tibia; U, ulna." -Parker, 1900

Crocodile Skeleton

"Skeleton of crocodile. C, causal region; D, thoracic region of spinal column; F, fibula; Fe, femur;…

"Cistudo lutaria. Skeleton seen from below; the plastron has been removed and is represented on one side. C, costal plate; Co, coracoid; e, entoplastron; Ep, epiplastron; F, fibula; Fe, femur; H, humerus; Il, ilium; Is, ischium; M, marginal plates; Nu, nuchal plate; Pb, pubis; Pro, pro-coracoid; Py, pygal plates; R, radius; Sc, scapula; T, tibia; U, ulna." -Parker, 1900

Marsh Turtle Skeleton

"Cistudo lutaria. Skeleton seen from below; the plastron has been removed and is represented on one…

"Chelone midas. Transverse section of skeleton. C, costal plate; C', centrum; M, marginal plate; P, lateral element of plastron; R, rib; V, expanded neural plate." -Parker, 1900

Green Turtle Skeleton

"Chelone midas. Transverse section of skeleton. C, costal plate; C', centrum; M, marginal plate; P,…

"A, lateral view of skull of rattlesnake (Crotalus). B. O, basi-occipital; B. S, basi-sphenoid; E. O, exoccipital; F. O, fossa ovalis; La, conjoined lacrymal and pre-fontal; L. f, articulation between lacrymal and frontal; Mn, mandible; Mx, maxilla; Na, nasal; Pl, palatine; Pmx, pre-maxilla; P. Sph, pre-sphenoid; Pt, pterygoid; Qu, quadrate; Sq, squamosal; II. V, foramina of exit of the second and fifth cranial nerves. B, transverse section at point lettered B in Fig. .A; T, trabeculae." -Parker, 1900

Rattlesnake Skull

"A, lateral view of skull of rattlesnake (Crotalus). B. O, basi-occipital; B. S, basi-sphenoid; E. O,…

"Columba livia. Sacrum of a nestling (about fourteen days old), ventral aspect. c1, centrum of first sacral vertebra; c1, centrum of fifth caudal; c. r, first sacral rib; l1, centrum of first lumbar; l3, of third lumbar; s1, of fourth lumbar; s3, of sixth lumbar; tr. p, transverse process of first lumbar; tr. p', of fifth lumbar; tr. p'', of first sacral." -Parker, 1900

Rock Pigeon Sacrum

"Columba livia. Sacrum of a nestling (about fourteen days old), ventral aspect. c1, centrum of first…

"Columba livia. Skull of young specimen. A, dorsal; B, ventral; C, left side. al. s, alisphenoid; au, angular; ar, articular; b. o, basi-occipital; d, dentary; e. o, ex-occipital; eu, aperture of Eustachian tube; f. m, foramen magnum; fr, frontal; i.o. s, inter-orbital septum; ju, jugal; lc, lachrymal; lb. s, lambdoidal suture; m. eth, mesethmoid; mx, maxilla; mx. p, maxillo-palatine process; na, na', na'', nasal; o. c, occipital condyle; or. fr, orbital plate of frontal; pa, parietal; pa. s, parasphenoid (rostrum); pl, palatine; p. mx, premaxilla; pt, pterygoid; qu, quadrate; s. an, supra-angular; s. o, supra-occipital; sq, squamosal; ty, tympanic cavity; IL-XII, foramina for cerebral nerves." -Parker, 1900

Rock Pigeon Skull

"Columba livia. Skull of young specimen. A, dorsal; B, ventral; C, left side. al. s, alisphenoid; au,…

"Columba livia. Left manus of a nestling. The cartilaginous parts are dotted. cp. 1, radiale; cp. 2, ulnare; mcp. 1, 2, 3, metacarpals; ph. 1, phalanx of first digit; ph. 2, ph. 2', phalanges of second digit; ph. 3, phalanx of third digit; ra, radius; ul, ulna." -Parker, 1900

Rock Pigeon Manus

"Columba livia. Left manus of a nestling. The cartilaginous parts are dotted. cp. 1, radiale; cp. 2,…

"Columba livia. Left innominate of a nestling. The cartilage is dotted. ac, acetabulum; a. tr, anti-trochanter; il, pre-acetabular; and il', post-acetabular portion of ilium; is, ischium; i s. f, ischiatic foramen; ob. f, obturator notch; pu, pubis." -Parker, 1900

Rock Pigeon Innominate

"Columba livia. Left innominate of a nestling. The cartilage is dotted. ac, acetabulum; a. tr, anti-trochanter;…

"Columba livia. Part of left foot of an unhatched embryo. The cartilage is dotted. mtl. 2, second; mtl. 3, third; and mtl. 4, fourth metatarsal; ti, tibia; tl. 1, proximal tarsal cartilage; tl. 2, distal tarsal cartilage." -Parker, 1900

Rock Pigeon Embryo Foot

"Columba livia. Part of left foot of an unhatched embryo. The cartilage is dotted. mtl. 2, second; mtl.…

"Lepus cuniculus. Shoulder-girdle with anterior end of sternum of young specimen. a, acromion; af, pre-scapular fossa; c, coracoid; cl, ossified clavicle; ma, meta-cromion; mss, meso-scapular segment; ost, pre-sternum; pc, pre-coracoid; pf, post-scapular fossa; sr, sternal ribs." -Parker, 1900

Rabbit Shoulder Girdle

"Lepus cuniculus. Shoulder-girdle with anterior end of sternum of young specimen. a, acromion; af, pre-scapular…

"Nearly perfect fossil skeleton of Archaegosaurus." -Taylor, 1904

Archegosaurus

"Nearly perfect fossil skeleton of Archaegosaurus." -Taylor, 1904

The skeleton of Ichthyosaurus.

Ichthyosaurus

The skeleton of Ichthyosaurus.

The skeleton of Plesiosaurus.

Plesiosaurus

The skeleton of Plesiosaurus.

The skull of the pterodactyle.

Pterodactyle Skull

The skull of the pterodactyle.

The wing skeleton of the pterodactyle.

Pterodactyle Wing

The wing skeleton of the pterodactyle.

The skeleton of a bat's wing.

Bat Wing

The skeleton of a bat's wing.

"Fossil skull of the mososaurus." -Taylor, 1904

Mososaurus Skull

"Fossil skull of the mososaurus." -Taylor, 1904

"The mammoth (Elephas primigenius)." -Taylor, 1904

Mammoth

"The mammoth (Elephas primigenius)." -Taylor, 1904

Bones of the hand.

Bones of the Hand

Bones of the hand.

Bones of the forearm.

Bones of the Forearm

Bones of the forearm.

Section through the bones and ligaments of the foot. The parts of the joints are well shown.

Bones and Ligaments of the Foot

Section through the bones and ligaments of the foot. The parts of the joints are well shown.

Bones of the head.

Bones of the Head

Bones of the head.

A bony structure located at the bottom of the spine. The human sacrum forms the back part of the pelvis, is roughly triangular in shape, consists of five united vertebrae, and from its solidity it is well adapted to serve as the keystone of the pelvic arch.

Pelvic Bone, Male

A bony structure located at the bottom of the spine. The human sacrum forms the back part of the pelvis,…

Chief veins and arteries of the body. Labels: a, place of the heart; the veins are in the back. On the right side of the picture the veins just under the skin are shown on the other side the deep vessels near the bones. b, vessels to the lungs.

Veins and Arteries of the Body

Chief veins and arteries of the body. Labels: a, place of the heart; the veins are in the back. On the…

The nasal cavity with openings of accessory sinuses. The sagittal section has been made a little to the right of the nasal septum sphenoidal and frontal septum. Portions have been removed from the turbinated bones in order to exhibit the orifices of the accessory cavities. The tongue has been almost completely removed to show the tonsils.

Nasal Cavity with Openings of Accessory Sinuses

The nasal cavity with openings of accessory sinuses. The sagittal section has been made a little to…

A diagram of the bones of the head. Label: 1, frontal lobe; 2, parietal bone; 3, temporal bone; 4, occipital bone; 5, nasal bone; 6, malar bone; 7, upper jaw; 8, os unguis; 9, lower jaw.

Bones of the Head

A diagram of the bones of the head. Label: 1, frontal lobe; 2, parietal bone; 3, temporal bone; 4, occipital…

The upper surface of the bones of the foot. Labels: 1, the surface of the astragulus or ankle bones, where it unites with the tibia. 2, The body of the astragulus. 3, Calcis or heel-bone. 4, The scaphoid. 5,6,7, The cuneiform. 8, The cuboid. 9,The metatarsal bones. 10,11, The phalanges of the great toe. 12, 13, 14, The phalanges of the other toes.

Bones of the Foot

The upper surface of the bones of the foot. Labels: 1, the surface of the astragulus or ankle bones,…

A diagram of the relative position of the bone, cartilage, and synovial membrane. Labels: 1,The extremities of two bones to form a joint. 2, The cartilage that covers the end of the bone. 3, The synovial membrane, which covers the cartilage of both bones and is then doubled back from one to the other, represented by the dotted lines.

Position of the Bone, Cartilage, and Synovial Membranes

A diagram of the relative position of the bone, cartilage, and synovial membrane. Labels: 1,The extremities…

A transverse section of the neck. The separate muscles as they are arranged in layers, with their investing fascia. The figures in white space represent fascia (sheath); other figures are muscles. Labels: 12, trachea; 13, esophagus, 14, carotid artery and jugular vein; 28, one of the bones of the spinal column.

The Transverse Section of the Neck

A transverse section of the neck. The separate muscles as they are arranged in layers, with their investing…

The metacarpal and phalangeal bones of the fingers, with their tendons and ligaments. Labels: 1, metacarpal bone, 2. tendon of the superficial flexor. 3, Tendon of the deep flexor passing through a perforation (*) of the superficial flexor.

Metacarpal and Phalangeal Bones of the Fingers

The metacarpal and phalangeal bones of the fingers, with their tendons and ligaments. Labels: 1, metacarpal…

A view of all the parts of the ear, Labels: 1, The tube that leads to the internal ear. 2, The membrana tympani. 3, 4, 5, The bones of the ear. 7, The central part of the labyrinth, names the vestibule. 8, 9, 10, The semicircular canals. 11, 12, The channels of the cochlea. 13, The auditory nerve. 14, The channel from the middle ear to the throat (Eustachian tube). 15, A nerve. 16, A process. 17, The seventh pair of nerves (facial). 18, A process of the temporal bone.

Parts of the Ear

A view of all the parts of the ear, Labels: 1, The tube that leads to the internal ear. 2, The membrana…

The olfactory system. Labels: a, b, c, d, interior of the nose, which is lined by a mucous membrane; n, the nose; e, the wing of the nose; q, the nose bones; o, the upper lip; g, section of the upper jawbone; h, the upper part of the mouth, or hard palate; m, frontal bone of the skull; k, the ganglion or bulb of the olfactory nerve in the skull, from which are seen the branches of the nerve passing in all direction.

Olfactory System

The olfactory system. Labels: a, b, c, d, interior of the nose, which is lined by a mucous membrane;…

A diagram of the human skeleton.

The Human Skeleton

A diagram of the human skeleton.

Transverse section through the tibia of a fetal kitten. Labels: P, Periosteum. O, Osteogenetic layer of periosteum showing the osteoblasts newly formed bones. B, the periosteal bone deposited in successive layers beneath the periosteum and ensheathing E, the spongy endochondral bone; represented as more deeply shaded. Within the trabeculae of endochondral spongy bone are seen the medulla, with V, veins. In the lower half of the figure the endochondral spongy bone has been completely absorbed.

Formation of Compact Bone in a Kitten

Transverse section through the tibia of a fetal kitten. Labels: P, Periosteum. O, Osteogenetic layer…

Nerves of the outer walls of the nasal fossae. 1, network of the branches of the olfactory nerve, descending upon the region of the superior and middle turbinated region of the superior and middle turbinated bones; 2, external twig of the ethmoidal branch of the nasal nerves; 3, spheno-palatine ganglion; 4, ramification of the anterior palatine nerves; 5, posterior, and 6, middle division of the palatine nerves; 7, branch to the region of the superior and middle turbinated bones; 9, naso-palatine branch to the septum cut short.

Nerves of the Nasal Fossae

Nerves of the outer walls of the nasal fossae. 1, network of the branches of the olfactory nerve, descending…

Interior view of the tympanum, with membrana tympani and bones in natural position. 1, Membrana tympani; 2, Eustachian tube; 3, tensor tympani muscle; 4, lig. mallei super; 6, corda-tympani nerve; a, b, and c, sinuses about ossicula.

Tympanum

Interior view of the tympanum, with membrana tympani and bones in natural position. 1, Membrana tympani;…

Illustrating the relationship of the lateral incisor tooth to the palatal cleft. A, Normal hard palate. The premaxilla is stippled; the lateral incisor occurs in the suture between it and the maxilla. B, Double cleft palate, the lateral incisor being situated on the premaxilla to the inner side of the cleft. The septum of the nose is exposed in the cleft between the maxillary bones. C, Double cleft palate, the lateral incisor being situated on the maxilla to the outer side of the cleft.

Incisor Relation to Palatal Cleft

Illustrating the relationship of the lateral incisor tooth to the palatal cleft. A, Normal hard palate.…

Oblique anteroposterior section of foot, to show the synovial cavities of the tarsus. Labels: 1, tibia; 2, fibula; 3, astragalus; 4, os calcis; 5, external lateral ligament; 6, internal lateral ligament; 7, interosseous ligament between astragalus and os calcis; 8, head of astragalus; 9, scaphoid; 10, 11, and 12, the three cuneiform bones; 13, cuboid.

Oblique Anteroposterior Section of

Oblique anteroposterior section of foot, to show the synovial cavities of the tarsus. Labels: 1, tibia;…

Lifrac's operation consists in amputation through the tarsometatarsal line of joints. Labels: a, b, c, inner, middle and outer cuneiform bones; d, cuboid; e, f, the metatarsal bones; g, tibialis anticus; h, extensor proprius hallucis; i, extensor communis digitorum; j, extensor brevis digitorum; k, extensor tendons; l, dorsalis pedis artery.

Lisfranc's Amputation at the Tarsometatarsal Joint

Lifrac's operation consists in amputation through the tarsometatarsal line of joints. Labels: a, b,…

"The foot. a, calcaneum; b, astragalus; c, cuboid; d, metatarsal, of which there are five; e, phalanges, of which there are five; f, external cuneiform; g, middle cuneiform; h, scaphoid." -Foster, 1921

Foot Bones

"The foot. a, calcaneum; b, astragalus; c, cuboid; d, metatarsal, of which there are five; e, phalanges,…

"The skull in reptiles is flat, and the cerebral cavity is not filled with brains. There are no ribs."

Skeleton of a Frog

"The skull in reptiles is flat, and the cerebral cavity is not filled with brains. There are no ribs."

"The external air penetrates into every part of their body by the respiratory tubes, which ramify the whole cellular tissue. Wings alone would fail to support the bird."

Skeleton of the Swan

"The external air penetrates into every part of their body by the respiratory tubes, which ramify the…

The trunk showing rib, iliac crest, and pubis.

Side View of the Bones of the Trunk

The trunk showing rib, iliac crest, and pubis.

Back view of the trunk.

Back View of the Bones of the Trunk

Back view of the trunk.

Bones of the knee also showing muscle. Labels: s, insertion of the sartorius; g, insertion of the gracilis.

Bones of the Knee

Bones of the knee also showing muscle. Labels: s, insertion of the sartorius; g, insertion of the gracilis.

Front view of the bones of the forearm

Front View of the Bones of the Forearm

Front view of the bones of the forearm

Front view of the bones of the forearm

Back View of the Bones of the Forearm

Front view of the bones of the forearm

Diagram showing the position of the pelvic and thigh bones in back view in the male and female.

Position of the Pelvic and Thigh Bones in the Male and Female

Diagram showing the position of the pelvic and thigh bones in back view in the male and female.

The two palate bones in their natural position.

Palate Bones

The two palate bones in their natural position.

The bones of the right forearm, dorsal view.

Dorsal View of the Bones of the Forearm

The bones of the right forearm, dorsal view.

The bones of the right forearm, ventral view.

Ventral View of the Bones of the Forearm

The bones of the right forearm, ventral view.

The bones of the right hand.

Bones of the Hand

The bones of the right hand.

The right tibia and fibula in their normal relation, rear view.

Bones of the Lower Leg

The right tibia and fibula in their normal relation, rear view.

The bones of the right foot, viewed from above.

Bones of the Foot

The bones of the right foot, viewed from above.

Chains of small bones and their ligaments, seen from the front in a vertical, transverse section of the tympanum.

Small Bones and Ligaments of the Ear

Chains of small bones and their ligaments, seen from the front in a vertical, transverse section of…

The lateral wall of the left nasal cavity. The greater part of the middle turbinated bone has been excised to expose the structures and orifices situated beneath it. A part of the anterior portion of the inferior turbinated bone had been removed. The original borders of the turbinated bones are indicated by dotted lines. The superior turbinated bone is intact. The orifices of the left sphenoidal and frontal sinuses are indicated by arrows.

Nasal Cavity

The lateral wall of the left nasal cavity. The greater part of the middle turbinated bone has been excised…

Section through the wrist joint and carpal bones.

Cross Section Through the Wrist Joint and Carpal Bones

Section through the wrist joint and carpal bones.

Section through the middle of the right metacarpal bones.

Cross Section Through Middle Metacarpal Bones of the Hand

Section through the middle of the right metacarpal bones.

Section through the distal end of the right metacarpal bones.

Cross Section Through Distal End of the Metacarpal Bones of the Hand

Section through the distal end of the right metacarpal bones.

Bones of right foot, dorsal aspect. A, outer series; B; inner series.

Bones of the Foot

Bones of right foot, dorsal aspect. A, outer series; B; inner series.