extensor digital expansion

(redirected from dorsal hood)

ex·ten·sor dig·i·tal ex·pan·sion

a triangular tendinous aponeurosis including the tendon of the extensor digitorum centrally, interosseus tendons on each side, and a lumbrical tendon laterally. It covers the dorsal aspect of the metacarpophalangeal joint and the proximal phalanx.
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References in periodicals archive ?
It is a modification of the Hodgson III and Asopa procedure and this procedure is limited by the size of inner dorsal hood and can not be used for more severe defects4,8.
It has a justifiable popularity in the management of distal hypospadias, but this procedure is limited by the size of the inner dorsal hood and can not be used for more severe defects,19.
Sorting area sa3 is the main sorting area of the dorsal hood (dh); it is located on the right posterior stomach face and leads to the left, terminating inside the dorsal hood.
This sorting area leads towards the dorsal hood, where it occupies a small area of the wall limited anteriorly by area sa3.
The food particles that enter the stomach together with the mucous filament are directed to the dorsal hood through ciliary beating in sorting areas sa8 and sa3.
Intraoperatively a multilobulated swelling was found involving the dorsal aspect of the insertion of the dorsal hood apparatus and free from the joint and bone (Fig 5).