..Starting node ..Irregular epiphysis of the proximal phalanx of the thumb (HP:0009669)
Term ID:
9669
Name:
Irregular epiphysis of the proximal phalanx of the thumb
Synonym:
Irregular end part of thumb innermost long bone
Definition:
Irregular radiographic opacity of the epiphysis of the proximal phalanx of the thumb. In contrast to the proximal phalanges of the digits 2-5, the proximal phalanx of the thumb is embryologically equivalent to the middle phalanges of the other digits, whereas the first metacarpal is embryologically of phalangeal origin and as such equivalent to the proximal phalanges of the other digits.