tendinous sheath of extensor carpi ulnaris muscle

tendinous sheath of ex·ten·sor car·pi ul·na·ris mus·cle

[TA]

the dorsal carpal synovial tendon sheath surrounding the tendon of the extensor carpi ulnaris in its course deep to the extensor retinaculum.

Synonym(s): vagina tendinis musculi extensoris carpi ulnaris [TA], peritenon

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