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Questions tagged [tissue-repair]

The tag has no usage guidance.

-1
votes
1answer
72 views

Does bone smash or smash bone theory work? [on hold]

Bone smash theory is the theory that damaging bones increases bone mass over time. For example, one can moderately strike parts of their bones with blunt objects/weapons like a hammer or etc. to ...
6
votes
1answer
74 views

Why do obese people heal more slowly?

I recall an obese patient who was referred to a transplant clinic as his stitch wounds hadn't healed after a year. While there's a myriad of side effects caused by immunosuppressive medication after ...
1
vote
0answers
26 views

How are negligibly senescent animals dealing with senescent cell buildup?

Well known animals like the rougheye rockfish, which can be bought from the fish market, appear to be negligily senecent. Senecent cell buildup appears to play a key role in senecence, in mice at ...
12
votes
1answer
953 views

If cells regularly renew, why do we have scars?

Question may sound bit poetic but I have a pretty basic question here: Often we get a minor wound and cells renew and quickly "cover" it. But when we have deeper wounds, often they leave behind scars. ...
2
votes
1answer
71 views

Cartilage regeneration

Why can we not regenerate cartilage in our ear and nose, while bones and flesh can heal? What makes it so resistant to regeneration. Can we artificially create it in the lab?
2
votes
1answer
58 views

Why do we get scars?

Feeling the hardened tissue of a scar on my head I wondered what the purpose of that scarring is, such skin scars are pretty harmless but from what I understand internal scarring can cause major ...
4
votes
0answers
47 views

What are necessary parameters for a tissue scaffold to be biodegradable?`

I am a mechanical engineer with little biological experience, but I have recently been looking at tissue scaffoldings. My current understanding is as follows, but may be flawed. I would appreciate ...
2
votes
1answer
988 views

Why do some people burn and others tan?

Connected to What is happening when we get a tan? - Why do some people burn while other people tan? Very pale people tend to just burn while other people tan very nicely, what causes this difference? ...
11
votes
3answers
7k views

What is happening when we get a tan?

Almost everyone nowadays wants that nice summer tan, but what exactly is going on beneath the skin? I've heard a few different theories about tanning - such as a tan is nothing but the pigmentation in ...
11
votes
6answers
3k views

What is the use of eye banks, if eyeball transplants do not exist at present?

Corneas are donated and transplanted, but not the eyeball. I don't understand. What is the purpose of donating a cornea without an eyeball to a blind person?
3
votes
3answers
34k views

If the top epidermal layer is burned away, what is it replaced with?

If the squamous (top) layer of epidermis, or skin, is burned or damaged in another way, will it then be replaced by the next layer of below? Also, from where does the basal membrane originate? Does ...
4
votes
1answer
737 views

How are blood vessels affected by UV and infrared radiation?

The lining of the blood vessel as an interface and boundary layer is of existential necessity to the life-support of mammals. My question is: How are major blood vessels and the blood vessel lining ...
-3
votes
1answer
2k views

How does protein help to cure wound? [closed]

I understand that the protein helps to repair body tissues. If I increase the intake of protein, would it help to cure the wound more quickly? I would like to know how does the protein reaches the ...
19
votes
2answers
17k views

Possible? When a pregnant woman suffers an organ damage, fetus would send stem cells to the damage organ to help repair it?

I am quite sure that there is this blood-placental barrier between the mother and the baby so that nothing (except a type of antibody) can pass through it. But I remember reading somewhere that when ...