The main source of calcitonin in plasma is
A: thyroid C cells
B: islet D cells
C: placenta
D: parathyroid cells
A: thyroid C cells
B: islet D cells
C: placenta
D: parathyroid cells
举一反三
- 具有强大吞噬作用的细胞是（） A: Fibroblasts B: Macrophages C: plasma cells D: mast cells E: mesenchymal cells
- Which of the following description about islet hormones is correct? A: Pancreatic alpha cells produce glucagon B: Pancreatic beta cells produce insulin with low glucose C: Somatostatin produced by pancreatic delta cells enhances insulin secretion D: Somatostatin produced by pancreatic delta cells enhances glucagon secretion E: Insulin can pass through the plasma membrane
- Which of the following statements about inflammatory cells are INCORRECT? A: Lymphocytes are the most prominent inflammatory cells in viral infection B: Neutrophils are the most prominent inflammatory cells in acute inflammation C: Lymphocytes, together with plasma cells and eosinophils, are the most prominent inflammaroty cells in chronic inflammation D: Mast cells and basophils are sources of histamine E: Basophils are the predominant inflammatory cells in allergic reactions
- The blue arrows in the figure show[img=712x955]180331deeaab831.jpg[/img] A: Anitschkow cells B: fibroblasts C: lymphocytes D: plasma cells
- The blue arrows in the figure show[img=712x955]1803a0368e70435.jpg[/img] A: Anitschkow cells B: fibroblasts C: lymphocytes D: plasma cells