| AA ex | active assistive exercise |
|---|---|
| AAR | active avoidance reaction; acute articular rheumatism; antigen-antiglobulin reaction |
| AB | abdominal; abnormal; abortion; Ace bandage; active bilaterally; aid to the blind; alcian blue; alert... |
| A-CAH | autoimmune chronic active hepatitis |
| ACD | absolute cardiac dullness; absolute claudication distance; acid-citrate-dextrose [solution]; actinom... |
| chronic active hepatitis | <pathology> This is a form of continuing liver inflammation that results in liver cell death. Causes include viral infection (hepatitis D, hepatitis B, hepatitis C), autoimmune disease, drug ingestion or metabolic causes. Chronic active hepatitis will lead to hepatic failure and death in a small percentage of these patients. (27 Sep 1997) |
|---|---|
| chronic active inflammation | The coexistence of chronic inflammation and superimposed acute inflammation. (05 Mar 2000) |
| chronic active liver disease | Any of several types of hepatitis persisting for more than six months, often progressing to cirrhosis. Synonym: chronic active liver disease. (05 Mar 2000) |
| specific active immunity | See: acquired immunity. (05 Mar 2000) |
| immunity, active | Resistance to a disease agent resulting from the production of specific antibodies by the host, either after exposure to the disease or after vaccination. (12 Dec 1998) |
| immunotherapy, active | Active immunization where vaccine is administered for therapeutic or preventive purposes. This can include administration of immunopotentiating agents such as bcg vaccine and corynebacterium parvum as well as biological response modifiers such as interferons, interleukins, and colony-stimulating factors in order to directly stimulate the immune system. (12 Dec 1998) |
| optically active | <chemistry> A material which can rotate plane-polarized light. (09 Jan 1998) |
| tensio active | Having an effect on surface tension. (18 Nov 1997) |
| acromial articular surface of clavicle | A small oval facet on the lateral end of the clavicle for articulation with the acromion. Synonym: facies articularis acromialis claviculae, acromial articular facies of clavicle. (05 Mar 2000) |
| anterior part of diaphragmatic surface of liver | The part of the diaphragmatic surface of the liver deep to the costal arches and the xiphoid process. Synonym: pars anterior faciei diaphragmatis hepatis. (05 Mar 2000) |
| anterior surface | The surface of a structure or part of the body that faces forward. Synonym: facies anterior. (05 Mar 2000) |
| anterior surface of arm | Anterior articular surface of dens, the curved articular facet on the anterior aspect of the dens of the axis that articulates with the facet for the dens of the axis anterior arch of the atlas. Synonym: facies articularis anterior dentis. (05 Mar 2000) |
| anterior surface of cornea | The external surface of the cornea. Synonym: facies anterior corneae. (05 Mar 2000) |
| anterior surface of elbow | The area in front of the elbow, including the cubital fossa. Synonym: facies cubitalis anterior, regio cubitalis anterior, anterior cubital region, anterior surface of elbow. (05 Mar 2000) |
| anterior surface of eyelids | anterior surface of eyelids |