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the hollow on the dorsal aspect of the scapula inferior to the spine, giving attachment chiefly to the infraspinatus muscle.
Synonym(s): fossa infraspinata [TA]
in·fra·spi·nous fos·sa(in'fră-spī'nŭs fos'ă) [TA]
The concavity on the dorsal aspect of the scapula below its spine.
On the dorsal (posterior) surface of the scapula, the broad, shallow, triangular-shaped depression filling the area below the scapular spine. The infraspinatus muscle is attached to and covers most of this fossa.
See also: fossa