tribrachia

tri·bra·chi·a

(trī-brā'kē-ă),
Condition seen in conjoined twins in which there are only three upper limbs for the two bodies. See: conjoined twins.
[tri- + G. brachiōn, arm]

tri·bra·chi·a

(trī-brā'kē-ă)
Condition seen in conjoined twins when the fusion has merged the adjacent upper limbs to form a single one, so that there are only three upper limbs for the two bodies.
See also: conjoined twins
[tri- + G. brachiōn, arm]

tribrachia

(trī-brā′kē-ă)
The condition of having three arms.
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