7
votes
Accepted
Why do I feel small stings all over my body in stress?
Paresthesia Anxiety Symptoms -- seems like the term/condition you are looking for (though I am not a doctor and am not diagnosing you as such -- I'm just trying to inform you of the term you might be ...
- 2,393
6
votes
Accepted
Could a nerve agent be used recreationally?
Okay, this is the closest you're going to get to a "military grade" nerve agent that elevates your mood: using botox as an antidepressant.
Botulinum toxin A (botox) is a nerve agent. In fact, it's ...
- 775
6
votes
Could a nerve agent be used recreationally?
"Recreational drugs" have "psychotropic effects," which means they affect the mood and perception of stimuli in the brain. Both alcohol and heroin are psychotropic drugs. Alcohol acts mainly on the ...
- 15.8k
4
votes
Accepted
Why do ventricular action potentials have no local potentials like neuronal action potentials?
Short answer:
The time scales in your two diagrams are different by a couple orders of magnitude. There's something like a "local potential" in the second trace, it's just so steep you can ...
- 13.8k
3
votes
Accepted
Supracondylar Fracture to the Humerus
Nerve injury in supracondylar fractures of the humerus
Supracondylar fractures of the humerus are the most common type of elbow fracture in children.
Both median and ulnar nerve injury can occur ...
- 3,283
3
votes
Which part of the body has the most nerve receptors?
If we are talking about Tactile corpuscle or Meissner's corpuscles and Lamellar corpuscle it would be the fingertips followed by lips.
I did not find a reference in English, only a German:
Die ...
- 354
3
votes
Accepted
Why is a tonsillectomy (tonsil-removal) typically more painful the older you are? Are the the pain nerves more advanced?
After removal of tonsils, most adults
have significant pain for 10 -14 days, some up to 3 weeks. Because
adults & teenagers have larger tonsils and more developed throat muscles, pain and ...
- 146
3
votes
Accepted
Recurrent schwannoma implications?
Neurofibromatosis comes in three forms, one of which is called "Schwannomatosis". It usually develops in the patient's 20s or 30s and is characterized by people developing schwannomas.
The most ...
- 6,982
2
votes
Accepted
Can optic neuritis be recovered 100%?
There's no reason to expect a full recovery within a short period of time. Optic neuritis takes some time to heal - if it does - and usually leads to effects lasting for months or longer. Many studies ...
- 1,848
2
votes
Accepted
What is neurofibromatosis?
In essence, neurofibromatosis is a disorder that makes nerve cells grow out of control and develop tumors. These tumors can be anywhere nerve cells are, so in the brain, spine, etc. Tumors, to most ...
- 6,982
2
votes
Which part of the body has the most nerve receptors?
The largest organ in your body does -- the skin.
The most sensitive area would be any distal (meaning the farthest away) extremities. Areas that require fine control (such as dexterity). Your ...
- 1,109
2
votes
Accepted
How to know if a person has seizures?
What are we to say?
This is a very delicate issue, and misjudgements from us could lead to severe consequences.
Let's assume that the person does in fact suffer from seizures and the SE-Community ...
- 6,772
2
votes
How to differentially diagnose continuing sciatic pain given this existing information?
DIFFERENTIAL DIAGNOSIS
Differential diagnosis in an adult man with a unilateral pain in the gluteal area lasting for over a year and not worsening, without a history of trauma, infection or ...
- 15.8k
2
votes
Which nerve inflammation can affect vision other than the optical nerve itself?
The vision can be sharp when the light is focused exactly on the retina, not in front or behind it. This is enabled by the constant eye bulb length and the ability of the lens to accommodate to near ...
- 15.8k
2
votes
What could be a reason for absence of near reflex in eyes
I think you are mistaking accomodation (pupil movement) for convergence (eyeball movement). Pupils can constrict and dilate by motion of ciliary muscles, but any other movement is movement of the ...
- 5,784
2
votes
What are normal values for EMG/nerve conduction studies?
This paper might be of interest to you (1)
They have attempted to summarize together a table of the values for the common upper and lower limb nerves including both sensory and motor.
It is quite ...
- 176
2
votes
Could a nerve agent be used recreationally?
Contra to Jan's answer, "so they do not have psychotropic effects"... actually they do. First, acetylcholine is a CNS neurotransmitter as well. Second, nerve agents aren't that selective (like many ...
- 5,968
1
vote
Why do we use mEq/L instead of mmol/L to quantify physiological electrolytes?
Good question! When calculating electrolyte activity, mEq is more accurate, because electrolyte activity depends on the amount of charge present.
But we still use mmol/L, because mEq = mmol when the ...
- 11
1
vote
Which part of the body has the most nerve receptors?
If you want to build a vibrator, you need to look for erogenous zones, not just sensitive zones
An erogenous zone (from Greek ἔρως, érōs "love" and English -genous "producing" ...
- 6,772
1
vote
Sensitization and Energy Crisis in Myofascial Pain Syndrome
A chain of events that leads to release of sensitizing substances, according to
Dry needling — peripheral and central considerations (PubMed Central, 2011):
...muscle pain would cause spasm of ...
- 15.8k
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