ulcus

About 0.02 uses per million words.

Meaning

1. noun A rounded, pore-like aperture at either pole of a pollen grain.
2. noun Synonym of ulcer.

Similar words

molle atrium aspis colpus massula auricula arcus apocolpium bacule ectocolpus

Often followed by

ventriculi serpens duodeni molle cruris rodens carcinomatosum simplex pepticum tropicum