O QUE SIGNIFICA CHOANOCYTE EM INGLÊS
Choanocitos
Os eletrocitos são células que alinham o interior das esponjas do tipo asconoid, syconoid e leuconoid que contêm um flagelo central, ou undulipodia, cercado por um colar de microvilas que são conectados por uma membrana fina. Eles compõem Choanoderm, um tipo de camada celular encontrada em esponjas. A célula tem a semelhança mais próxima com os choanoflagelados que são os protistas relacionados com o único celular relacionados ao reino animal. Os flagelos batem regularmente, criando um fluxo de água através das microvilas que podem então filtrar nutrientes da água retirada do colar da esponja. As partículas de alimentos são então fagocitadas pela célula.
definição de choanocyte no dicionário inglês
A definição de choanócito no dicionário é qualquer uma das células flageladas em esponjas que mantêm um fluxo de água através do corpo. Um colar de protoplasma envolve a base do flagelo Também chamado de: célula de colar.
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10 LIVROS EM INGLÊS RELACIONADOS COM «CHOANOCYTE»
Descubra o uso de
choanocyte na seguinte seleção bibliográfica. Livros relacionados com
choanocyte e pequenos extratos deles para contextualizar o seu uso na literatura.
(a) The simple vase with unfolded epithelia (ascon); (b) the first stages of folding (
sycon); (c) a more advanced syconoid condition; {d) the most complex condition
with isolated choanocyte chambers, complex canals and thick mesohyl (leucon).
Patricia R. Bergquist,
1978
2
The Comparative Embryology of Sponges
2 Diagram of young sponge with leuconoid aquiferous system. ap apopyle, cc
choanocyte chamber, ec exhalant canal, ic inhalant canal, o ostium, os osculum,
s spicule (From Weissenfels 1975, reproduced by permission of Springer) Water
...
Alexander V. Ereskovsky,
2010
3
Stem Cells: From Hydra to Man
2.9.4 Choanocyte-Lineage-Specific Marker We isolated Ef annexin as a cell-
lineage-specific marker for choanocytes (Funayama et al., 2005a), using specific
labeling of choanocytes with fluorescent beads followed by FACS sorting and a ...
Short Answer Type Questions Q. 1 : Describe the choanocyte and give the
diagrame of the collar based on electrone microscope. (CCSUMeerut2002) Ans. :
The choanocyte These are oval or rounded cells. Their bases rest on the
mesohyl (or ...
Dr. M. C. Bhatnagar, Dr. Geeta Bansal
5
Advances in Sponge Science: Physiology, Chemical and ...
Water enters through ostia to incurrent canals, through the choanocyte chambers
and out excurrent canals to the osculum. (B) Schematic of the pressure head
variation along a flow path from ostium to osculum, illustrating the pressure at low
...
6
New Zealand Journal of Zoology
ENDOSÓME matrix strongly collagenous. but by far the greatest volume devoted
to canals and choanocyte chambers. The latter, though eurypylous. are
elongated and often branched. 30-50 /<m long by 8-15 /im wide. The spherulous
cells ...
7
Animal Evolution: Interrelationships of the Living Phyla
More recent studies have generally confirmed the old observations. The oocytes
differentiate from choanocytes, and early oocytes can be recognized at the base
of the choanocyte layer at the excurrent opening of the choanocyte chamber ...
8
The Biology of Reefs and Reef Organisms
Figure 5—17: Increasing complexity of form and surface area of choanoderm
from simple tube (a, asconoid form) to infolded wall (b, syconoid form) and deeply
embedded choanocyte chambers and canals (c, leuconoid form). Aquiferous ...
9
Biominerals and Fossils Through Time
Choanocyte chamber (a) and three examples of structures utilized by the
sponges to support them. (b) Organic structure of the collagenous type; (c)
Siliceous network; ((1) Calcareous spicules (always calcite). accomplished. The
walls of these ...
Jean-Pierre Cuif, Yannicke Dauphin, James E. Sorauf,
2011
10
Ecology and Classification of North American Freshwater ...
From there water flows into incurrent canals which branch repeatedly into canals
of progressively narrower diameters, until they reach a choanocyte chamber (Fig.
4.5). Choanocyte chambers are the keystones of the spongefeeding system.
James H. Thorp, Alan P. Covich,
2010
3 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «CHOANOCYTE»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
choanocyte no contexto das seguintes notícias.
Oldest known sponge found in China
There was also an area inside one of the tubes with pits surrounded by raised collars, a possible precursor to choanocyte cells which modern ... «Phys.Org, mar 15»
New Killer Sponges Found in the Deep Sea
Near volcanoes and vents, little life floats by, even the single-celled variety—so having (and constantly beating) choanocyte tails would be a ... «NatGeo News Watch, abr 14»
Sponges: The Original Animal House
Sperm -- formed from a transmogrification of choanocytes -- must find another sponge of the proper species and fuse with a choanocyte inside. «Scientific American, nov 11»