Talk:Kidney

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Some histological pictures should be added here

What is the medial aspect? -- HJH

This is wrong: "kidneys weigh about 150 grams. Kidneys are 0.5% of a person's body mass". This would lead to a person weighing 15 kg (33 lbs), or 30 kg (66 lbs) if the first statement refers to individual kidneys and the second to their combined mass. I'd suggest to either strike this or replace it with a verifiable (preferably footnoted) figure (which I do not have available, or I'd do it myself). - André

From Kidneys:

Kidneys are one of the most important organs of the body. A pair of kidneys lie in the abdominal region. The kidneys are bean-shaped structures. They consist of nephrons, individual units. Each nephron consists of Bowman's capsule, which includes glomerulus, comprising of afferent and efferent arterioles. this is followed by proximal convoluted tubule, Henle's loop and distal convoluted tubule, leading to the ureter. the uerter leads into urinary bladder where the urine is collected and stored temporarily.

With the processes like, filtration, absoprtion and secretion, taking place at the glomerulus, henle's loop and distal convoluted tubule respectively, the kidneys produces urine which needs to be excreted as it is toxic.

Just a note in the Plasma Volume section. "A lack of water causes the posterior pituitary gland to secrete antidiuretic hormone, which results in water reabsorption and an increase in urine concentration."

It is an increase in the osmolarity of the blood, detected in the hypothalmus, which causes the the release of ADH, not simply a lack of water (assuming it refers to plamsa volume?). A large hemorrhage would not cause ADH to be released.

Contents

[edit] Who has kidneys?

Does someone know which groups of animals have kidneys, do all vertebrates have some? Of course I'm not only asking for myself, this should be added to the text. :o)

Aragorn2 17:30, 20 Sep 2003 (UTC)

[edit] To do

  1. someone to write up more on the structure and function of each part of the nephron
    • IMO, this belongs at Nephron, where, incidentally, most of this information can already be found. --David Iberri | Talk 23:29, Nov 4, 2004 (UTC)
  2. more detail on anatomy of the kidney
  3. physiology of the kidneys (e.g. control of renal function, control of pH and so on) - can be folded into structure, I suppose
  4. include information on non-mamalian kidneys
  5. animal kidneys as food. --84.58.42.75 06:49, 17 July 2005 (UTC)
  6. much better diagram - one with readable labels --GrimRC 86.4.53.107 14:57, 29 May 2006 (UTC)
  7. Kidney development, more than likely a separate article.
    • Done, but more details are needed. I agree that a separate article is necessary. --David Iberri (talk) 18:38, 6 December 2006 (UTC)
      • There is Kidney development, but it's pretty rough. --Arcadian 05:36, 7 December 2006 (UTC)
        • Blast, I wish I'd looked for that first. :-) I'm trying to address WP's lack of embryo coverage, so I'll see what I can do with the article in the next couple days. Thanks for pointing it out. --David Iberri (talk) 05:39, 7 December 2006 (UTC)

-- Serephine ♠ talk - 13:17, 19 June 2006 (UTC)

Please feel free to edit this list as necessary. --Alex.tan 09:22, 22 Sep 2003 (UTC)

[edit] Questionable References

  1. Just wanted to say that I Removed a line about having multiple kidneys because the source was extremely questionable. (The magazine cited was a russian tabloid that also talked about UFOs, celebrity citings, cyclops babies, etc...I forgot to put an edit summary. (cur) (last) 08:56, 16 March 2007 Vihsadas (Talk | contribs)

[edit] EDIT THIS

Do edit this article soon!!!!!!!!!!!! Soilguy6 19:45, 4 Nov 2004 (UTC)

"In soviet block satellite states, hemodialysis was introduced primarily because of the need to aviod international scandal and provide some means of survival for political dissenters, who lost kidneys due to secret police beatings."

Is there a source for this? --JWSchmidt 13:30, 5 November 2005 (UTC)

[edit] Edits to come

I will edit and expand on some of this stuff...it lacks on the actual function of hte kidney. -ari

You mean functionS? JFW | T@lk 15:06, 4 December 2005 (UTC)
You're incorrect. There is a good paragraph on "function". What do you mean? JFW | T@lk 15:07, 4 December 2005 (UTC)
JFW, don't feed the troll. Alex.tan 23:28, 4 December 2005 (UTC)

[edit] Kidneys are edible...

This article lacks any discourse on the kidney as a foodstuff, e.g. in steak and kidney pie. Can anyone oblige? 217.155.20.163 00:57, 22 December 2005 (UTC)

You, perhaps? JFW | T@lk 13:31, 22 December 2005 (UTC)
  1. Cannibalism
  2. Steak and kidney pie isnt made from human--203.53.201.11 01:38, 31 August 2006 (UTC)
Indeed well prepared kidneys (I think from cow or pig) are good food. Neccessary step is to cook them for hour or so to get the taste of urine disappear - there was some specific cooking term for this process. There is finnish traditional food "Karjalan Paisti" - roughly "Karelian steak" wich is meat soup with liver, kidney, heart, and normal meat.
Well it took almost a year but I came along and added a little section on Kidneys as food. -- 125.238.58.85 08:15, 17 December 2006 (UTC)

[edit] What about the number of kidneys

I was born with one [left one, not horseshoe] and no problems so far. Can people have more than two? It doesn't seem like the number of brains or hearts varies much. Or bladders for that matter. Why kidneys?

Well I've never heard of more than 2 kidneys in humans, but if you look at all the people donating kidneys you'll see that the remaining kidney can function quite well by itself - as I'm sure you're aware. The other one will compensate to a large degree. I think you'll find that this is the reason why people can vary in their number of kidneys - 2 kidneys aren't essential, 1 kidney is essential, 1 heart is essential, 1 brain is essential -- Serephine ♠ talk - 13:22, 19 June 2006 (UTC)

More than two kidneys can occur in humans I believe...just let me look through pubmed for a source. However, I recently removed a line that stated that same fact because the source that was given was a russian tabloid. If I find the source, I'll add a line about it. Vihsadas 17:30, 17 March 2007 (UTC)

[edit] Damage, protection

Surprised to see no mention of kidney protection from movement (motorcycling) or damage in fights/sport. --Snori 19:16, 31 July 2006 (UTC)

I think I'll add a little note about the kidneys being prominent targets in martial arts. --GenkiNeko 18:19, 20 November 2006 (UTC)
... on second thought, I can't see where to insert such a note. Hmm. It -is- a significant aspect of the kidney (the term "kidney punch" is one I'm sure we've all heard), but I'm not sure how to best note it within the present structure. --GenkiNeko 18:22, 20 November 2006 (UTC)

We know that one kidney in us is ok but what can happen from having a damaged kidney in the body? Infection? Lots and lots of pain?

Adding a line about the idiomatic expression 'kidney punch' would be fine, but since the kidneys are retro-peritoneal organs, they are very heavily encased in back flesh and fat. They are located high up and the top is protected by one rib. All of these factors make kidneys very, very hard to traumatize by blunt force. I would imagine that the idiomatic expression 'kidney shot' is more just an expression that doesn't have much physiological merit. -- Vihsadas 17:32, 17 March 2007 (UTC)

[edit] Gastronomy

I agree with one of the previous comments : this excellent article needs a complement about kidneys in gastronomy. Lamb or veal kidneys are commonly used in Europe and probably other parts of the world, as well as pig; of couse, kidneys are also eaten in poultry or rabbit. I am not an expert myself, maybe refer to the French Wikipedia, there must be something about "rognons" (we do not say "reins" in French when we eat them)

[edit] Weight

In a normal human adult, each kidney is about 10 cm long, 5.5 cm in width and about 3 cm thick, weighing 150 grams [3]. Kidneys weigh about 0.5% of a person's total body weight.

If they are 0.5% of total body weight, a normal human adult must weigh 30kg, which must be under half the actual normal weight. Richard001 22:11, 7 February 2007 (UTC)

Recheck your math. Half of one percent (0.5%) of normal body weight (70 kg) is 0.35 kg or 350 g. --David Iberri (talk) 00:01, 8 February 2007 (UTC)
Yes, I didn't pay close enough attention to the wording, it makes perfect sense with the plural. All the same I'll reword it just so make it clear. Richard001 02:03, 8 February 2007 (UTC)
Sounds like a good idea. Cheers, David Iberri (talk) 02:17, 8 February 2007 (UTC)
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