Questions tagged [surgery]

To employ operations in the treatment of disease or injury, or for experimental purposes. Surgery can involve cutting, abrading, suturing, or otherwise physically changing body tissues and organs.

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Human biology - liver regeneration after laprascopic segmentectomy

I am trying to understand to what extent human patients can regenerate liver mass after laprascopic segmentectomy: what part of liver will be regenerated and how fully. My work with sources is not ...
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Is there any meaningful ratio between the width of a vertebra and its height and depth?

Given the location (i.e. their entry points, but not their trajectories) of two pedicle screws, we are trying to come up with a way to approximate the sagittal distance of the vertebral foramen to the ...
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Laparoscopic surgery: Why did the gas cause pain in my shoulder, and how did it escape my body? [closed]

I recently had Laparoscopic surgery, and the nurse told me I would experience pain in my shoulder and burping as the gas escapes my system. I looked up a bit of information on the "pain in my shoulder"...
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After SRS, does the tissue that was previously the penis develop into actual, differentiated vaginal tissue?

I keep being told othereise, that the redulting "neo-vagina" isn't 'proper' vagina. This site is the only one that gave me a definitive explanation but I would like too see if there are more.
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Remove the baby from the womb

Is it possible to remove the baby from the womb of a mother to cure the baby of a tumor and putting it back in the womb to be delivered naturally (the baby is 6 months)
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Is there a glossary about which infrared (IR) colors which body parts reflect?

I am doing medical research and I'm trying to find parts of the body that look about the same to the human eye, but reflect different "colors" in IR, so that using a light source and a camera of that ...
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Could bone marrow transplants help make xenotransplants viable?

So the immune system doesn't calibrate (for want of a better euphemism) to recognize it's own cells until fairly well along in fetal development & the major components of the immune system (...
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Organ and Bone Marrow Transplantation?

In organ transplantation the transplant is rejected by the body's immune system , but is it possible if along with organ transplant if bone marrow transplantation is carried out from the same donor , ...
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387 views

What type of genetic changes occurs when ovaries or uterus are removed from female body? [closed]

I saw so many women which have present dermoid cysts in their ovaries or uteruses. Doctors operate and mostly the ovaries and uterus can not be saved and the doctors remove the ovaries or uterus. ...
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Is there a simple incision that would render a man impotent?

I’m writing a novel in which two women (one of whom is a doctor) take revenge on a rapist by performing surgery on him. What would be the simplest but most effective way of causing permanent and ...
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Self Grown Organs

Could a viable organ be partially grown in a test tube then be hooked up to the host in some way until it is large enough to swap it with the bad organ? For example: Could a smaller replacement heart ...
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Hematuria due to Nitric Oxide

Drug interactions between properly dosed NO and other medications are not expected, but side effects may include noisy breathing, hematuria, or possibly atelectasis. (pg.no:577; Goodman and Gilman ...
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Could Cannabidiol steady a hand? [closed]

Can Cannabidiol be used to steady shaky or nervous hand for precision work like surgery? I have used it for shooting pool/billiards and I'm not sure if it is a placebo or it is helping? but I am ...
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4 votes
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HOW is the Gallbladder attached to the liver

The gallbladder’s function is to store bile from the liver which is delivered through the cystic (bile) duct. The cystic artery is also connected to the gallbladder to deliver blood. (Correct me if ...
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Why is the body cooled during cardiac surgery?

When undergoing cardiac surgery, the heart is disconnected from the blood circulation and blood is passed through a heart-lung machine and cooled so that the body temperature of the patient is reduced....
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Embolism risk in cancer [closed]

Why is there an increased risk of embolism in any malignancy? I studied that malignancy is a risk factor for pulmonary embolism. Can someone explain me the exact mechanism under which malignancy ...
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Does pre-operational exercise affect recovery from surgery? Statistical Analysis [closed]

https://www.medicaljournals.se/jrm/content/html/10.2340/16501977-2210 I understand the difference between statistical significance and effect size, but I am having trouble interpreting the data on ...
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Kidney transplant and adrenal glands

When a kidney is transplanted from a donor to a recepient does the surgery occur keeping the donor's adrenal gland intact over the kidney or is the kidney minus the adrenal gland over it transplanted ...
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Pneumonia in children after abdominal operations

This textbook says: Consequently, young children are prone to suffer from pneumonia after abdominal operations, because they resist breathing (being abdominal) due to pain. As a result the ...
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2 votes
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Would a hole in a heart make it unsuitable for transplantation?

Would a hole in a heart instantly make it unsuitable for transplantation? Or could it be possible for a heart with a congenital defect to still be suitable for use is someone else's body?
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Are there available fluids that can be used in place of blood to facilitate oxygen and carbon dioxide exchange during major surgery/trauma?

Are there any available fluid alternatives that can be used instead of blood replacement that adequately exchange oxygen and carbon dioxide?
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8 votes
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Do "scars" in humans replace all the skin layers or only some layers?

When someone has a cut or surgical incision that results in a "scar", is the scar tissue replacing all 3 layers of the skin (epidermis, dermis, hypodermis)? Or only the first one or two of them?
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Can skin be removed and replaced so that it maintains its original cellular structure?

The cells in our body that form tissue, such as our skin, are interconnected. I would think that cutting out tissue or trying to repair/replace it, as is done in surgery, or after an injury, could not ...
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Electrode locations for neuron study in stereo EEG?

I am thinking where to put optimally depth electrodes in stereo EEG outside sulci in studying the functioning of neural transmission of N neurons over one perivascular space in rodents, mice or rat, ...
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0.9% Saline or Ringer's Solution for in vivo work

A few of the labs where I currently work routinely use 0.9% saline for in vivo work (washing out debris during surgery, diluting substances for IP/IV/SC injections, etc.) A few years ago I worked in ...
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What happens in lasik operation?

First of all,I am very bad at biology. So please bear if it sounds elementary. I heard about lasik operation for reshaping cornea. Assume the patient is suffering from myopia implying lens is ...
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8 votes
2 answers
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Why don't breast enlargements leave any marks of surgery on breasts?

If we get stitches, we get marks left on the skin, but there are no marks for breast enlargements. I saw a YouTube video about a breast enlargement wherein a doctor makes a cut. Where does the cut ...
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2 votes
1 answer
395 views

Will an 11W UVC lamp kill bacteria?

If I shone a UVC lamp (11W) on something (say for example a plastic phone case) for an hour, would that kill off a noticeable amount of bacteria? That is, if I were to go over the case with a cotton ...
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4 votes
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How much of the jejunum is bypassed during gastric bypass?

There is both long and short limb gastric bypass surgeries (along with several other variations on intestinal bypass procedures). How much of the jejunum is bypassed with a long-limb and short-limb ...
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Is a stab wound to the back lethal? [closed]

How deadly is a stab in the back? Video games, movies, and other fiction would have us believe that a backstab against a foe with a modestly-sized blade leads to immediate and certain death, having a ...
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2 votes
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Does having a total gastrectomy (removal of the stomach) cause individuals to be more prone to infections?

If a patient has a complete removal of his/her stomach (i.e. a total gastrectomy), then does that cause a person to be more prone to infections from eating unsanitary food? I'm asking this question ...
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