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6
votes
1answer
126 views

How are bones growing, if bones are not connected to the brain?

If the bones are not connected to the brain, how is their growth controlled? This question is not a duplicate of the question Mechanisms of bone growth, as this question deals with how bone growth is ...
2
votes
1answer
48 views

Why do our epiphyseal plates close up in our late teens or early twenties?

What causes our epiphyseal plates close up in our late teens or early twenties? I realize that one's genetics plays the main role in this. I assume there is a gene that controls the epiphyseal plates ...
3
votes
1answer
53 views

Mechanisms of bone growth

The length of a bone is caused by growth of hyaline cartilage which is then replaced by bone tissue. How do cells know whether they should grow the hyaline cartilage? What are the key molecules that ...
1
vote
1answer
43 views

What Causes Shin Splints? [closed]

My shin splints are clearly tied to running. Though the pain level doesn't seem to correlate to my running intensity. So what is it about running that causes shin splints? My real hope is that if I ...
7
votes
1answer
345 views

What happens to bones that do not heal?

I would like to know the steps the body takes to heal a broken bone and what happens if it cannot heal properly. I am not looking for advice or explanations on resting and not doing activity, I am ...
2
votes
2answers
68 views

Can a broken thumb/finger bone not require realignment of the bone?

Is it possible that a finger/thumb bone fracture is so superficial, that the doctor does not need to realign (re-set) the bone before applying the cast? Or does it always require for even a ...
30
votes
2answers
3k views

Why does cracking a joint make noise?

What causes the noise when you crack a joint? Is joint cracking harmful?
5
votes
1answer
36 views

Braquio-abduction illusion explanation and references

Illusion: Lying down on a hard flat floor move arms up and down (as when doing a snow angel) while keeping them touching the floor. While repeating it a few times the floor begins to appear concave, ...
3
votes
3answers
132 views

Do skull bones have pain nerves (nociceptors)?

I recently attended an awake brain surgery for deep brain stimulation and it seemed to me that only the skin surrounding the drilled hole got local anaesthesia. I know that the brain itself does not ...
0
votes
1answer
51 views

Can skin become denser?

I heard that after injury or repeated damage bone becomes denser, can skin become denser as well?
2
votes
0answers
37 views

Questions regarding Scapulohumeral Rhythm

I'm actually an artist, but I wanted to ask this because it will help a lot in my figure drawings. My artistic anatomy teacher taught me about the Scapulohumeral Rhythm. He said that in during the ...
1
vote
0answers
35 views

zygomatic fracture and orbital [closed]

Might a zygomatic fracture create problems in eyes orbit ?
0
votes
1answer
84 views

what these suffixes mean,-coel,-blast,-cyst? [closed]

in the connective tissue (Bones) we have 3 types osteoblast, osteocoel,osteocyst what are they and why they differ.
2
votes
1answer
26 views

How do processes of one osteocyte establish contact with processes of the adjacent cells within the mineralized matrix?

Are the processes and canaliculi formed and contacts established after the osteocytes are embeded in the matrix or are they formed during the embedding process itself. Is there any evidence to suggest ...
6
votes
1answer
553 views

Cat purring: What are some possible underlying mechanisms behind purring and bone remodeling and formation?

http://www.scientificamerican.com/article.cfm?id=why-do-cats-purr The article above says that cats purr mostly when they're wounded or under duress. They hypothesis that cats purring leads to ...