| yeast RNase | <enzyme> An enzyme catalyzing the exonucleolytic cleavage of RNA to yield 3'-phosphomononucleotides. Synonym: RNase U4. (05 Mar 2000) |
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| yeast syndrome | <syndrome> The yeast candida has been thought to cause a syndrome with a number of non-specific problems including fatigue, loss of appetite, headache, short-attention span, depression and all manner of intestinal irregularities. There is no scientific evidence to support the existence of the yeast syndrome (also called the yeast connection). (12 Dec 1998) |
| yeast vectors | <molecular biology> Yeast cells that contain genes. (11 May 1997) |
| killer yeast | <microbiology> A yeast that secretes a toxin that can kill other yeasts. (09 Oct 1997) |
| fission yeast | <fungus> Species of fission yeast commonly used for studies on cell cycle control because there is a distinct G2 phase to the cycle. Only distantly related to the budding yeast Saccharomyces cerevisiae Saccharomyces cerevisiae. A further advantage is that some mammalian introns are processed correctly. (18 Nov 1997) |
| vaginal | 1. Of the nature of a sheath, ensheathing. 2. <anatomy> Pertaining to the vagina. 3. Pertaining to the tunica vaginalis testis. (18 Nov 1997) |
| vaginal artery | <anatomy, artery> Origin, internal iliac; distribution, vagina, base of bladder, rectum; anastomoses, uterine, internal pudendal. Synonym: arteria vaginalis. (05 Mar 2000) |
| vaginal atresia | Congenital or acquired imperforation or occlusion of the vagina, or adhesion of the walls of the vagina. Synonym: ankylocolpos, colpatresia. (05 Mar 2000) |
| vaginal birth after cesarean | Delivery of an infant through the vagina in a female who has had a prior cesarean section. (12 Dec 1998) |
| vaginal birth after cesarian section | It was once the rule that after a c-section, the next delivery also had to be by c-section. Now vaginal delivery after cesarian section (vbac) is frequently feasible. See: vbac. (12 Dec 1998) |
| vaginal columns | Two slight longitudinal ridges, anterior and posterior, in the vaginal mucous membrane, each marked by a number of transverse mucosal folds. Synonym: columnae rugarum, vaginal columns. (05 Mar 2000) |
| vaginal cornification test | A test for oestrogenic activity, in which the appearance of cornified epithelial cells in a vaginal smear of a test animal is an indication of the action of an oestrogen. (05 Mar 2000) |
| vaginal creams, foams and jellies | Medicated dosage forms for topical application in the vagina. A cream is a semisolid emulsion containing suspended or dissolved medication; a foam is a dispersion of a gas in a medicated liquid resulting in a light, frothy mass; a jelly is a colloidal semisolid mass of a water soluble medicated material, usually translucent. The concept includes vaginal creams, foams, and jellies in general or for which there is no other specific heading. (12 Dec 1998) |
| vaginal cyst | A closed sac on or under the vaginal mucosa that contains fluid or semi-solid material. These may occur secondary to trauma. Treatment may include surgical excision. (27 Sep 1997) |
| vaginal discharge | A common gynecologic disorder characterised by an abnormal, nonbloody discharge from the genital tract. (12 Dec 1998) |