Volume 1

The dissector's guide : being a manual for the use of students / D.J. Cunningham.

  • Cunningham, D. J. (Daniel John), 1850-1909.
Date:
1879-1887
Catalogue details

Licence: Public Domain Mark

Credit: The dissector's guide : being a manual for the use of students / D.J. Cunningham. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    the deep surface of the muscle. Observe how the density of the membrane diminishes almost imme- diately below the subclavius, and this so abruptly that a crescentic margin is formed. Its lower connections Fig. 2. Diagram to show the upper and lower attachments of the costo-coracoid membrane Section through the clavicle, &c., in the line of the axillary' artery. c, Clavicle. s.c, Subclavius muscle. r. First rib. , cc.77t, Costo-coracoid membrane. s.a., Subclavian artery. s.. Sheath of pectoralis minor. a.a., Axillarj' arter3^ /.w., Pectoralis minor muscle. are somewhat indefinite and difficult to establish with precision. In a good subject, however, it will be seen to join the sheath of the axillary vessels, and also to give a process of fascia to the sheath of the pectoralis minor. Four structures pierce the costo-coracoid membrane and these must be noted. They are: (i.) The thoracic axis artery—breaking up into (a) pectoral thoracic, {b) clavicular thoracic, (c) acromial thoracic, {d) humeral thoracic branches ; (2.) The thoracic axis vein; (3.) The cephalic vein; and lastly (4.) The external anterior thoracic nerve. Now remove the costo-coracoid membrane. The