Uberon definition : The infraspinatus muscle is a thick triangular muscle, which occupies the chief part
of the infraspinatous fossa. The infraspinatus is a muscle of the rotator cuff. [WP,unvetted].;
Uberon synonym : infraspinatus;
Uberon related term : infrascapularis;
Uberon Taxon note : The pectoral muscles - the pectoralis major and pectoralis minor - evolved from a
primitive muscle sheet that connected the coracoid to the humerus. In late reptilians
and early mammals, this muscle structure was displaced dorsally; while most of its
components evolved into the pectoralis major, some fibers eventually attached to the
scapula and evolved into the supraspinatus, the infraspinatus, and parts of the subscapularis.;
The infraspinatus muscle is a thick triangular muscle, which occupies the chief part
of the infraspinatous fossa. The infraspinatus is a muscle of the rotator cuff. [WP,unvetted].