Tag Info

Hot answers tagged

2

A few points, I'll expand on this later and add references if I have time: The thymus starts degenerating at puberty but continues to function in thymocyte maturation for decades, albeit at a lower level Many mature T cells can live for years Through homeostatic proliferation, peripheral T cells maintain their population size Immune surveillance generally ...


2

Your question is a good one. The velocity of muscle contraction depends on the: Initial length of the muscle The Load on the muscle Source: Medical Physiology : a cellular and molecular approach by Walter F. Boron, Emile L. Boulpaep - 2nd ed. Page 248 From the above picture we can see that: The velocity of muscle contraction is not constant. Initially ...


1

Bernoulli's principle can be a little tricky when applied to the cardiovascular system, but it still holds true across the entire system. You mention a good point that the relationship doesn't seem quite right at the aorta or arteries, because of the constant fluctuation of pressure between systolic and diastolic without a significant change in diameter of ...


1

I think there are several things that keep Bernoulli's principle from being straightforwardly applied. First, Bernoulli's principle would help us calculate the pressure exerted by the blood on the walls of the vessels, but that's not what blood pressure measures. Blood pressure measures the amount of force that has to be applied to stop the blood from ...


1

@Remi.b I think we can do better than 1962. Let's fast-forward here to 2014, in the post-genomic era. I think this paper provides some data relevant to your query: Possible mechanisms for Chromothripsis .


1

The "proper" term to use in a case of growth retardation in children is "failure to thrive", abbreviated as FTT. Celiac disease is one of the most common Organic endogenous (genetically based) FTT syndromes. The main cause of FTT in pediatric celiac patients is malabsorption. In a case of insufficient vitamins and nutrients absorption the child will (have) ...



Only top voted, non community-wiki answers of a minimum length are eligible