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Fig. 8 | BMC Veterinary Research

Fig. 8

From: Intraspecific anatomical variations of the extensor tendons of the carpus and digits with a reexamination of their insertion sites in the domestic dog (Canis lupus familiaris): a cadaveric study

Fig. 8

Medial views of the carpal region of the dog showing the insertion tendon of the abductor pollicis longus (APL) in relation to the flexor retinaculum. a Dotted circle, sesamoid bone (S); white arrowheads, superficial part of the flexor retinaculum; FDS, flexor digitorum superficialis; APB, abductor pollicis brevis; I, first metacarpal; mcf, reflected metacarpal fascia. the same limb after the transection of the superficial part of the flexor retinaculum. double asterisks, a tendinous like band deep to the superficial part of the flexor retinaculum extending from the sesamoid bone to the peritendineum (black arrowheads) of the FDS. b Other dissection of the carpal region for more emphasis. (↓), proximal band of the superficial part of the flexor retinaculum; (↑), the distal end of the antebrachial fascia. c Higher magnification of medial view of the carpal region under the stereomicroscope. Note some tendinous fibers of the APL (dotted arrow) extending proximal to the "S" to the FDS. (c') the tendon of APL is cut and reflected distad to show the precise site of the "S". Scale bar: 5 mm

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BMC Veterinary Research

ISSN: 1746-6148

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