vas deferens hypoplasia under "abnormal vas deferens morphology [MP:0002769]"
DEF: underdevelopment or reduced size of the vas deferens, usually due to a reduced number of cells
SYN: hypoplastic vas deferens
SYN: ductus deferens hypoplasia
SYN: hypoplastic ductus deferens
DELETE existing term "vas deferens aplasia [MP:0003556]"
ADD "vas deferens aplasia" as a synonym of "absent vas deferens [MP:0003557]" along with the following synonyms:
SYN: agenesis of vas deferens
SYN: ductus deferens aplasia