ARREST REACTION
an instant behavioral response, usually studied in cats, characterized by freezing.
ARRESTED TESTIS
a testis that lies within the inguinal canal but cannot descend into the scrotum due to obstruction of the passage.…
ARRHINENCEPHALY (ARHINENCEPHALY)
a congenital defect attributed to abnormalities in the part of the brain associated with the sense of smell. In some…
ART THERAPY
the use of artistic activities, such as painting, jewelry making and clay modeling, in psychotherapy and sometimes in rehabilitation. The…
ARTEPS EXERCISE
the Army Training and Evaluation Program exercise is a field exercise designed to assess the ability of units to perform…
ARTERIAL CIRCLE
a ring of blood vessels found at the base of the brain. The circle is formed by links between branches…
ARTERIOLE REACTION
a response controlled by the autonomic nervous system that changes the diameter of the arterioles. Since arterioles control the flow…
ARTERIOPATHIA HYPERTONICA
a form of arterial degeneration that is often associated with hypertension. The muscle and elastic tissue of the walls of…
ARTERIOSCLEROSIS
n. literally, this means the hardening of the arteries. This is often a result of the deposition of plaques in…
ARTERIOVENOUS MALFORMATION (AVM)
an abnormal, congenital tangle of arteries and veins that are directly connected and lack any intervening capillaries. Such malformations may…
ARTHROGRYPOSIS MULTIPLEX CONGENITA
a congenital disorder, caused by genetic factors in 30% of cases. It is marked by distorted joints in different body…
ARTHROPATHY
n. refers to any inflammatory, neuropathic, or other disease involving a joint. In linguistics, a determinant that limits a noun…
ARTICULATION
1. the process of producing and using the speech sounds required for intelligible and meaningful speech. Articulation is a complex…