Canadian Medical Guide > Diseases > Pathological Conditions, Signs and Symptoms > Pathological Conditions, Anatomical Terms and Definitions

Pathological Conditions, Anatomical

	Atrophy - Decrease in the size of a cell, tissue, organ, or multiple organs, associated with a variety of pathological conditions such as abnormal cellular changes, ischemia, malnutrition, or hormonal changes.
	Calculi - An abnormal concretion occurring mostly in the urinary and biliary tracts, usually composed of mineral salts. Also called stones.
	Choristoma - A mass of histologically normal tissue present in an abnormal location.
	Constriction, Pathologic - The condition of an anatomical structure's being constricted beyond normal dimensions.
	Dilatation, Pathologic - The condition of an anatomical structure's being dilated beyond normal dimensions.
	Diverticulum - A pathological condition manifested as a pouch or sac opening from a tubular or sacular organ.
	Facial Asymmetry - Congenital or acquired asymmetry of the face.
	Fistula - Abnormal communication most commonly seen between two internal organs, or between an internal organ and the surface of the body.
	Hypertrophy - General increase in bulk of a part or organ, not due to tumor formation, nor to an increase in the number of cells.
	Polyps - Discrete abnormal tissue masses that protrude into the lumen of the DIGESTIVE TRACT or the RESPIRATORY TRACT. Polyps can be spheroidal, hemispheroidal, or irregular mound-shaped structures attached to the MUCOUS MEMBRANE of the lumen wall either by a stalk, pedunculus, or by a broad base.
	Prolapse - The protrusion of an organ or part of an organ into a natural or artificial orifice.
	Rupture, Spontaneous - Tear or break of an organ, vessel or other soft part of the body, occurring in the absence of external force.
	Torsion - A twisting or rotation of a bodily part or member on its axis.

Pathological Conditions, Anatomical Medical Definitions and Terms