Figure 1-1. Structure of the skin and underlying subcutaneous layer.
Figure 1-2. Layers of the epidermis.
(a) Stratum basal. Cells continually multiply and push upward toward
the surface.
(b) Stratum spinosum. Eight to ten rows of polyhedral (many sided)
cells which fit closely together make up this layer of epidermis. New cells germinate in
this layer.
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