Dictionary » T » Tubule



1. A small pipe or fistular body; a little tube.

2. (Science: anatomy) A minute tube lined with glandular epithelium; as, the uriniferous tubules of the kidney.

Origin: F. Tubule, or L. Tubulus, dim. Of tubus a tube, a pipe. A small tube.Pertaining to a small tube-like structure.

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histology about kidney !

HOw can we identify the cell in PCT (proximal convolunted tubule) & decending limb of loop of henle ? Also ,, how can we identify the cell of PST(proximal straighted tubule) & PCT ???

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by ramichow
Thu Sep 13, 2012 4:39 am
Forum: Cell Biology
Topic: histology about kidney !
Replies: 1
Views: 2090

Urine formation

... of antidiuretic hormone, as the name implies, serve to prevent water loss and dehydration, and therefore ADH will reabsorb sodium from the distal tubule, and water will follow by osmosis. Therefore, in the control of ADH, concentrated urine is produced, not dilute urine.

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by aptitude
Wed Nov 09, 2011 2:51 am
Forum: Physiology
Topic: Urine formation
Replies: 7
Views: 8328

Loop of Henle and Vasa Recta

... but there is an active reabsorption of ions like Na+, K+ and Cl- meaning that the solution gets steadily more dilute towards the distal convoluted tubule. Important points here: medulla always has a high osmolarity. Vasa recta keeps salts often due to an active process rather than just diffusion.

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by Babybel56
Wed May 11, 2011 6:07 pm
Forum: Human Biology
Topic: Loop of Henle and Vasa Recta
Replies: 3
Views: 15392

Re: Kidneys and collecting tubule

I think I can help you. Even I had the same question. According to what I know collecting tubule leads to the collecting duct. And the collecting tubule is connected to the Distal convoluted tubule on the other end. That's how it is.

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by Adz795
Fri May 06, 2011 4:56 pm
Forum: Human Biology
Topic: Kidneys and collecting tubule
Replies: 1
Views: 3636

Kidneys and collecting tubule

Hello I might be posting quite regularly as I am doing my revision for physiology :) I am just wondering about the collecting tubule, is it the same as collecting duct or is it somehow part of it, or could that relate to distal convoluted tubule? I would very much appreciate if anyone ...

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by snezka18
Fri May 06, 2011 4:37 pm
Forum: Human Biology
Topic: Kidneys and collecting tubule
Replies: 1
Views: 3636
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