cleft hand


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Related to cleft hand: cleft foot

hand

 [hand]
the terminal part of the upper limb of a human or a nonhuman primate.
ape hand one with the thumb permanently extended.
cleft hand a malformation in which the division between the fingers extends into the metacarpus; also, a hand with the middle digits absent.
claw hand see clawhand.
drop hand wristdrop.
lobster-claw hand cleft hand.
obstetrician's hand the contraction of the hand in tetany; the hand is flexed at the wrist, the fingers are flexed at the metacarpophalangeal joints but extended at the interphalangeal joints, and the thumb is strongly flexed into the palm.
writing hand in Parkinson's disease, assumption of the position by which a pen is commonly held.

cleft hand

a congenital deformity in which the division between the fingers, especially between the third and fourth, extends into the metacarpal region.
See also: lobster-claw deformity.
Synonym(s): split hand

cleft hand

a hand that develops in two parts because of the failure of a digit and metacarpal to form normally during embryonic development.
A deep congenital cleft between the 3rd and 4th digits of the hands or feet, due to an absent central digital ‘ray’; the lobster claw deformity is more common in the foot, and is often accompanied by syndactyly; it classically occurs in ectodermal dysplasia—EEC syndrome—ectrodactyly, ectodermal dysplasia, and cleft palate, and is associated with organ defects

cleft hand

(kleft hand)
A congenital deformity in which the division between the fingers, especially between the third and fourth, extends into the metacarpal region.
Synonym(s): split hand.