patent+medicine

  • 91transposition of great arteries — transposition of great vessels a congenital anomaly of the cardiovascular system in which the aorta arises entirely from the right ventricle and the pulmonary artery from the left ventricle, so that the venous return from the peripheral… …

    Medical dictionary

  • 92Opium — An addictive narcotic drug derived from the unripe seedpods of the opium poppy. Preparations of opium were called laudanum. Derivatives of laudanum include paregoric (a drug to treat diarrhea), morphine and heroin. For centuries, opium was used… …

    Medical dictionary

  • 93branch — An offshoot; in anatomy, one of the primary divisions of a nerve or blood vessel. A b.. See ramus, artery, nerve, vein. SYN: ramus (1) [TA]. accessory meningeal b. SYN: pterygomeningeal artery …

    Medical dictionary

  • 94load — 1. A departure from normal body content, as of water, salt, or heat; positive loads are quantities in excess of the normal; negative loads are quantities in deficit. 2. The quantity of a measurable …

    Medical dictionary

  • 95test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …

    Medical dictionary

  • 96Anastomosis — The connection of normally separate parts or spaces so they intercommunicate. An anastomosis may be naturally occurring or artificially constructed and be created during the process of embryonic development or by surgery, trauma or pathological… …

    Medical dictionary

  • 97Aneurysm — A localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word “aneurysm” comes from the Greek “aneurysma” meaning “a widening.” * * *… …

    Medical dictionary

  • 98Aortic atresia — Congenital absence of the normal valvular opening from the left ventricle of the heart into the aorta. Atresia here refers to the absence of a normal opening. * * * absence or closure of the aortic orifice of the heart, a rare congenital anomaly… …

    Medical dictionary

  • 99Atresia — Absence of a normal opening or failure of a structure to be tubular. Atresia can affect many structures in the body, including: {{}}Anal atresia congenital absence of a hole at the bottom end of the intestine. Also called imperforate anus. Aortic …

    Medical dictionary

  • 100Char syndrome — A genetic disorder characterized by patent ductus arteriosis and unusual facial features including a long philtrum (increase in the distance between the nose and upper lip), down slanting palpebral fissures (eye slits), and thick lips as well as… …

    Medical dictionary