Last name origins & meanings: 1  Dutch, North German (Niemann), and Danish: nickname for a newcomer to a place, from nie ânewâ (variant of German neu or Dutch nieuw) + man âmanâ. 2  Dutch, North German (Niemann), and Danish: Perhaps also from niemand ânobodyâ, hence a nickname for an orphan or a person of no account.ast name origins & meanings: 1  Dutch, North German (Niemann), and Danish: nickname for a newcomer to a place, from nie ânewâ (variant of German neu or Dutch nieuw) + man âmanâ. 2  Dutch, North German (Niemann), and Danish: Perhaps also from niemand ânobodyâ, hence a nickname for an orphan or a person of no account.
GCIDE(0.00 / 0 votes)Rate this definition: onychophoran(n.) Any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms; a member of the Onychophora, also called Malacopoda. See Malacopoda.
Overview. Oophorectomy is the removal of the ovaries to treat or prevent ovarian cancer or other ovarian abnormalities. â Prophylactic oophorectomy â refers to the removal of healthy ovaries in women who have an elevated risk for ovarian cancer.Women with elevated hereditary risk for ovarian cancer also have an elevated risk for fallopian tube cancer. Prophylactic oophorectomy â refers to the removal of healthy ovaries in women who have an elevated risk for ovarian cancer. Women with elevated hereditary risk for ovarian cancer also have an elevated risk for fallopian tube cancer.