ASTASIA-ABASIA
1. severe impairment in or the complete loss of the ability to stand (see astasia) or walk (see abasia). 2.…
ASTEREOGNOSIS
a form of tactile agnosia characterized by a loss or marked impairment in the ability to identify objects or geometric…
ASTHENIC TYPE
a body type characterized by a long- limbed, narrow-chested, weak looking physique. According to some typologies, such individuals tend to…
ASTIGMATISM
n. a visual disorder that occurs when the light rays of a visual stimulus do not all focus on a…
ASTIGMATOSCOPE
an instrument used to diagnose and measure the level of corneal curvature abnormality astigmatism) in the eye.
ASTRAL PROJECTION
the alleged ability of certain mediums or those sensitive to spirits to enter a trance-like state in which they leave…
ASTROBLASTOMA
one type of slow-growing tumor comprised of neuroglial cells (see astrocytoma), whereby the cells have abundant cytoplasm and multiple nuclei.…
ASTROCYTOMA
n. a tumor composed only of neuroglial cells (see neuroglia). The tumor is provided a classification from Grade 1 to…
ASTROCYTOSIS
n. a pathological condition marked by a proliferation of astrocytes, which are neuroglial cells with fibrous processes (see neuroglia). The…