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Fig. 2 | BMC Veterinary Research

Fig. 2

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. 2

The split tendon of the ECRL (sECRL) found in this study. a A left manus (No.3) with sECRL which abaxial tendinous slip enclosing in a common tendon sheath (arrowheads) with the ECRB tendon to insert on the base of the third (III) metacarpal bone; (a') dissection of the same limb (a) by following the tendinous slips proximally; ER, extensor retinaculum. b A tendinous slip (ts) from the ECRL of the left manus (No. 4) to the base of the first (I) metacarpal bone. c A right manus (No. 5) with two extra tendinous slips (ts) from the ECRL, one short inserting on the base of the second (II) metacarpal bone, and one long extending more distally to contribute to the EDC to digit II (EDC II); the tendon of ED I et II to digit II (ED II) having a lateral deviation to merge with the tendinous slip (double asterisks) arising from the EDC II to digit III; black arrowheads, a triangular ligamentous structure arising from the ECRB tendon and spanning to the fourth (IV) metacarpal bone. d Dissection of the ECR of the same limb (c) with two completely separated bellies (note the arrowheads); BR, m. brachioradialis. Scale bar: 20 mm

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BMC Veterinary Research

ISSN: 1746-6148

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