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topographic anatomy of Face

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topographic anatomy of Face
THE FACIAL PART OF THE HEAD
OPERATIONS ON THE HEAD

The border between the head and neck is the line which is drawn along the inferior margin of the mandible, apex of the mastoid process, superior nuchal line to the external occipital protube­rance and passes on to another side.
The facial part is composed of the following regions: the orbital region, the oral cavity re­gion (the region of the mouth), nose region (region of the nose), the lateral region and deep region of the face. You studied the orbital region, the region of the nose, the region of the mouth on department of normal anatomy.
The lateral region of face is composed of the buccal region and the parotid region. The border between them passes along the anterior margin of the masseter muscle.
The skin of the face possesses numerous sweat and sebaceous glands. It is connected to the underlying bones by loose connecti­ve tissue, in which the muscles of facial expression are embed­ded. There is no deep fascia in the face.
Wrinkle lines of the face result from repeated folding of the skin perpendicular to the long axis of the underlying cont­racting muscles, coupled with the loss of youthful skin elastici­ty. Surgical sears of the face are less seen if they follow the wrinkle lines.
The skin of the face is supplied by branches of three divisions of the trigeminal nerve, except for the small area over the angle of the mandible and parotid gland, which is supplied by the great auricular nerve (C2 and C3).
The points of an outcome of sensitive branches of a trigeminal nerve project on the vertical line which has been carried out between an internal and median third of supraorbital edge.
The ophthalmic nerve supplies the skin of the forehead by means of the terminal cutaneous branches. They are: supraorbital nerve and supratrochlear nerve, which come out at level of supraorbital edge.
The maxillary nerve supplies the skin of the cheek, the side of the nose, the upper lip by means of the terminal

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