aponeurosis of origin

ap·o·neu·ro·sis of or·i·gin

a tendinous expansion serving as the proximal attachment (origin) of a broad muscle.
References in periodicals archive ?
We numbered aponeurosis of origin by arabic numerals and insertions by roman numerals (Hofling and Gasc, 1984).
Possibly this occurred due to sharing aponeurosis of origin, which led Orenstein and Barlow (1981) to designate this muscle in a different manner.