External layer
Lamina externa
- Related terms: External layer of sheat of recti abdominis
Definition
The external layer corresponds to the most superficial aponeurotic covering that covers the ventral surface of the rectus abdominis muscle. It consists of the aponeurosis of the external oblique muscle of the abdomen and, in certain species and regions, may also receive contributions from the internal oblique muscle of the abdomen.
References
Barone R. Anatomie comparée des mammifères domestiques, Tome 2, Arthrologie et myologie, 4th edition, Vigot, Paris, 2017.
International Committee on Veterinary Gross Anatomical Nomenclature. 2017. Nomina Anatomica Veterinaria. Sixth Edition. Ghent (Belgium).
