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Space medicine is a developing medical practice that studies the health of astronauts living in outer space. The main purpose of this academic pursuit is to discover how well and for how long people can survive the extreme conditions in space, and how fast they can re-adapt to the Earth's environment after returning from space.
The crew found it to be better than that of Apollo but still unsatisfying, partially due to food tasting different in space than on Earth. [ 37 ] : 292–293, 308 The frozen foods were the most popular, and they enjoyed spicy foods [ 38 ] : 130 due to sinus congestion from weightlessness dulling their senses of taste and smell.
In normal liver, stellate cells are described as being in a quiescent state. Quiescent stellate cells represent 5-8% of the total number of liver cells. [4] Each cell has several long cytoplasmic protrusions that extend from the cell body and wrap around the sinusoids. [5] The lipid droplets in the cell body store vitamin A as retinyl palmitate ...
In the hepatic lobule of the human digestive system, the space of Möll lies between the limiting plate and the connective tissue of the portal triad. [ 1 ] It receives lymph from the space of Disse , "originates" more lymph, and drains it into the surrounding lymphatic vessels . [ 2 ]
On Wednesday, Aug. 7, the agency held a news conference giving an update on the two astronauts who have been in outer space for 63 days — approximately seven weeks longer than expected ...
The perisinusoidal space (or space of Disse) is a space between a hepatocyte, and a sinusoid in the liver. It contains the blood plasma . Microvilli of hepatocytes extend into this space, allowing proteins and other plasma components from the sinusoids to be absorbed by the hepatocytes.
Chylomicron structure ApoA, ApoB, ApoC, ApoE (apolipoproteins); T (triacylglycerol); C (cholesterol); green (phospholipids). Chylomicrons transport lipids absorbed from the intestine to adipose, cardiac, and skeletal muscle tissue, where their triglyceride components are hydrolyzed by the activity of the lipoprotein lipase, allowing the released free fatty acids to be absorbed by the tissues.
Amino acids whose chirality is opposite to the norm are found on Earth, and these substances are generally thought to result from decay of organisms of normal chirality. However, physicist Paul Davies speculates that some of them might be products of "anti-chiral" life. [13] It is questionable, however, whether such a biochemistry would be ...