Clitoris: A small mass of erectile tissue in the female that is situated at the anterior apex of the vulva, near the meeting of the labia majora (vulvar lips). Like the penis, the clitoris is highly sensitive to stimulation during sex. The clitoris corresponds to the penis in the male.
CLL: Chronic lymphocytic leukemia. See: Leukemia, chronic lymphocytic.
- Cloacal exstrophy
Cloacal exstrophy: A birth defect involving the pelvic area that is termed a malformation sequence and involves the cloaca. A cloaca is a common passageway for feces, urine and reproduction. During human embryogenesis (development), there is for a time a cloaca. The far end of a structure called the hindgut is the cloaca before it […]
Cloaca: A common passageway for feces, urine and reproduction. At one point in the development of the human embryo, there is a cloaca. It is the far end of a structure called the hindgut. This structure then divides to form a rectum, a bladder, and genitalia. The presence of a cloaca is normal in many […]
Clone: Literally a fragment, the word in modern medical science has come to mean a replica, for example, of a group of bacteria or a macromolecule such as DNA. Clone also refers to an individual developed from a single somatic (non-germ) cell from a parent, representing an exact replica of that parent. A clone is […]
- Clonic seizure
Clonic seizure: A seizure in which there are generalized clonic contractions with the entire body jerking, but without a preceding tonic phase.