. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. 36 CLAVICLE. The anterior face is a concavity called or venter, divided by ridges, and giving origin to the subscapular muscle. The posterior face is the dorsum, divided by the spine into two fossse ,• the fossa supra-spinata, containing the supra-spinatus muscle, and the fossa infra-spinata for the infra-spinatus muscle. The spine is a rough ridge running obliquely across the dorsum, and terminating in the ac
. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. 36 CLAVICLE. The anterior face is a concavity called or venter, divided by ridges, and giving origin to the subscapular muscle. The posterior face is the dorsum, divided by the spine into two fossse ,• the fossa supra-spinata, containing the supra-spinatus muscle, and the fossa infra-spinata for the infra-spinatus muscle. The spine is a rough ridge running obliquely across the dorsum, and terminating in the acromion process, which is flat and triangular, has a small articular mark in front for the clavicle. The edge of the spine gives origin to the deltoid, and insertion to the trapezius muscles ; near the base of the scapula the spine has a small triangular surface/* over which plays the trapezius tendon. Internal edge or base.—Is the longest, and nearly parallel^ with the vertebral column, has an external lip for the insertion of the rhom- boid muscles, and an internal one for the serratus anticus. External edge.—Is thick,^ and contains a fossa giving origin to the teres minor muscle. At the upper part of this fossa is the origin^ of the long head of the triceps. Superior edge.—Is thin and small,^ has a notch called coracoid,* which is converted into a foramen Fig. 20. by a ligament, and transmits the supra-scapular artery and nerve. Near this notch arises the omo- hyoid muscle. Superior angle.—Almost a right angle, and has the levator anguli muscle inserted into it. Inferior angle.—Most pointed,^ and gives origin by its posterior surface to the teres major muscle and is connected with the latissimus dorsi. External angle.— Presents a large articular cavity^ called glenoid upon a narrow neck. This cavity is oval and shallow, and at its summit is a mark showing the origin of the long head of the biceps muscle. Coracoid process.—This projects forwards and outwards fr
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