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1
A Monograph of the Gymnoblastic Or Tubularian Hydroids: The ...
These spines consist of a chitinous framework, continued from the general
chitinous system of the common basis, and overlaid and penetrated by an
extension of the coenosarc. The framework of each completely formed spine
consists of a ...
George James Allman, 1872
2
Natural History: Or, Second Division of "The English ...
Hydractinida. Genus 1. Hydractinia, Von Beneden. Trophosome.— Coenosarc
forming a continuous expansion whose free surface is destitute of periderm, but
whose deeper parts consist of an areolar moss of freely intercommunicating
tubes, ...
3
The Oceanic Hydrozoa: A Description of the Calycophoridœ and ...
In the P/iysop/zoridw the inner faces of the nectocalyces are usually excavated to
enclose the coenosarc, and those of opposite sides simply alternate with, and fit
in between, one another. Each nectocalyx is connected with the cmnosarc by a ...
Thomas Henry Huxley, 1859
4
Molecular and functional ecology of aquatic microbial symbionts
More detailed horizontal mapping of scalar irradiance across the tissue surface (
from polyp mouth over walls to coenosarc) revealed strong small—scale
heterogeneity (Figure 4), but consistent results were obtained between the two
different ...
Microscopic structure 1. Coenosarc : All branches and zooids of the hydroid
colony contain a living tubular part. This is called coenosarc. It encloses a canal,
the coenosarcal canal or gastrovascular cavity. Its wall contains an outer
epidermis ...
Dr. M. C. Bhatnagar, Dr. Geeta Bansal
6
Modern Text Book of Zoology: Invertebrates
When blastostyles develop saucer-shaped bodies, called medusae, the .colony
becomes trimorphic. 2. Coenosarc. Branches and zooids of colony consists of an
inner, tubular and living portion, the coenosarc. It consists of a cellular wall ...
7
Sessile Animals of the Sea Shore
Upon fusion the coenosarc joins up, so that hydroplasmic flow can take place
through the new connection. Fusion of this type leads to a reticulate stolon. In
Obelia geniculata, the leading stolon does not stop when it encounters the stolon
of ...
8
Progress in Invertebrate Zoology
The germ cells of Obelia develop from large amoeboid cells, situated in the
epidermis of the coenosarc (colony stem), in masses of small cells and
cnidoblasts5. The amoeboid cells elongate and some of them migrate from the
epiderm into the ...
9
Revision of the Suborders Families, and Genera of the ...
Edge-zone and coenosarc.-The совпадаю 15 thatpart Of a polyp in a colony that
lies outside the theca or skeletal wall. The edge-zone is that part that lies over the
free portions of the corallite. In simple corals (Fig. 4, A) an edge-zone only is ...
10
Advances in Marine Biology APL
Other behavioural responses normally associated with feeding and also
sediment shedding, such as coenosarc distension, have been observed on
exposure of certain coral species to pollutants (Thompson et al., 1980; Dallmeyer
et al., 1982) ...
J. H. S. Blaxter, Sir Frederick S. Russel, 1985
