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Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System, Alphabetical Listing of Muscles, Pectoralis Major and Pectoralis Minor

Note the Absence of the Manubrial, Sternal, and Costal portions of Pectoralis Major (in the illustrations on the right and left sides of this figure)

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed


Image of three men, two with absentmanubrial, sternal and costal portions of pectoralis major

(the illustration of the individual in the center has a congenital absence of the penis).

source unknown

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