Dictionary » P » Pinocytosis

Pinocytosis

Definition

noun

A process of taking in fluid together with its contents into the cell by forming narrow channels through its membrane that pinch off into vesicles, and fuse with lysosomes that hydrolyze or break down contents.


Supplement

It is the process of cells to ingest extracellular fluids (ECF) or the surrounding fluid, but not very specific in the substances or dissolved particles that it absorbs.


Word origin: pin: G. pín(ein) to drink + cyte: G. kutos, hollow vessel + -osis: expressing state or condition.
Related forms: pinocytotic (adjective).
Synonym: cell-drinking, fluid endocytosis.
Compare: phagocytosis.
See also: endocytosis, plasma membrane.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Re: Please help me about pinocytosis

It may be that the cell releases certain enzymes that tell the cell it needs to accomplish pinocytosis when certain molecules are around. For example, when cells are receiving messages from the brain, enzymes are sent along with it to initiate pinocytosis so the cell ...

See entire post
by monstermonster456
Sat Nov 12, 2011 2:05 am
 
Forum: Cell Biology
Topic: Please help me about pinocytosis
Replies: 13
Views: 6705

Re:

... answer is simply that it doesn't choose. Jack, it could be considered misleading. In the question, there is what seems to be a premise , given. In pinocytosis, how can cells choose... So the correct answer 1/ would be similar to what you answered, ( but a bit more explicit as to the circumstance ...

See entire post
by Crucible
Fri Nov 11, 2011 10:56 am
 
Forum: Cell Biology
Topic: Please help me about pinocytosis
Replies: 13
Views: 6705

Re: Please help me about pinocytosis

... A bit tired this morning ! It's "Receptor-Mediated Endocytosis". That process. So what the thread author asked is how the cell, in pinocytosis, differentiates the stuff it needs from what it does not. And it seems that description best suits "Receptor-Mediated Endocytosis". ...

See entire post
by Crucible
Fri Nov 11, 2011 2:58 am
 
Forum: Cell Biology
Topic: Please help me about pinocytosis
Replies: 13
Views: 6705

Please help me about pinocytosis

as Mona said, pinocytosis is kind of endocytosis. However, I was wrong with the receptors, since pinocytosis is nonspecific.

See entire post
by JackBean
Thu Nov 10, 2011 8:36 pm
 
Forum: Cell Biology
Topic: Please help me about pinocytosis
Replies: 13
Views: 6705

Re: Please help me about pinocytosis

Pinocytosis is a type of endocitosis. Endocytosis can be FAGOCYTOSIS (when cell "EAT" something) and PINOCYTOSIS (when cell "DRINK" something) - when cell is taking needed substances with a 'fluid drop'. ...

See entire post
by Mona09506
Thu Nov 10, 2011 8:17 pm
 
Forum: Cell Biology
Topic: Please help me about pinocytosis
Replies: 13
Views: 6705
View all matching forum results

This page was last modified 10:14, 6 July 2008. This page has been accessed 187,742 times. 
What links here | Related changes | Permanent link