ANATOMY NOTES

  SCALP Definition:  The scalp is the soft tissue that covers the vault of the skull. It is the hair-bearing area of the skull. Extent: Anteriorly: To the supraorbital margins. Posteriorly:   To the highest nuchal line. On each side: To the superior temporal lines. Layers of Scalp:  It consists of five layers:- S-Skin C-connective tissue (superficial fascia) A-aponeurosis (galea aponeurotica) L-loose areolar tissue P-pericranium SKIN: The skin is thick and hairy. It is adherent to epicranial aponeurosis through the dense superficial fascia. It consists of an abundance of sebaceous glands. SUPERFICIAL FASCIA: It is more fibrous and dense in the center than at the periphery of the head. It provides the proper medium for the passage of vessels and nerves of the skin. It binds skin to subjacent aponeurosis. EPICRANIAL APONUEROSIS: It is freely movable on the pericranium along with the overlying and adherent scalp and fascia. On each side...