SKULL, PARTS, FUNCTIONS-Anatomy topic- easy explanation for nursing students

1. SKULL, PARTS,
FUNCTIONS
SWATILEKHA DAS
(RN,MSN)

2. AXIAL SKELETON

3. AXIAL SKELETON comprises of :
a. Skull
b. Thoracic cage
c. Vertebral column

4. 1. SKULL
The upper end of the bony skeleton is skull. It is
formed of cranium and facial skeleton.

5. A. CRANIUM

6. B. FACIAL SKELETON

7. HYOID BONE

8. FUNCTIONS OF THE SKULL
• Paranasal air sinuses make the skull lighter.
• Cranial cavity protects the delicate tissues of
cerebrum, cerebellum and brain stem.
• Orbital cavity protects the eye ball and gives
attachment to the muscles that move the eye ball.
• It has maxillae and mandible which have alveolar
processes that bear sockets for teeth.
• Delicate middle and internal ear are protected in
petrous part of temporal bone.
• Bones of the skull form the boundary walls of nasal
cavities which keeps the inlet of respiratory passage
open.

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