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Topic: Hemocoel


In the News (Sat 19 Dec 09)

  
  hemocoel - Search Results - MSN Encarta
Unlike the coelom, which is small in arthropods and molluscs, the hemocoelum does not...
Hemocoel definition, words related to hemocoel, proper usage and pronunciation of the word hemocoel...
The remainder of its journey takes place within the body cavity (called the hemocoel).
ca.encarta.msn.com /hemocoel.html   (134 words)

  
 Circulation
Snails don't have capillary veins and arterioles, which means their blood doesn't flow within tube-like structures (veins and arteries) during the whole circulation, but at the tissue level the blood circulates free between the cells and structures embedded in blood cavities (hemocoels) within the body (= open circulation).
The anterior aorta connects the heart with the head (cephalic hemocoel) and the foot (foot hemocoel), while the posterior aorta divides close to the heart with one artery distributing the blood to the digestive system and the second serves several other organs (testis, ovaria, intestines etc.).
After circulating through the tissues and hemocoels of the snail, the blood is collected in large veins and brought to the posterior kidney.
www.applesnail.net /content/anatomy/circulation.php   (1039 words)

  
 ADW: Arthropoda: Information
Most of the body cavity is an open "hemocoel," or space filled loosely with tissue, sinuses, and blood.
The circulatory system is open and consists of a heart, arteries, and the open spaces of the hemocoel.
Respiration takes place through the body surface, and/or by means of gills, tracheae, or book lungs.
animaldiversity.ummz.umich.edu /arthropoda.html   (560 words)

  
 Uli Theopold Group
Arthropods with their open circulatory systems seal wounds and keep bacteria from entering the hemocoel using efficient clotting systems.
In collaboration with the group of Dr. M Dushay (Södertörns Högskola, Stockholm) we have established methods to study this reaction in Drosophila melanogaster.
Using these methods, we were able show that during Drosophila clotting, extracellular webs are formed which immobilize bacteria and prevent their dissemination into the hemocoel (Fig.1).
www.molbio.su.se /Research/theopoldlab/theopoldlab_content.html   (923 words)

  
 ScienceDaily: Mollusk   (Site not responding. Last check: 2007-10-26)
The scientific study of molluscs is called malacology.
The principal body cavity is a blood-filled hemocoel.
It is unknown whether they have a true coelom (eucoelom); any coelomic cavities have been reduced to vestiges around the hearts, gonads, and metanephridia (kidney-like organs).
www.sciencedaily.com /encyclopedia/mollusk   (1446 words)

  
 hemocoel
A Hemocoel is a cavity or series of spaces between the organs of organisms with open circulatory systems like most arthropods and mollusks.
A combination of blood, lymph, and interstitial fluid called hemolymph circulates through the hemocoel.A Hemocoel is also the space in the connective tissue compartment derived from the embryonic blastocoel with contributions from mesoderm, filled with blood.
This page was last modified Wed, 01 May 2002 15:01:49 GMT.
webraindor.info /wiki/hemocoel   (121 words)

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