MSK - Week 4

Question 1

What are the layers of the scalp?

Answer 1

Skin, dense connective tissue, aponeurosis, loose connective tissue, pericranium

Question 2

What does the skin do in the scalp?

Answer 2

physical barrier from trauma and potential pathogens

Question 3

What does the dense connective tissue in the scalp contain?

Answer 3

hair follicles, vessels, nerves, and lymph

Question 4

What is the Aponeurosis? And what is it continuous with?

Answer 4

broad flat sheet of tendon, continuous with muscle

Question 5

What does the loose connective tissue of the scalp allow it to do?

Answer 5

Be mobile

Question 6

What it the pericranium made up of? And what does it adhere to?

Answer 6

dense irregular connective tissue, tightly adhered to cranium bone

Question 7

What is the origin of the occipitofrontalis muscle?

Answer 7

galea aponeurotica layer of skull

Question 8

What is the insertion of the frontal belly of the occipitofrontalis muscle?

Answer 8

skin over the eyebrows

Question 9

What is the insertion of the occipital belly of the occipitofrontalis muscle?

Answer 9

superior nuchal line

Question 10

What is the action of the frontal belly of the occipitofrontalis muscle?

Answer 10

raises eyebrows, wrinkles forehead

Question 11

What is the action of the occipital belly of the occipitofrontalis muscle?

Answer 11

anchors and retracts the galea posteriorly

Question 12

How to the frontal belly and occipital belly of the occipitofrontalis muscle connect to each other?

Answer 12

via aponeurosis

Question 13

How is the orcbicularis oculi muscle arranged and Where is the located?

Answer 13

sphincter muscle arranged in concentric bans around the upper and lower eyelids