Transverse retinaculum
Retinaculum transversum
Definition
In carnivores, the biceps brachii muscle invaginates the capsule of the shoulder joint cranially, thus forming a synovial sheaths in the region of the intertubercular groove. A transverse band (transverse retinaculum of humerus) between the lesser and the greater humeral tubercle holds the muscle in place.
References
Text by Antoine Micheau, MD - Copyright IMAIOS
Veterinary Anatomy of Domestic Mammals: Textbook and Colour Atlas, Sixth Edition - Horst Erich König, Hans-Georg Liebich - Schattauer - ISBN-13: 978-3794528332