Anatomy & Physiology B/C

sciolyFTW_aku · Post by **sciolyFTW_aku** » March 18th, 2016, 8:40 am

Uber wrote:Think of 3 ways to stop or weaken a muscle contraction.

Could you specify what you are looking for because there would a lot of ways to weaken a contraction, such as releasing acetylcholinesterase, myastenia gravis, etc.

Uber · Post by **Uber** » March 18th, 2016, 9:49 am

sciolyFTW_aku wrote: Could you specify what you are looking for because there would a lot of ways to weaken a contraction, such as releasing acetylcholinesterase, myastenia gravis, etc.

Idk. I can't think. Good job your turn.

sciolyFTW_aku · Post by **sciolyFTW_aku** » March 19th, 2016, 6:39 am

Ok then.

Question (Click to Show Hidden Text)

What is the distance between the presynaptic axon and the motor endplate at the neuromuscular junction?

bhavjain · Post by **bhavjain** » March 19th, 2016, 7:48 am

sciolyFTW_aku wrote:Ok then.
Question (Click to Show Hidden Text)
What is the distance between the presynaptic axon and the motor endplate at the neuromuscular junction?

Answer (Click to Show Hidden Text)

The synaptic cleft is the region between the presynaptic terminal and postsynaptic membrane.

sciolyFTW_aku · Post by **sciolyFTW_aku** » March 19th, 2016, 3:30 pm

bhavjain wrote:
sciolyFTW_aku wrote:Ok then.
Question (Click to Show Hidden Text)
What is the distance between the presynaptic axon and the motor endplate at the neuromuscular junction?
Answer (Click to Show Hidden Text)
The synaptic cleft is the region between the presynaptic terminal and postsynaptic membrane.

You are correct, but I was asking for the exact distance between the presynpatic terminal and motor endplate, with units.

watermydoing14 · Post by **watermydoing14** » March 20th, 2016, 5:51 pm

sciolyFTW_aku wrote:
bhavjain wrote:
sciolyFTW_aku wrote:Ok then.
Question (Click to Show Hidden Text)
What is the distance between the presynaptic axon and the motor endplate at the neuromuscular junction?
Answer (Click to Show Hidden Text)
The synaptic cleft is the region between the presynaptic terminal and postsynaptic membrane.
You are correct, but I was asking for the exact distance between the presynpatic terminal and motor endplate, with units.

Answer (Click to Show Hidden Text)

~ 20 nm

sciolyFTW_aku · Post by **sciolyFTW_aku** » March 21st, 2016, 1:23 pm

watermydoing14 wrote:
sciolyFTW_aku wrote:
bhavjain wrote:
Answer (Click to Show Hidden Text)
The synaptic cleft is the region between the presynaptic terminal and postsynaptic membrane.
You are correct, but I was asking for the exact distance between the presynpatic terminal and motor endplate, with units.
Answer (Click to Show Hidden Text)
~ 20 nm

Close, but not quite...

bhavjain · Post by **bhavjain** » March 21st, 2016, 1:43 pm

sciolyFTW_aku wrote:
watermydoing14 wrote:
sciolyFTW_aku wrote:
You are correct, but I was asking for the exact distance between the presynpatic terminal and motor endplate, with units.
Answer (Click to Show Hidden Text)
~ 20 nm
Close, but not quite...

Answer (Click to Show Hidden Text)

20-40 nm

sciolyFTW_aku · Post by **sciolyFTW_aku** » March 21st, 2016, 2:45 pm

I was looking for

Answer (Click to Show Hidden Text)

30 nm (https://en.wikipedia.org/wiki/Neuromuscular_junction#Structure_and_function_of_the_neuromuscular_junction)

but that's good. Your turn!

bhavjain · Post by **bhavjain** » March 21st, 2016, 6:54 pm

Yay! Time for some Skeletal bony processes (because its what I missed at Regionals!)

Skeletal Question (Click to Show Hidden Text)

Label the attached image! Tell whether it is right or left, and posterior or anterior, and how you know![attachment=0]humerusanterior1318391323541.jpg[/attachment]

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