Larynx Anatomy

What are the 3 unpaired cartilages?

• Epiglottis

• Thyroid cartilage

• Arytenoid cartilage

• cricoid cartilage

• Cuneiform cartilage

What are the 3 paired cartilages?

• Arytenoid cartilage

• Thyroid cartilage

• Epiglotti

• Corniculate cartilage

• Cuneiform cartilage

What are the main points of the thyroid cartilage?

• Laryngeal prominence

• Thyroid

• Inferior and superior horn

• Hyoid bone

What's true of the larynx location?

• Extends from root of tone and hyoid bone

• C3-6 Vertebrae

• Part of ANT pharynx wall

• Part of POST pharynx wall

What is the function of the larynx

• Phonation

• Swallowing

• Sphincter protecting respiratory tract

• Mastication

Average larynx length

• 44mm in men

• 50 mm in men

• 36 mm in females

• 30 mm in females

Describe the shape of the larynx

• Narrow and cylindrical posteriorly

• Square flattened box

• Triangular box flattened behind and at the side

• Prominent vertical ridge

• No prominent points

What is the function of the epiglottis?

• Closes the respiratory tract when swallowing

• Covers oesphagus when breathing

• peristalsis

What are the 2 important ligaments?

• Vocal

• Epiglotial

• Ventricular

• Artial

What are both the ligaments attached to?

• Arytenoid cartilage

• Cricoid cartilage

• Thyroid cartilage