| abanga | A West Indian palm; also the fruit of this palm, the seeds of which are used as a remedy for diseases of the chest. Origin: Name given by the negroes in the island of St. Thomas. Source: Websters Dictionary (01 Mar 1998) |
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| abapical | Opposite the apex. (05 Mar 2000) |
| abapical pole | In an ovum, the pole opposite the animal pole (i.e., vegetal pole). (05 Mar 2000) |
| abarognosis | Loss of ability to appreciate the weight of objects held in the hand, or to differentiate objects of different weights. When the primary senses are intact, caused by a lesion of the contralateral parietal lobe. Origin: G. A-priv. + baros, weight, + gnosis, knowledge (05 Mar 2000) |
| abarticulation | <anatomy> Articulation, usually that kind of articulation which admits of free motion in the joint; diarthrosis. Origin: L. Ab + E. Articulation: cf. F. Abarticulation. Source: Websters Dictionary (01 Mar 1998) |
| abasia | <neurology> Lack of motor or muscular coordination in walking. (27 Sep 1997) |
| abasia trepidans | Abasia due to trembling of the lower limbs. (05 Mar 2000) |
| abasia-astasia | The inability to either stand or walk in a normal manner; the gait is bizarre and is not suggestive of a specific organic lesion; often the patient sways wildly and nearly falls, but recovers at the last moment; a symptom of hysteria-conversion reaction. Synonym: Blocq's disease. (05 Mar 2000) |
| abasic | 1. Affected by, or associated with, abasia; also abatic. 2. Refers to loss of pyrimidine sites in DNA. (05 Mar 2000) |
| abattis | A means of defense formed by felled trees, the ends of whose branches are sharpened and directed outwards, or against the enemy. Origin: F. Abatis, abattis, mass of things beaten or cut down, fr. Abattre. Source: Websters Dictionary (01 Mar 1998) |
| abattoirs | Places where animals are slaughtered and dressed for market. (12 Dec 1998) |
| abaxial | <botany> Describes a plant part which is on the side or surface of an organ, facing away from the axis. (09 Oct 1997) |
| abaxile | <botany> Away from the axis or central line; eccentric. Origin: L. Ab + axis axle. Source: Websters Dictionary (01 Mar 1998) |
| abba | Father; religious superior; in the Syriac, Coptic, and Ethiopic churches, a title given to the bishops, and by the bishops to the patriarch. Origin: Syriac abba father. Source: Websters Dictionary (01 Mar 1998) |
| Abbe apertometre | <optics> In microscopy, a device for measuring simultaneously, the numerical and angular apertures of an objective or condenser. The back focal plane of the objective is viewed within auxiliary lens, and the device is set to show the position of an indicator just cutting into two opposite edges of the conoscopic field of view. (11 Mar 1998) |