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Contraction

Contraction

(Science: physiology) a shortening or reduction in size, in connection with muscles contraction implies shortening and/or development of tension.

Origin: L. Contractus = drawn together


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Re:

... the case anymore as soon as physical activity starts, right? And it is also activated by calcium (through the phosphorylase kinase) due to muscle contraction. Or am I mixing everything up?

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by Aymeric
Fri Dec 13, 2013 2:46 pm
 
Forum: Human Biology
Topic: When does gluconeogenesis kick in during physical activity?
Replies: 12
Views: 6275

List of enterohepatically cycled nutrients?

... a comprehensive list of the constituents of bile, their quantities/ratios, and the typical quantity of bile released into the duodenum in a single contraction in a human being? Here's what I've scraped together so far from reading various articles online. Unfortunately, the question marks are what ...

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by lourat
Sat Nov 09, 2013 6:18 am
 
Forum: Human Biology
Topic: List of enterohepatically cycled nutrients?
Replies: 0
Views: 1163

Can Systolic BP ever be less than Diastolic?

It is possible, kinda. Remember that systolic pressure is the pressure measured during ventricular contraction pushing blood out into the system. Diastolic pressure is the pressure when the ventricle is not pushing. Now, if you have a region of the arm where you are measuring ...

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by daniel.kurz
Thu Oct 24, 2013 7:39 pm
 
Forum: Human Biology
Topic: Can Systolic BP ever be less than Diastolic?
Replies: 5
Views: 5340

Muscle Fiber Types are FICTIONAL, or is it not?

... external challenges. Hence, if you need more power to lift more weight - body has to grow muscle size, in order to do that it needs fast muscle contraction, which is achieved with bigger impulse coming from motor neurons. That's why it starts to add more motor neurons (hopefully it increases ...

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by GPiklaov
Thu May 16, 2013 2:31 pm
 
Forum: Human Biology
Topic: Muscle Fiber Types are FICTIONAL, or is it not?
Replies: 0
Views: 2241

Human Pathology 'Multiple-Choice Questions'

... a. an increase in plasma estrogen levels. b. a decrease in plasma LH levels. c. an increase in plasma inhibin levels d. an increased myometrial contraction. e. a rapid growth of her fetus.

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by ScrimmSphere
Mon Feb 04, 2013 11:03 am
 
Forum: Human Biology
Topic: Human Pathology 'Multiple-Choice Questions'
Replies: 1
Views: 4870
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