1. 1
HEAD & NECK
S.S Hotchandani

2. 2 Conceptual Overview

3. Head Compartments.
3
 Cranial Cavity
 Ears
 Orbits
 Nasal Cavity
 Oral Cavity

4. Neck Compartments
4
 Vertebral Compartment
 Visceral Compartment
 Vascular Compartment

5. Functions of Head & Neck
5
 Protection
 Contains Upper Parts of Respiratory &
Digestive Tracts
 Communication
 Positioning the Head
 Connects Upper & Lower Respiratory tracts

6. 6 Component Parts

7. Skull
7
 Made of Bones of Head
 Joined by Suture
 Synovial Joints of Head
 TMJ
 Bones of Middle Ear

8. Cervical Vertebrae
8
 7 Cervical Vertebrae
forms Neck
 Characterized By;
 Small Bodies
 Bifid Spinous Process
 Transverse Process

9. Hyoid Bone
9
 U-Shaped Bone.
 Horizontal
 Superior to Lyrnx
 Body by Base of U
 Greater Horns
 Attachments
 Floorof Oral Cavity Superiorly
 Larynx Inferiorly
 Pharynx Posterior

10. Soft Palate
10
 Soft Tissue
 Flap Like
 Back of Hard Palate
 Free Posterior Margin

11. 11 Muscles

12. Head
12
 Extra ocular
 Move Eyeball
 Open Upper Eye Lid
 Middle Ear
 Movement of the Middle Ear Bones.
 Facial Expression
 Move Face
 Mastication
 Soft Palate
 Toungue

13. Neck
13
 Pharynx
 Larynx
 Strap Muscles
 Position Hyoid Bone and Larynx.
 Cervical Collar
 Postural Muscles

14. 14 Relationship to Other Regions

15. Thorax
15
 Superior Thoracic Aperture

16. Upper Limbs
16
 Axillary Inlet

17. 17 Nerves

18. Cranial Nerves
18
 12 in Number.
 Innervate Head & Neck
 Except Vagus

19. 19

20. Cervical Nerves
20
 C1-C8
 C1-C4
 Cervical Plexus
 C5- T1
 Brachial Plexus

21. 21 Triangles of Neck

22. Anterior Triangle Boundaries
22
 Median Vertical Line of Neck.
 Inferior Margin of Mandible
 Anterior Margin of Sternocleidomastoid Muscle
 Structure Passing b/w Head & Thorax can be
accessed by this triangle.

23. Posterior Triangle Boundaries
23
 Middle 1/3 of Clavicle
 Anterior margin of trapezius
 Posterior margin of sternocleidomastoid

24. 24