Doc Ariel Respiratory System Flashcards
Respiratory organ system
Conducts gases between blood and environment.
Nasal cavity
Facial portion of respiratory passageway.
Concha
Structures that warm and moisten air.
Nasopharynx
Nasal portion of the pharynx.
Laryngopharynx
Part of pharynx near the larynx.
Philtrum
Vertical groove between nostrils.
Vomeronasal organ
Organ for detecting pheromones.
Nasal septum
Divides nasal cavity into left and right.
Dorsal nasal concha
First endoturbinate, curls slightly.
Ventral nasal concha
Folded scrolls in the nasal cavity.
Middle nasal concha
Second endoturbinate, fills space between scrolls.
Ethmoidal concha
Forms ethmoidal labyrinth in nasal cavity.
Auditory tube opening
Connects nasopharynx to middle ear.
Larynx
Musculocartilaginous organ for voice and airflow.
Epiglottic cartilage
Spade-shaped cartilage protecting larynx entrance.
Thyroid cartilage
Largest cartilage forming laryngeal skeleton.
Cricoid cartilage
Complete ring cartilage of the larynx.
Arytenoid cartilage
Paired cartilage for vocal cord attachment.
Trachea
Cartilage-reinforced tube for air passage.
Tracheal carina
Crest where trachea bifurcates.
Bronchi
Branches from trachea into lungs.
Bronchioles
Small air passages leading to alveoli.
Alveoli
Air sacs for gas exchange.
Hilus of the lung
Entry point for bronchi and vessels.
Lung lobes
Sections of the lung named by bronchi.
Left lung
Has cranial and caudal lobes.
Right lung
Divided into four lobes.
Cardiac notch
Area exposing heart surface in lung.
