Be sure to ask your doctor how often you should have a Pap smear. Pap smear frequency varies from woman to woman, based on age, health, and previous Pap smear findings. Pap Test: What is a Pap Test. 02 Feb 2003. American Cancer Society.
The noun SEMEN has 1 sense: 1. the thick white fluid containing spermatozoa that is ejaculated by the male genital tract. Familiarity information: SEMEN used as a noun is very rare.
In biology, a lumen (from Latin lÅ«men, meaning an opening; plural lumina) is the inside space of a tubular structure, such as an artery or intestine.By extension, the term lumen is also used to describe the inside space of a cellular component or structure, such as the endoplasmic reticulum.n biology, a lumen (from Latin lÅ«men, meaning an opening; plural lumina) is the inside space of a tubular structure, such as an artery or intestine.