Dictionary » C » Canal

Canal

Canal

a duct or channel; a tubular structure. A canal or channel.

See: canal, duct.

Synonym: canalis.

Origin: L. Canalis a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; the tear duct was obstructed; the alimentary canal; poison is released through a channel in the snakes fangs.


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Why do you keep talking about species

... Acanthocephala Thorny headed worms Thorny-headed worms Reversible spiny proboscis about 750 Acoelomorpha Without gut Acoels No mouth or alimentary canal Annelida Little ring Segmented worms Multiple circular segments about 15,300 modern Arthropoda Jointed foot Arthropods Chitin exoskeleton 1,134,000+ ...

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by gamila
Mon Jun 29, 2009 5:35 pm
 
Forum: Evolution
Topic: Why do you keep talking about species
Replies: 20
Views: 574

Natural selection is proven wrong

... but you might find it useful food for thought nonetheless: http://www.catholic.net/index.php?option=dedestaca&id=2708&canal=Life%20%26%20Family&grupo=Life%20and%20Bioethics

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by alextemplet
Sat May 09, 2009 6:08 pm
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16282

Frog Skeleton Help

... Vettigera Vertebral Column Atlas-1 Vertebras 2” vertebrae Urostyle 10th Vertebrae Typical Vertebrae Centrom Neutral Ardp Prezygopoponsis Neutral canal Pozngopophysis Neutral Spine Tranverse Process Pelvic Girdle Allson Leadmon Pudisynaphsia Pectoral Girdle Suprascapula Scapula Clavicle Sternum ...

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by jemokn
Mon Sep 15, 2008 1:58 pm
 
Forum: Zoology Discussion
Topic: Frog Skeleton Help
Replies: 1
Views: 5090

Threats to estuaries

... to consider is the re-routing of inland waterways. Here in Louisiana, the government got the bright idea about fifty years ago or so to dig a canal connecting the Mississippi with the Atchafalaya River. The result was that much of the Mississippi's current was diverted down the Atchafalaya, ...

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by alextemplet
Sun Aug 03, 2008 1:51 am
 
Forum: Ecology
Topic: Threats to estuaries
Replies: 18
Views: 2769

foetus position

in order for a foetus to come out right it needs to be in a certain possition (front legs and head streached and toward the birth canal). the question is how do the foetus "know" the correct possition. is it something like "chemotaksis" to the air as the cervix is open ...

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by Paragonidae
Sun Apr 27, 2008 8:57 pm
 
Forum: Physiology
Topic: foetus position
Replies: 2
Views: 1608
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