| accipiter | Origin: L, hawk. 1. <ornithology> A genus of rapacious birds; one of the Accipitres or Raptores. 2. <surgery> A bandage applied over the nose, resembling the claw of a hawk. Source: Websters Dictionary (01 Mar 1998) |
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| accipitres | <ornithology> The order that includes rapacious birds. They have a hooked bill, and sharp, strongly curved talons. There are three families, represented by the vultures, the falcons or hawks, and the owls. Origin: L, hawks. Source: Websters Dictionary (01 Mar 1998) |
| accipitrine | <zoology> Like or belonging to the Accipitres; raptorial; hawklike. Origin: Cf. F. Accipitrin. Source: Websters Dictionary (01 Mar 1998) |
| acclimating fever | Elevated temperature with malaise that occurs upon working in a very hot environment. (05 Mar 2000) |
| acclimation | Adaptation to a new environment or to a change in the old. (12 Dec 1998) |
| acclimatisation | 1. <physiology> The physiological process through which an organism grows accustomed or adapts to a new environment. 2. <microbiology> In mcrobial cultures, this can involve enzymatic changes that allow it to use an new nutrient source for energy. (06 May 1997) |
| acclimatization | Adaptation to a new environment or to a change in the old. (12 Dec 1998) |
| acclimatize | To inure or habituate to a climate different from that which is natural; to adapt to the peculiarities of a foreign or strange climate; said of man, the inferior animals, or plants. Origin: Acclimatized; Acclimatizing. Source: Websters Dictionary (01 Mar 1998) |
| accole forms | A term applied to the manner in which the ring stage of Plasmodium falciparum parasitises the marginal portion of erythrocytes. Synonym: accole forms. (05 Mar 2000) |
| accommodation | <ophthalmology, physiology> Adjustment, especially that of the eye for various distances resulting in pupil constriction or dilatation. Origin: L. Accommodare = to fit to (18 Nov 1997) |
| accommodation of eye | The increase in thickness and convexity of the eye's lens in order to focus the image of an external object upon the retina. (05 Mar 2000) |
| accommodation of nerve | <anatomy, nerve> The property of a nerve by which it adjusts to a slowly increasing strength of stimulus, so that its threshold of excitation is greater than it would be were the stimulus strength to have risen more rapidly. (05 Mar 2000) |
| accommodation reflex | Increased convexity of the lens, due to contraction of the ciliary muscle and relaxation of the suspensory ligament, to maintain a distinct retinal image. (05 Mar 2000) |
| accommodation, ocular | The dioptric adjustment of the eye (to attain maximal sharpness of retinal imagery for an object of regard) referring to the ability, to the mechanism, or to the process. It is the effecting of refractive changes by changes in the shape of the crystalline lens. Loosely, it refers to ocular adjustments for vision at various distances. (12 Dec 1998) |
| accommodative | Relating to accommodation. (05 Mar 2000) |