10 ENGLISH BOOKS RELATING TO «CHOANOCYTE»
Discover the use of
choanocyte in the following bibliographical selection. Books relating to
choanocyte and brief extracts from same to provide context of its use in English literature.
(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 NEWS ITEMS WHICH INCLUDE THE TERM «CHOANOCYTE»
Find out what the national and international press are talking about and how the term
choanocyte is used in the context of the following news items.
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, Apr 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»
