Lecture on Nasal Cavity and Pharynx Anatomy

Flashcards covering key anatomical terms and concepts related to the nasal cavity and pharynx discussed in the lecture.

Nasal cavity

The part of the respiratory system that lies behind the external nose and is divided by the midline septum.

Vibrissae

The nose hairs that filter coarse particles from the air.

Olfactory mucosa

The part of the nasal cavity that contains smell receptors.

Respiratory mucosa

A type of mucous membrane in the nasal cavity that has ciliated columnar epithelium and secretes mucus for trapping dust and bacteria.

Epistaxis

The medical term for a nosebleed.

Paranasal sinuses

The hollow spaces in the skull around the nasal cavity that help to lighten the skull and humidify the air.

Coanae

The three openings in the nasal cavity, divided into superior, middle, and inferior.

Uvula

A soft appendage hanging at the back of the throat that helps close off the nasopharynx during swallowing.

Pharyngotympanic tube

Also known as the Eustachian tube, it connects the nasopharynx to the middle ear.

Nasopharynx

The section of the pharynx located behind the nasal cavity, functioning solely as an air passage.

Oropharynx

The part of the pharynx located behind the oral cavity.

Laryngopharynx

The lower part of the pharynx that connects to the larynx and esophagus.

Sinus resonance

The property of the paranasal sinuses that helps to amplify the sound of the voice.