| Acuaria spiralis | A nematode parasite in the proventriculus and oesophagus, and sometimes the intestine, of chickens, turkeys, pheasants, and other birds. Origin: L. Acus, needle; Mod. L. Spiralis, spiral (05 Mar 2000) |
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| acuate | To sharpen; to make pungent; to quicken. "[To] acuate the blood." Origin: L. Acus needle. Source: Websters Dictionary (01 Mar 1998) |
| acuity | <ophthalmology> The clarity or clearness, especially of the vision or hearing. Origin: L. Acuitas = sharpness (18 Nov 1997) |
| aculeacin A acylase | <enzyme> From aspergillus; used in preparing deactylated peptides Registry number: EC 3.5.1.- (26 Jun 1999) |
| aculeate | Full of sharp points or prickles; armed or covered with prickles; as, a prickly shrub. <botany> Prickly ash, any one of several species of South American burrowing rodents belonging to Ctenomys and allied genera. The hair is usually intermingled with sharp spines. (05 Mar 1998) |
| aculeolate | <botany> Having small prickles or sharp points. Origin: L. Aculeolus little needle. Source: Websters Dictionary (01 Mar 1998) |
| aculeus | <botany> A prickle growing from bark. (15 Jan 1998) |
| acumen | <plant biology> The point of an acuminate leaf. (15 Jan 1998) |
| acuminate | <botany> Tapering gradually to a protracted point, used to descibe a leaf that tapers abruptly to a sharp point. (12 Mar 1998) |
| acuminate papular syphilid | Secondary eruption of small follicular papules, usually appearing as groups of lesions. Synonym: acuminate papular syphilid, lichen syphiliticus, miliary papular syphilid. (05 Mar 2000) |
| acuology | The study of the use of needles for therapeutic purposes, as in acupuncture. Origin: L. Acus, needle, + G. Logos, study (05 Mar 2000) |
| acupressure | <surgery> A mode of arresting hemorrhage resulting from wounds or surgical operations, by passing under the divided vessel a needle, the ends of which are left exposed externally on the cutaneous surface. Origin: L. Acus needle + premere, pressum, to press. Source: Websters Dictionary (01 Mar 1998) |
| acupuncture | Pricking with a needle; a needle prick. <medicine> Specifically, the insertion of needles into the living tissues for remedial purposes. Origin: L. Acus needle + punctura a pricking, fr. Pungere to prick: cf. F. Acuponcture. Source: Websters Dictionary (01 Mar 1998) |
| acupuncture anaesthesia | Insertion of acupuncture needles at specific points in the body to block the afferent nerve impulses from reaching the brain, thus producing the loss of sensation of pain. The technique is used in performing surgery. (12 Dec 1998) |
| acupuncture analgesia | Analgesia produced by the insertion of acupuncture needles at certain points in the body. These activate the small myelinated nerve fibres in the muscle which transmit impulses to the spinal cord and then activate three centres - the spinal cord, midbrain and pituitary hypothalamus - to produce analgesia. (12 Dec 1998) |