Gross Anatomy of Larynx

Question 1

Location

Answer 1

Thoracic cavity. Anterior aspect of the neck. Extends from the fourth to sixth vertebral levels. Anterior to the inferior portion of the pharynx.

Question 2

Size, Shape, Appearance

Answer 2

Triangle-shaped consisting of many pieces of cartilage attached to one another by muscles or fibrous, elastic tissue components. It is lined. by ciliated columnar epithelium. Most superior part, epiglottis, is a flap that covers the opening and allows air into the larynx, trachea, and lungs but prevents food and drink from entering the trachea.

Question 3

Relations

Answer 3

Inf = Trachea
Sup = Pharynx
Ant = Neck wall
Post = Oesophagus

Question 4

Blood Supply and Drainage

Answer 4

Supply - superior and inferior laryngeal arteries.

Drainage - Inferior, middle and superior thyroid veins.

Question 5

Lymphatic Drainage

Answer 5

It is drained into the deep cervical lymph nodes.