| ZP | zona pellucida |
|---|---|
| SNR | selective nerve root [block]; signal-to-noise ratio; substantia nigra zona reticulata; supernumerary... |
| ZF | zero frequency; zinc finger [protein]; zona fasciculata |
| ZG | zona glomerulosa |
| ZR | zona reticularis |
| Z.p. | Zona pellucida |
|---|---|
| ZP | Spermzona pellucida |
| PZD | Partial zona dissection |
| SNc | Substantia Nigra zona compacta |
| ZF | Zona Fasciculata |
| zona pellucida | <cell biology, gynaecology> A translucent, elastic, noncellular layer surrounding the ovum of many mammals. (11 May 1997) |
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| area pellucida | The translucent central part of the blastoderm of birds and reptiles. (05 Mar 2000) |
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| macula pellucida | <gynaecology, physiology> The point where the graafian follicle is about to rupture on the surface of the ovary. Synonym: macula pellucida, stigma. (05 Mar 2000) |
| zona | Origin: L, a girdle. See Zone. A zone or band; a layer. Zona pellucida. [NL. <biology> A radiately striated membrane situated next the yolk of an ovum, or separated from it by a very delicate membrane only. Source: Websters Dictionary (01 Mar 1998) |
| zona arcuata | The inner third of the basilar membrane of the cochlear duct extending from the tympanic lip of the osseous spiral lamina to the outer pillar cell of the spiral organ (of Corti). Synonym: zona arcuata, zona tecta. (05 Mar 2000) |
| zona ciliaris | The outer, wider zone of the anterior surface of the iris, separated from the pupillary zone by the collarette. Synonym: zona ciliaris. (05 Mar 2000) |
| zona corona | An irregularly disposed collection of visible veins seen in the skin of people usually of or past middle age; it has no specific connection with any deep structure, such as the diaphragm, and no necessary connection with underlying visceral disease. Synonym: zona corona. (05 Mar 2000) |
| zona dermatica | A ridge of thickened skin surrounding the protrusion in spina bifida. (05 Mar 2000) |
| zona epithelioserosa | The membranous ring, within the zona dermatica, surrounding the protrusion in spina bifida. (05 Mar 2000) |
| zona facialis | Herpes zoster involving the face. (05 Mar 2000) |
| zona fasciculata | The wide middle zone of the adrenal cortex. This zone consists of large lipid-laden cells radially arranged in parallel cords. It converts pregnenolone to cortisol by a series of enzymatically regulated steps. A small amount of corticosterone is formed as a by-product of cortisol synthesis. (12 Dec 1998) |
| zona glomerulosa | The narrow subcapsular outer zone of the adrenal cortex. This zone consists of granular cells which stain deeply and are arranged in rounded groups. It converts pregnenolone to aldosterone by a series of enzymatically regulated steps. (12 Dec 1998) |
| zona haemorrhoidalis | The part of the anal canal that contains the rectal venous plexus. Synonym: annulus haemorrhoidalis, zona haemorrhoidalis. (05 Mar 2000) |
| zona ignea | <virology> A reactivation of the same Herpes virus that is responsible for chicken pox. This results in a painful blistery red rash that is confined to one side of the body. The zoster rash affects one nerve distribution or dermatome. Facial rash can lead to optic nerve involvement with resultant blindness. Synonym: shingles. (06 Mar 1998) |
| zona incerta | A flat, obliquely disposed plate of gray matter in the subthalamic region situated between the thalamic fasciculus (tegmental field H1 of Forel) and the lenticular fasciculus (tegmental field H2). Medially, cells of this nucleus are adjacent to the prerubral area (tegmental field H) and, laterally, they are continuous with the reticular nucleus of the thalamus. Z. I. Is a derivative of the ventral thalamus; it receives afferents from the precentral motor cortex and the cerebellum. (05 Mar 2000) |
| zona medullovasculosa | The fissured segment of the spinal cord that dorsally closes the sac in meningomyelocele. (05 Mar 2000) |
Synonyms :
| zona pellucida |
thick membrane around the mammalian ovum; can be penetrated by one sperm in the fertilization process; usually remains around the fertilized egg until it is implanted in the wall of the uterus
Ãâó: wordnet.princeton.edu/perl/webwn
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| zona pellucida |
The tough but glassy-looking membrane that starts to surround the egg (the primary oocyte) while it
Ãâó: www.jansen.com.au/Dictionary_VZ.html
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| zona pellucida |
hard outer membrane surrounding the unfertilized oocyte
Ãâó: www.infertilitycentral.com/fertility/fertility-def...
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| zona pellucida |
The shell-like covering of the human egg.
Ãâó: www.haveababy.com/learn/glossary.asp
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| zona pellucida |
The outside covering (shell) of a human egg.
Ãâó: www.pakmed.bobos.ca/infertility/inf05.htm
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| zona pellucida | thick membrane around the mammalian ovum |
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