Signs of blood clots during your period. 1  A blood clot is a thick mass of menstrual blood that is expelled from your body when you menstruate. 2  Clots are most common during the heaviest part of your flow â which is usually the first few days. 3  Blood Clots look like chunky, jelly-like blobs that vary in size and color.
Definition of organoleptic. 1 : being, affecting, or relating to qualities (such as taste, color, odor, and feel) of a substance (such as a food or drug) that stimulate the sense organs organoleptic research.
Contractile vacuole. Written By: Contractile vacuole, regulatory organelle, usually spherical, found in freshwater protozoa and lower metazoans, such as sponges and hydras, that collects excess fluid from the protoplasm and periodically empties it into the surrounding medium. It may also excrete nitrogenous wastes.