lecture 4 - pharynx & oesophagus

Question 1

What is the fibrous layer in the wall of the pharynx?

Answer 1

Pharyngobasilar fascia

Question 2

What is the name for the fascia in the wall of the pharynx?

Answer 2

Buccopharyngeal fascia

Question 3

What are the 2 muscle layers in the pharynx?

Answer 3

Inner levators, outer constrictors

Question 4

What is the valleculae of the pharynx?

Answer 4

The recess found behind the posterior tongue, anterior to the epiglottis

Question 5

What is the piriform fossa?

Answer 5

A space that sits laterally and posteriorly to the epiglottis

Question 6

What is the name for the upper oesophageal sphincter?

Answer 6

The cricopharyngeus sphincter

Question 7

What is the process of swallowing?

Answer 7

Food is chewed voluntarily, soft palate is elevated and tensed, upper sphincter relaxes, food is swallowed and upper sphincter closes, peristalsis moves food down oesophagus, lower oesophageal sphincter relaxes