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Questions tagged [human-anatomy]

This tag is for questions about the general anatomical features of human beings as opposed to the anatomy of non-human animals.

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Bone age And Height [on hold]

My bone age is 9-10 years old i m 20 years old I want to ask will my height increase ? I really want to grow my height is 4'11.5 I m so worried about it plz help and suggest me natural ways to ...
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1answer
72 views

How correlated are the lengths of tendons in different part of a human body?

How correlated are the lengths of tendons in different part of a human body? E.g., if the we consider two humans, A, and B. Human A has a patellar tendon of length 2 cm, and human B has a patellar ...
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0answers
12 views

For how long can the heart be in asystole and then restart itself?

The medication Adenosine is used for the treatment of some abnormal heart rhythms. However, according to Wikipedia, it can cause asystole for a few seconds: Because of the effects of adenosine on ...
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1answer
10k views

Why does the ring finger not move independently?

Why is it that we need to move little finger in order to move ring finger with it? For example, put your palm on a table and fold your middle finger inside. You won't be able to move your ring finger ...
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1answer
38 views

Passing out from drowning [closed]

How long does it take to pass out from oxygen deprivation? The person is panicked and screaming so they accidentally breathe water into the lungs. So how long would it take for them to pass out? After ...
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2answers
9k views

Do women tend to have longer legs and shorter torsos than men?

I've always heard that women tend to have a greater leg length to torso length ration than men, and I think that my anecdotal observations of pedestrians of both sexes tend to confirm that. However, ...
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0answers
14 views

For each movement performed by both the gluteus minimus and medius, what percentage of the movement do the gluteus minimus and medius account for?

From what I read on Wikipedia, all functions of the gluteus minimus are mirrored by the gluteus medius. Additionally, the gluteus medius is larger than the gluteus minimus (see comparative images here)...
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1answer
769 views

What is the distance between the insertion of the distal end of the bicep tendon and the head of the radius?

I was unable to find a source that could provide a measurement for the distance between the insertion of the distal end of the bicep tendon and the head of the radius. Does anyone know a source that ...
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1answer
24 views

Does a full tear of the gluteus minimus tendon has any functional implications?

From what I read on Wikipedia, all functions of the gluteus minimus are mirrored by the gluteus medius. Additionally, the gluteus medius is larger than the gluteus minimus (see comparative images here)...
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1answer
31 views

Does a full tear of the gluteus minimus tendon result in a long-lasting inflammatory response?

Does a full tear of the gluteus minimus tendon result in a long-lasting inflammatory response? This answer mentions: An isolated gluteus minimus tear still causes functional problems because of ...
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2answers
6k views

Are tendons and ligaments classified under the muscular or bone system?

Are tendons and ligaments classified under the muscular system or the bone system? Basically they are not bones or muscles and that's why I have doubt.
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2answers
3k views

Where can I find the list of all tendons in the human body?

https://www.healthcentral.com/article/aging-can-take-major-toll-on-womens-tendons (mirror) claims that: There are about 4,000 tendons throughout the body. This claim is echoed by a fair amount of ...
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1answer
1k views

What are the side-effects of long-term liquid breathing?

I just saw a recent Physics question that mentioned liquid breathing (which I had never heard of before) and I started to wonder about its long-term effects. Let's imagine a person underwent liquid ...
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1answer
26 views

How many different states can the femur and lower limb be in?

Often the knee can be thought of as a hinge joint. However, when it flexes, the knee permits the lower leg to rotate. So it is not a pure hinge joint in absolute sense because it permits more range of ...
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Does any tendon in the human body receive a high amount of blood supply?

I read on https://www.physiocomestoyou.co.uk/blog/all-you-need-to-know-about-tendons/ (mirror): [Tendons] do not have a large blood supply. Does any tendon in the human body receive a high amount ...
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1answer
22 views

What's the subpatellar tendon?

I read in Thomas Myers book Anatomy Trains: Although the muscles themselves have attachments within the anterior compartment to the tibia, fibula, and interosseous membrane, the next station ...
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0answers
24 views

Is the morphology of the insertion of the gluteus minimus to the greater trochanter acquired or innate? If acquired, what are the factors?

{1} noted two different morphologies for the insertion of the gluteus minimus to the greater trochanter: Two morphologies noted: The majority (11/14) were long, thin, and crescent shaped and ran ...
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58 views

Could an uncut umbilical cord benifit a baby?

How long and would there be any benefit like adding an IV line to the uncut umbilical cord after a baby is born? Can keeping the umbilical cord attached (and for how long) be beneficial or harmful ...
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37 views

What is the purpose of brow ridges in primates?

What is the purpose of brow ridges in primates? Why are they universal in anthropoids but not prosimians? Why don’t humans have them? How do they affect perception, notably vision? Do they protect the ...
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0answers
28 views

What is the significance of different types of papillae present on tongue?

Fungiform, Circumvallate, Filiform, Foliate Papillae are present on the surface of the tongue. They have a role in increasing surface area for taste buds that can be accommodated on the tongue. Each ...
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1answer
104 views

Why we can't feel our internal organs? [closed]

We have lungs,kidneys, stomach etc.But why we can not feel them consciously?
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4answers
19k views

Can any other animal choke on food?

I read somewhere (I think it was Bill Bryson's book on the origins of the English language) that of all animals, we are the only ones that can choke on food (having something to do with how our larynx ...
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0answers
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Is occipital ridge a synonym for the inferior nuchal line?

I'm reading different sources about anatomy and it seems to me like occipital ridge is a synonym for the inferior nuchal line but I'm not sure. Is it, or does the term occipital ridge refer to a ...
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0answers
59 views

Do cells in healing ligaments or tendons have deformation processes? If so, what are they?

I am trying to better understand how non-muscle tissue in the muscuoloskeletal system heals. Specifically, I am interested in how ligaments or tendons heal once torn. I read the following text: ...
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3answers
917 views

Is there any stem cell or biogel method that exist for muscle and tendon lengthening?

Is there any stem cell or biogel method that exist for muscle and tendon lengthening? It is known that height surgery is limit to six inches with two surgeries and three inches each, it is also true ...
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1answer
291 views

Why is the central tendon of diaphragm called a tendon?

Why is the central tendon of diaphragm called a tendon when it does not connect the diaphragm to any bone?
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0answers
34 views

Is the tendon width determined by genetic predisposition, and if so, is genetics the sole factor?

Tendons' widths vary widely across humans. E.g.: {1}: "the mean patellar tendon width was 26.10mm (SD = 3.31; range 18.33mm-33.33mm)" {2}: "Size of the patellar tendon width, measured at the same ...
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0answers
11 views

How does shoulder rotation work when the arm is overhead?

Anatomy references state that the humerus is externally rotated by infraspinatus, and teres minor, and internally rotated by subscapularis. All the illustrations I can find of these muscles have the ...
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1answer
73 views

Where does the gluteus medius attach to the greater trochanter compared to the gluteus minimus attachment?

Where does the gluteus medius attach to the greater trochanter of the femur compared to the gluteus minimus attachment? Is it above, below, next to it, etc.? Ideally I'd like to know the distance as ...
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1answer
155 views

Are there certain symmetric-pair muscles that are slightly bigger and NOT due to handedness?

Ok, hear me out, I was just thinking about an article in Nature I read in the past titled "Scrotal asymmetry in man and in ancient sculpture"$^{\dagger}$ and more recently an entire medical textbook ...
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1answer
22 views

Is “muscular attachment” synonymous to tendon? (when talking about the insertion of glutei medius and minimus to greater trochanter of the femur)

I have read the following two terms in an MRI report (both points refer to the insertion of gluteus medius/minimus to greater trochanter of the femur): mild degeneration of the muscular attachment ...
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2answers
37k views

Difference between Appendix and the Cecum?

What's the difference between an appendix and a cecum, and what are their functions?
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25 views

Why different people have different Sympathetic reaction

We all know that sympathetic mechanism is similiar in humans . Why people react differently for example one may ran after seeing a lion while other may keep standing or may shout without escaping ?
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1answer
79 views

Do the left half and right halves of the diaphragm undergo the same displacement during breathing?

Do the left half and right halves of the diaphragm of a normal person move exactly the same distance between inhaling and exhaling?
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1answer
101 views

Prostate, seminal vesicles or testis which one is bigger(by volume and size)? [closed]

I can't understand this by looking at these photos, especially the last picture makes me more doubtful. Do you know which of them is the biggest one by volume? Another question is, what is the ...
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2answers
270 views

What is the difference between “hamstring tendon” and “common hamstring tendon”?

What is the difference between "hamstring tendon" and "common hamstring tendon"? I have seen both terms being used but I don't know whether they referred to the same tendon. For example, Johnson, ...
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0answers
12 views

How do viable sperm persist for weeks?

Tests on men who have undergone vasectomies show viable sperm in their ejaculate weeks and dozens of ejaculations after ligation of their vas deferens. How is this possible? How long does a ...
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1answer
607 views

Why hand washing causes skin to dry?

This seems counter intuitive: dry hands mean low humidity, so why when humidity is increased, by washing hands, they become even more dry, eventually? In particular, why such hand dryness is usually ...
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1answer
3k views

Are males taller than females in humans?

Is there any scientific evidence that in humans males are taller than females? And if so, what is the reason that they are taller (please include genes or hormones that accounts for human growth and ...
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1answer
49 views

How atom works and it's different from DNA? [closed]

I am studying atoms recently because I am writing a short story and the characters would talk about it for a bit. And I wish it's scientifically accurate. So I read a lot of articles about the atom ...
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0answers
155 views

What's a “constitutionally small penis”?

I'm reading some urology papers and came across one involving penis growth (Kim & Song, 2008); here's an intro passage that I'm confused about: A total of 58 patients with constitutionally ...
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0answers
611 views

Does the humeroradial joint move medially/laterally?

The humeroradial joint is a ball-and-socket joint that, if unrestricted, would allow for movement around all possible axes. However (as succinctly stated from Wikipedia): the annular ligament, by ...
277
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3answers
249k views

Why do I only breathe out of one nostril?

I was just sitting with my hand next to my nose and I realized that air was only coming out of the right nostril. Why is that? I would think I would use both, it seems much more efficient. Have I ...
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2answers
2k views

Terminology for parts of the leg

Going out on a limb here (pun intended)...I'm writing a paper in which I need to refer to various sections of the human leg from upper thigh to knee to calf and ankle. However, "calf" covers a fairly ...
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0answers
11 views

What soft tissue separates bones of toes?

I need to know a little about the "knuckles" of toes; specifically the 4 areas that separate the 5 proximal/metatarsal joins. I'd like to know the terms for areas that might be damaged if the width ...
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1answer
14k views

Why don't we have hair on palms?

We have hair all over the body except palms. What is the biological reason behind this?
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1answer
16k views

How large is the variability in human bone thickness, and is “big boned” a real thing or not?

My girlfriend is arguing that there are "big boned" people, I read some articles that there is no such thing but she still didn't believe in me because she saw some articles too that big boned people ...
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1answer
38 views

Have there been new discoveries concerning the perception of taste for the last 10 years? [closed]

What are the last discoveries concerning the perception of taste for the last 10 years? We discovered the 5th flavour: umami. Also the 6th and 7th: oleogustus and starchy. Anything else? Maybe in ...
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2answers
98 views

How is breathing involuntary if the muscles that control it are skeletal?

How is breathing involuntary if the muscles that control it are skeletal? Breathing is involuntary. However, the muscles that control it are skeletal: intercostal muscles and the diaphragm. Are there ...