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The Collaborative International Dictionary
Zona

Zona \Zo"na\, n.; pl. Zon[ae]. [L., a girdle. See Zone.] A zone or band; a layer. Zona pellucida. [NL.] (Biol.)

  1. The outer transparent layer, or envelope, of the ovum. It is a more or less elastic membrane with radiating stri[ae], and corresponds to the cell wall of an ordinary cell. See Ovum, and Illust. of Microscope.

  2. The zona radiata.

    Zona radiata [NL.] (Biol.), a radiately striated membrane situated next the yolk of an ovum, or separated from it by a very delicate membrane only.

Wiktionary
zona

Etymology 1 n. A zone or band; a layer. Etymology 2

n. A species of silverside fish (Atheriniformes), (taxlink Bedotia geayi species noshow=1), from Madagascar, also called red-tailed silverside.

WordNet
zona

n. (anatomy) any encircling or beltlike structure [syn: zone]

Gazetteer
Wikipedia
Zona

The red-tailed silverside, or zona (Bedotia geayi) is a species of Madagascar rainbowfish endemic to the Mananjary River drainage in Madagascar. It is threatened by habitat loss and introduced species. It has often been confused with the related B. madagascariensis, which is common in the aquarium trade. In addition to meristics, the two can be separated by the exact colour pattern on their tail fin (males of both typically have red in the tail) and the distinct red spot on the lower jaw of breeding male B. geayi (lacking in B. madagascariensis).

Zona (disambiguation)

Zona is a species of fish.

Zona may also refer to:

  • Zona, West Virginia
  • Herpes zoster or zona, a viral disease characterized by a painful skin rash with blisters
  • Zona (streaming video software), a file-sharing video streaming client
Zona (streaming video software)

Zona is a free software BitTorrent client for watching streaming video content. Described as a " Popcorn Time beater", the application provides a free alternative to subscription-based video streaming services (such as Netflix). In addition to on-demand movies and television series, Zona offers streaming music, live television channels, news, live sports, and games. Zona has been criticized for being closed source as well as having an installer that has been implicated as malware.

Usage examples of "zona".

There was no support from them, not from Peanut, not from Tinhorn, not from Zona or Calvin or File-none of those who sometimes backed her during the meetings.

If we do not change by either adopting an assimilationist program or insisting on metered and legal immigration, or both, we shall soon see a culture in southern and central California that really is a hybrid civilization, a zona libre not unlike what already exists in parts of inner Los Angeles and many rural California towns such as Orange Cove, Mendota, Malaga and Parlier.

Zona, who grew taller as the spikey cloud of light increased in resolution.

It was over a hundred times more likely that the equally charged diplodeviant sperm would lash its frenetic way through the zona pellucida and neutralize the inhibiting effect of the cortical granules.

But ever since Jerry Hall and Sandra Yee had shown in 1991 that a synthetic zona pellucida could be coated onto egg cells, human cloning had been theoretically possible.

All the cattle were gone, scared away by the firefight, but there were prisoners, a stumbling herd of them looking remarkably like Akvir and the other Sunseekers, shrieking and wailing as they were forced at gunpoint to jog across the Zona.

Liverpool and Florencia, he stares out at the Zona Rosa from the back of a white Lada, a nanopore Swiss respirator chafing his freshly shaven chin.

Era caudillo electoral de una zona importante, y cobraba fuertes subsidios de las casas de farol colorado, de los garitos, de las pindongas callejeras y los ladrones de ese sórdido feudo.

El reino continental de los atlantes fue invadido por cantidades incalculables de bestias y de salvajes, hombres-mono y monos, procedentes de las zonas sumergidas.

Fece ap­pello a tutte le energie che restavano nella sua macchina già duramente provata e strattonò Tesla trascinando lei e l'uomo che stava tentando di salvare fuori della zona più caotica in quella ancora abbastanza solida dell'atrio.

L'intera zona era praticamente deserta, a parte due berline e un furgone nero che ci stavano aspettando.

At first it was thought that the enzyme on the acrosome was being inhibited in some fashion and thus the spermatozoon was being prevented from penetrating the zona pellucida—the protective layer of the ovum— but a series of beautiful demonstrations by Russell and Austin at Cambridge proved beyond all doubt that not only could fertilization still take place outside the uterus, but that non-parthogenic cell division could still be induced in vitro at least as far as the morula stage.

Abbiamo trasferito nella zona di Washington alcune dozzine in più di agenti, per non far­ci cogliere di sorpresa se un'altra banca fosse stata colpita.

Sappiamo perfettamente che tutti gli agenti federali che si trova­no nella zona di nord-est sono a vostra disposizione.

This time the penetration was limited to the zona pellucida, sparing the oocyte's cell membrane, and instead of suction being applied, a tiny volume of fluid was introduced into what's known as the perivitelline space.