peritenon

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

peritenon

An obsolete term that formerly referred to peritendinous fibroconnective tissue.

peritenon

(pĕr″ĭ-tē′nŏn) [″ + tenon, tendon] The sheath of a tendon.