From Wikipedia, the free encyclopedia
- For other uses of the word, see Scalp (disambiguation)
- S: The skin on the head from which head hair grows. It is richly supplied with blood vessels.
- C: Connective tissue. a thin layer of fat and fibrous tissue lies beneath the skin
- A: The aponeurosis (or galea aponeurotica) is the next layer. It is a tough layer of dense fibrous tissue
- L: The loose areolar connective tissue layer provides an easy plane of separation between the upper three layers and the pericranium. In scalping the scalp is torn off through this layer.
- P: The pericranium is the periosteum of the skull bones and provides nutrition to the bone and the capacity for repair. It may be lifted from the bone to allow removal of bone windows (craniotomy).