Sores appear 1-10 days after exposure to the bacteria. Microsoft Word â CD letter â impetigo 0308.doc Author: INGJ Created Date: EXPOSURE NOTICE Revised: May 19 checked below: ALWAYS CONSULT WITH A PHYSICIAN FOR TREATMENT. { } CHICKEN POX-onset about 2 to 3 weeks after exposure.
Microglia are the cells in the CNS that can do this in normal, healthy tissue, and they are therefore also referred to as CNS-resident macrophages. The ependymal cell is a glial cell that filters blood to make cerebrospinal fluid (CSF), the fluid that circulates through the CNS. Because of the privileged blood supply inherent in the BBB, the extracellular space in nervous tissue does not easily exchange components with the blood.
1 Basal cells: These cells are in the lower part of the epidermis, called the basal cell layer. 2  These cells constantly divide to form new cells to replace the squamous cells that wear off the skinâs surface.3  As these cells move up in the epidermis, they get flatter, eventually becoming squamous cells.he main types of cells in the epidermis include: 1  Squamous cells: These are flat cells in the outer part of the epidermis that are constantly shed as new ones form. 2  Basal cells: These cells are in the lower part of the epidermis, called the basal cell layer.