Head, Neck, Face

Annotations:

• the head and neck have a rich supply of 60-70 nodes  -huge part of the immune system  -detects and eliminates foreign substances from the body

1. Different nodes

   Annotations:

   • Preauricular, occipital, submental, supraclavicular, superficial cervical for example

Annotations:

• Facial bones and orbits appear more prominent -facial skin sags=decreased fat, moisture and elasticity 

Annotations:

• Develop in early childhood -coronal=crowns the head from ear to ear -sagittal=seperates the head lengthwise between two paretal bones  -lambdoid= crosswise from parietal to occipital 

1. Cranial Nerve VII

   Annotations:

   • facial expressions are controlled by this nerve 
2. eyes, ears, brows, nose, mouth

   Annotations:

   • these structures should appear about the same on both sides 
3. Nerve V

   Annotations:

   • Sensation of pain and touch 

1. Parotid

   Annotations:

   • In the cheeks over the mandible, anterior to and below the ear. 
2. Submandibular

   Annotations:

   • beneath the mandible at the angle of the jaw 
3. sublingual

   Annotations:

   • lies in the floor of the mouth 

Annotations:

• releases hormones in charge of metabolism  -Endocrince gland -Straddles trachea in middle of neck

Annotations:

• Frontal, Parietal, occipital and temporal 

Annotations:

• cranial nerve XI

1. Trapezius

   Annotations:

   • From Occipital bone and vertebrae and extend fanninh out to the scapula and clavicle 
2. Sternomastoid

   Annotations:

   • From sternum and clavicle to diagonally across neck to the mastoud proces behind ear