A frontal view of the chest muscles. 1, sterno-hyoid; 2, sterno-mastoid; 3, sterno-thyroid; 4, sterno-mastoid; 5, trapezius; 6, clavicle; 7, origin pectoralis major; 8, deltoid; 9, lower edge pectoralis major; 10, middle pectoralis major; 11, fibres external oblique; 12, biceps; 13, teres major; 14, serratus major anticus; 15, external oblique interlocking with serratus major.

Chest Muscles

A frontal view of the chest muscles. 1, sterno-hyoid; 2, sterno-mastoid; 3, sterno-thyroid; 4, sterno-mastoid;…

Muscles of Face, Head, and Neck. Labels: 1, sterno-cleido-mastoid; 10, temporal; 11, masseter; 13, 13, occipito-frontalis.

Muscles of Face, Head, and Neck

Muscles of Face, Head, and Neck. Labels: 1, sterno-cleido-mastoid; 10, temporal; 11, masseter; 13, 13,…

"(1) The facial nerve at its emergence from stylo-mastoid foramen; (2) temporal branches communicating with (3) the frontal branches of the fifth or trifacial nerve; (4) infraorbital branches communicating with (5) the infra-orbital branches of the fifth nerve; (6) maxillary branches communicating with (7) the mental branch of the fifth nerve; (8) cervico-facial branches; (9) the spinal accessory nerve giving off a branch to the trapezius muscles." — Winston's Encyclopedia, 1919

Facial Nerve

"(1) The facial nerve at its emergence from stylo-mastoid foramen; (2) temporal branches communicating…

Muscles of the neck.

Neck Muscles

Muscles of the neck.

Anterior view of the muscles of the neck.

Anterior View of the Neck Muscles

Anterior view of the muscles of the neck.

"Upper aspect of the primordial cranium, with the membrane-bones removed. An, angular; ao, anteorbital; Ar, articulary; B, basal; D, dentary; E, ethmoid; F, frontal; Ma, mastoid; Mp, metapterygold; Mx, maxillary; N, nasal; O, operculum; Oc, occipital; Pa, parietal; Pl, palatine; Pmx, premaxillary; po, postorbital; Prf, prefrontal; Pt, post-temporals; Ptf, postfrontal; Ptr, pterygold; Q, quadrate; S, suspensorium; So, suboperculum; Sp, sphenold; Spl, splenial; St, supratemporals; T, tympanic lamina; Tu, turbinal; v, vomer; x x, small ossicles; x' x', spiraculars." — Encyclopedia Britannica, 1893

Polypterus Skull

"Upper aspect of the primordial cranium, with the membrane-bones removed. An, angular; ao, anteorbital;…

"Lower aspect of the primordial cranium, with the membrane-bones removed. An, angular; ao, anteorbital; Ar, articulary; B, basal; D, dentary; E, ethmoid; F, frontal; Ma, mastoid; Mp, metapterygold; Mx, maxillary; N, nasal; O, operculum; Oc, occipital; Pa, parietal; Pl, palatine; Pmx, premaxillary; po, postorbital; Prf, prefrontal; Pt, post-temporals; Ptf, postfrontal; Ptr, pterygold; Q, quadrate; S, suspensorium; So, suboperculum; Sp, sphenold; Spl, splenial; St, supratemporals; T, tympanic lamina; Tu, turbinal; v, vomer; x x, small ossicles; x' x', spiraculars." — Encyclopedia Britannica, 1893

Polypterus Skull

"Lower aspect of the primordial cranium, with the membrane-bones removed. An, angular; ao, anteorbital;…

"Side view, with the membrane-bones. An, angular; ao, anteorbital; Ar, articulary; B, basal; D, dentary; E, ethmoid; F, frontal; Ma, mastoid; Mp, metapterygold; Mx, maxillary; N, nasal; O, operculum; Oc, occipital; Pa, parietal; Pl, palatine; Pmx, premaxillary; po, postorbital; Prf, prefrontal; Pt, post-temporals; Ptf, postfrontal; Ptr, pterygold; Q, quadrate; S, suspensorium; So, suboperculum; Sp, sphenold; Spl, splenial; St, supratemporals; T, tympanic lamina; Tu, turbinal; v, vomer; x x, small ossicles; x' x', spiraculars." — Encyclopedia Britannica, 1893

Polypterus Skull

"Side view, with the membrane-bones. An, angular; ao, anteorbital; Ar, articulary; B, basal; D, dentary;…

"Lower aspect of the skull, part of the bones being removed on the side. An, angular; ao, anteorbital; Ar, articulary; B, basal; D, dentary; E, ethmoid; F, frontal; Ma, mastoid; Mp, metapterygold; Mx, maxillary; N, nasal; O, operculum; Oc, occipital; Pa, parietal; Pl, palatine; Pmx, premaxillary; po, postorbital; Prf, prefrontal; Pt, post-temporals; Ptf, postfrontal; Ptr, pterygold; Q, quadrate; S, suspensorium; So, suboperculum; Sp, sphenold; Spl, splenial; St, supratemporals; T, tympanic lamina; Tu, turbinal; v, vomer; x x, small ossicles; x' x', spiraculars." — Encyclopedia Britannica, 1893

Polypterus Skull

"Lower aspect of the skull, part of the bones being removed on the side. An, angular; ao, anteorbital;…

Bones situated at the sides and base of the skull. Each consists of five parts: the squama, the petrous, mastoid, and tympanic parts, and the styloid process.

Temporal Bone

Bones situated at the sides and base of the skull. Each consists of five parts: the squama, the petrous,…

Superior muscles of the upper front of the trunk. Labels: 1, sterno-hyoid; 2, sterno-cleido-mastoid; 3, sterno-thyroid; 4, sterno-cleido-mastoid; 5, edge of the trapezius; 6, clavicle; 7, clavicular origin of the pectoralis major; 8, deltoid; 9, fold of the pectoralis major of the anterior edge of the axilla; 10, middle of the pectoralis major; 11, crossing and interlocking of the fibers of the external oblique of one side with those of the other; 12, biceps flexor cubiti; 13, teres major; 14, serratus major anticus; 15, superior heads of external oblique interlocking with serratus major.

Muscles of the Upper Trunk

Superior muscles of the upper front of the trunk. Labels: 1, sterno-hyoid; 2, sterno-cleido-mastoid;…