obsolete congenital absence/hypoplasia of thumb, unilateral (obsolete MONDO:0017506)
OBSOLETE. Congenital absence/hypoplasia of thumb, unilateral is a rare developmental defect during embryogenesis characterized by the unilateral underdevelopment of the thumb, ranging from a slight decrease in thumb size to complete absence of the thumb.
thumb hypodactyly, unilateral
exact
thumb oligodactyly, unilateral
exact