举一反三
- The<br/>blood-testis barrier consists of:() A: Capillary endothelium B: Basement membrane C: Cconnective tissue D: Tight junction between Sertoli cells E: Spermatogenic cells
- Which of the following immune cells are mainly distributed on the epidermis: A: lymphocyte B: mast cell C: endothelial cells D: langerhans cells
- The cells that play the most important role in regulation of the coagulation and anti-coagulation balance are A: nerve cells B: hepatic cells C: mononuclear phagocytes D: endothelial cells E: spleen cells
- The mechanism by which brain cells store memories is not clearly understood.
- The most important component in the blood-testis barrier is:() A: endothelial cell B: basement membrane C: tight junction D: connective tissue E: Leydig cell
内容
- 0
I can't walk! These pants... A: are too tight. B: aren't tight enough. C: are tighter than the others. D: are too short.
- 1
Any of the star-shaped cells in the tissue supporting the brain and spinal cord is called a(n) _____.
- 2
A person with chronic alcoholism has developed cirrhosis of the liver. The liver is filled with a type of collagen that interferes with appropriate liver function. Under these conditions, which liver cell type has been stimulated to produce fibril-producing collagen A: Kupffer cells B: Stellate cells C: Endothelial cells D: Hepatocytes E: Pit cells
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In the electron micrograph below, the structure labeled D primarily does which of the following A: Forms a spot weld between cells B: Interacts with actin in the cytoplasm of the apical cytosol C: Facilitates communication between adjacent cells D: Seals membranes between cells E: Moves microvilli
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Your brain is packed with 100 billion brain cells called neurons。 They send information to your body telling it what to do， and they receive information from each of your senses， what you see， feel， taste， hear and touch。 Based on the context， what is the given information？（ ）。 A: brain cells B: neurons C: what you see, feel, taste, hear and touch D: your senses