Neck

Question 1

What are the 2 layers of the SKIN and 2 layers of the FASCIA.

Answer 1

Skin: 1.epidermis (epithelium)

• non-vascular
  2. dermis (dense connective tissue)
• vascular/lymphatics/innervated

Fascia:

3. superficial fascia
   - distributes vessels & nerves/allows skin mobility/insulation
4. deep fascia
   - separates superficial from deep structures/strong & protective

Question 2

• What runs between and connects the superior mediastinum to the base of the skull?
• What does the the deep fascia help to prevent?

Answer 2

• The tubes in the deep fascia.
• The spread of infection from one compartment to another.

Question 3

What is superficial Neck Fascia?

What does it contain?

Answer 3

Adipose connective tissue

contains:

• Sensory nerves
• Platysma muscles
• Blood vessels - superficial veins
• (Lymphatic vessels and superficial lymph nodes)

Question 4

-What are the muscles of facial expresion supplied by?

-What is the platysma muscle supplied by.

Answer 4

• Facial nerve
• platysma is supplied by the cervical branch of CN VII

Question 5

Identify the superficial veins of the neck.

Answer 5

Question 6

What is deep cervical fascia and its 3 layers?

Answer 6

•It is a fibrous connective tissue

Its three distinct layers (from superficial to deep):

–Investing layer

–Pretracheal layer

–Prevertebral layer