SCALP

1. NERVE SUPPLY

1.1. Sensory

1.1.1. Supraorbital

1.1.2. Supratrochlear

1.1.3. Zygomaticotemporal br of maxillary div of V cr n

1.1.4. Auriculotemproal

1.1.5. Great Auricular

1.1.6. Auricular br of VII, IX, X cr n

1.1.7. Greater Occipital

1.1.8. Lesser Occipital

1.1.9. 3rd Occipital

1.2. Motor

1.2.1. Facial n to Occipitofrontalis

2. SURGICAL ANATOMY

2.1. Trauma

2.2. Haemorrhage

2.2.1. Capeline bandage

2.3. Scalp flaps

3. APPLIED ANATOMY

3.1. Anaesthesia of scalp

3.2. Trigeminal neuralgia

3.3. Occipital headache

4. LAYERS

4.1. Skin

4.2. Connective tissue

4.3. Aponeurosis

4.3.1. Occipitofrontalis muscle

4.4. Loose areolar tissue

4.5. Pericranium

5. BLOOD SUPPLY

5.1. Arteries

5.1.1. ICA

5.1.1.1. Supratrochlear

5.1.1.2. Supraorbital

5.1.2. ECA

5.1.2.1. Superficial Temporal

5.1.2.2. Posterior Auricular

5.1.2.3. Occipital

5.2. Anastomoses

5.2.1. Ipsilateral

5.2.2. Contralateral

5.2.3. Between ICA & ECA

6. EMISSARY VEINS

6.1. Traverse cranial apertures

6.2. Connect intracranial venous sinuses

6.3. spread infection inwards

6.4. some names

6.4.1. Mastoid em v

6.4.2. Parietal em v

6.4.3. Occipital em v

6.4.4. other veins in foramina of skull

6.5. Dangerous layer of scalp - Layer 4