Inside the membrane, the cytoplasm takes up most of the cell's volume. All cells (except red blood cells which lack a cell nucleus and most organelles to accommodate maximum space for hemoglobin) possess DNA, the hereditary material of genes, and RNA, containing the information necessary to build various proteins such as enzymes, the cell's primary machinery.
Doula. A doula, is a nonmedical person who assists a woman before, during, or after childbirth, as well as her partner and/or family by providing information, physical assistance, and emotional support.
noun, plural fistulas, fistulae. [fis-choo-lee] /ËfÉªs tÊÊËli/ (Show IPA) 1. Pathology. a narrow passage or duct formed by disease or injury, as one leading from an abscess to a free surface, or from one cavity to another. 2. Surgery. an opening made into a hollow organ, as the bladder or eyeball, for drainage. 3. Veterinary Pathology. any of various suppurative inflammations, as in the withers of a horse (fistulous withers) characterized by the formation of passages or sinuses through the tissues and to the surface of the skin.