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Dictionary » H » Hemolymph

Hemolymph

Definition

noun

(1) The circulating fluid in many invertebrates that is functionally similar to the blood and lymph of vertebrates, and consisting of free-floating cells (haemocytes).

(2) The circulating tissue made up of blood and lymph.


Supplement

Word origin: Greek haîma (blood) + Latin lympha (water nymph).

Variant: haemolymph

Compare: blood

See also: haemocyte, haemocoel


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Re: Blood is always red, never blue.

... clog the excretion systems(be they nephridia, nephrons or whatever). Hemocyanin and other pigments are large enough to float around in the plasma/hemolymph with no ill effects on the excretory system.

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by MrMistery
Tue Apr 22, 2008 8:37 pm
 
Forum: Human Biology
Topic: Blood is always red, never blue.
Replies: 39
Views: 67966

Re: Why can't hemolymph in insects carry oxigen??

Bloodworm is a very generic term, but I don't know of any that are insect larvae - they usually are some type of annelid, which do use oxygen carriers in their blood as the main distribution system.

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by Darby
Thu Jan 17, 2008 11:42 pm
 
Forum: Physiology
Topic: Why can't hemolymph in insects carry oxigen??
Replies: 11
Views: 3828

Why can't hemolymph in insects carry oxigen??

Sometimes hemolymph does carry oxygen - in crustaceans and marine arthropods, it's fairly common. In insects, which often have relatively high metabolisms, an open circulatory system just isn't efficient enough for oxygen distribution ...

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by Darby
Mon Oct 08, 2007 6:23 pm
 
Forum: Physiology
Topic: Why can't hemolymph in insects carry oxigen??
Replies: 11
Views: 3828

Why can't hemolymph in insects carry oxigen??

then, hemolymph can't carry oxygen because of it doesn't contain other respiratory pigments that take role in oxygen transport?? or there's another reason for it?? what's the exact reason?

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by whizzbee
Wed Oct 03, 2007 3:59 pm
 
Forum: Physiology
Topic: Why can't hemolymph in insects carry oxigen??
Replies: 11
Views: 3828

Why can't hemolymph in insects carry oxigen??

hemolymph can't transport oxygen because it doesn't have hemoglobin. is that true?? hmmpphh...

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by whizzbee
Mon Oct 01, 2007 3:51 pm
 
Forum: Physiology
Topic: Why can't hemolymph in insects carry oxigen??
Replies: 11
Views: 3828
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