The main cells of the human epidermis are A: Melanocytes B: Keratinocytes C: Langerhans cells D: Merkel cell E: Fibroblasts

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

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

As to the healing of ulcers, the result is___ A: Epithelium and granulation tissue B: Fibroblasts and muscle tissue C: Muscle cells and connective tissue D: Lymphocytes and lymphoid tissues E: No shortage of fixed cells and tissues

Which of the following is incorrect about the healing by first intention? A: In 24 hours, the small gap in the epidermis and dermis is filled with the clotted blood B: Neutrophils appear in the wound within 24 hours, rapidly complete the liquefaction process C: Fibroblasts proliferate and migrate into the prepared dermal gap, leading to the formation of granulation tissue D: There was a marked inflammatory response and keloid formation around the wound