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Respiratory System
N/A
27
Anatomy
Undergraduate 2
07/05/2014

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Term
Nasal cavity
Definition
Term
Inferior, middle, superior nasal conchae
Definition
Long, narrow and curled bone shelf that protrudes into the breathing passage of the nose; divides nasal airway into 4 groove-like air passages
Term
Pharynx
Definition
Passageway that connects nasal cavity and mouth to the larynx and esophagus
Term
Nasopharynx: location and purpose and description (tissue/cells)
Definition
Highest part of the pharynx that lies directly posterior to the nasal cavity, inferior to the sphenoid bone and superior to the level of the soft palate; serves as air-only passageway; epithelium is pseudostratified columnar
Term
Oropharynx: location and purpose and description (tissue/cells)
Definition
Posterior to the oral cavity, basically an extension of the nasopharynx; serves to transport air and food; structure of epithelium becomes a protective layer of stratified squamous epithelium
Term
Pharyngeal tonsil
Definition
Located in nasopharynx and serves to destroy pathogens coming in via air in that area
Term
Hyoid bone
Definition
Tongue bone that anchors tongue muscle and some of the cartilage in the neck
Term
Larynx
Definition
Called voice box, extends from 4th to 6th cervical vertebrae; superiorly attaches to the hyoid bone and inferiorly is continuous with the trachea (windpipe); cells inferior to the vocal cords are pseudostratified ciliar columnar to trap dust
Term
Epiglottis
Definition
9th cartilage of the larynx, made up of elastic cartilage and covered by a mucosa; tips inferiorly during swallowing to seal the laryngeal inlet and prevent anything other than air from entering the lower respiratory tubes;
Term
True and false vocal cords
Definition
Both are pairs of mucosal folds composed of ligaments made up of elastic fibers; the false vocal cords are superior to the true vocal cords
Term
Laryngeal prominence
Definition
Protrusion of thyroid cartilage (the spine of it) which is the Adam's apple in dudes
Term
Thyroid cartilage
Definition
Large shield-shaped piece of cartilage formed by 2 cartilage plates
Term
Cricoid cartilage
Definition
Inferior to the thyroid cartilage, forms a complete ring unlike any other cartilage
Term
Trachea
Definition
Also called windpipe, continuation of the larynx and ends up dividing into the two main bronchi; 3 layers: mucosa, submucosa, adventitia
Term
Primary bronchi
Definition
Largest conduits in the bronchial tree
Term
Lobar/secondary bronchi
Definition
3 on right, 2 on left, each supply one lung lobe
Term
Lungs and lobes of lungs
Definition
Term
Hilus
Definition
A depression on the mediastinal surface of the lungs which is where blood vessels and the like enter
Term
Costal surfaces
Definition
Lung surfaces that lie adjacent to ribs (so anterior, lateral, posterior)
Term
Mediastinal surfaces
Definition
Lung surfaces that do not face/lie adjacent to the ribs (so they'll be facing the midline)
Term
Diaphragmatic surface
Definition
Term
Cardiac notch
Definition
Term
Superior and inferior lobes of left lung
Definition
Term
Superior, inferior, and middle lobes of right lung
Definition
Term
Bronchi
Definition
Term
Bronchioles
Definition
Term
Alveoli
Definition
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