The dissector's manual / by J. H. Green.

  • Green, Joseph Henry, 1791-1863.
Date:
1820
Catalogue details

Licence: Public Domain Mark

Credit: The dissector's manual / by J. H. Green. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

    68/476 (page 4)
    I CHAPTER II. Of the Muscles of the Upper Extremity. Ihe muscles of the upper extremity are distributed into regions, on the Trunk, Arm, Fore-Arm, and Hand. § 1. ON THE TRUNK. \ a. Anterior Thoracic, containing the 1. Pectoralis Major. Covering the fore and upper part of the chest. Broad : irregularly triangular. Origin. By short tendinous fibres from the sternal half of the clavicle, commonly called its clavicular portion; from nearly the whole length of the upper and middle bones of the sternum, called its sternal portion; and from the cartilages of the fifth and sixth ribs. One slip is frequently joined with the external oblique muscle of the abdomen. Between, the sternal and cla- vicular portions, there is frequently a distinct separation. The fibres extend and converge towards the axilla, opposite to which they have a folded appearance. Insertion5. By a strong tendon, which crosses the tendon of the long head of the biceps muscle, into the outer ridge of the groove, for lodging that portion of the biceps. 2. Pectoralis Minor. Is displayed by dissect- ing back the former muscle. It is less than that muscle, and of a triangular figure. Origin. Tendinous and fleshy, by three, or sometimes four, heads from the third, fourth, and fifth ribs, (more rarely from the sixth) near their cartilages. The fibres pass obliquely out- wards, and are collected into a short tendon. Insertion, Into the point of the coracoid process of the scapula.