axillary arch


Also found in: Dictionary, Thesaurus, Legal, Financial, Acronyms, Encyclopedia.

pec·to·ro·dor·salis mus·cle

an anomalous muscle or tendinous slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Thought to be a vestige of the panniculus carnosus muscle of lower mammals.

axillary arch

An anomalous muscular slip across the axilla, between the pectoralis major and latissimus dorsi muscles.
See also: arch
References in periodicals archive ?
Aziz's report of bilateral axillary arch muscle in a case of trisomy 13 and aneuploidy (trisomy 18), the variant AAM, was found along with other supernumerary muscles, a regular feature found in monkeys and great apes.
The axillary arch muscle (Langer's muscle): clinical importance.
The morphology and clinical importance of the axillary arch.
This report deals with dissecting the axillary region of a 41 year-old male cadaver in which we observed a muscular axillary arch was innervated by a single nerve branch of pectoral loop.