Creado por Diamond Sapphire
hace alrededor de 4 años
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What is the function of the respiratory system?
Why is oxygen necessary?
What is carbon dioxide?
What are the 2 divisions of the respiratory system?
What are the components of the conducting portion?
What is the function of the conducting portion?
What are the components of the respiratory portion?
What is the main function of the respiratory portion?
The nasal cavity consists of what 3 divisions?
The respiratory region and the olfactory region of the nasal cavity comprise the ___ ___
Anterior portion of the nasal cavity; forms a true entrance into the respiratory system; highly pigmented, thickened stratified squamous epithelial lining
Lies within the nasal septum
Main function of the nasal fossa
What does “conditioning” inspired air consist of?
The respiratory epithelium of the nasal fossa cleanse inspired air by...
The goblet cells and sero-mucus glands of the nasal fossa ... the inspired air
The venous plexus of the nasal fossa ... the inspired air
Moves mucus and trapped particles from the nasal cavity to the pharynx
Create turbulence in the inspired air to trap small particulates in mucus
Respiratory region contains ___ epithelium that function to trap particles from the passing air
What are the 4 respiratory epithelium cell types
Function of basal cells
Function of ciliated cells
Function of goblet cells
Refers to lamina propria CT with increased numbers of blood vessels; contains mixed glands
Function of cavernous stratum
Located in the dorso-caudal region of the nasal cavity; lined by olfactory epithelium
Function of the olfactory region
Olfactory mucosa consists of thick ___ ___ epithelium
The lamina propria of the olfactory mucosa contains ___ ____
What is the purpose of the section from the Bowman’s glands?
What are the 3 major olfactory epithelium cell types?
Specialized bipolar neurons that are activated when chemicals come in contact with olfactory vesicles
Provide physical support, nourishmentj, and electrical insulation to the olfactory neurons
Stem cells that help replace worn out olfactory and sustentacular cells
Briefly describe the process of olfaction
Tubular structure located at the base of the nasal cavity; specialized for chemoreception
Function of the vomeronasal organ
The vomeronasal organ is positioned in a way to maximize air flow. Why?
Vomeronasal neurons contain ___ (as opposed to cilia)
Vomeronasal organ: ___ ___ epithelium
Components of the accessory olfactory system
Respiratory epithelium is ___ than olfactory epithelium
Functions of glands within the respiratory and olfactory regions
What disease process is the following describing?
- nasal concha are destroyed
- greenish exudate remaining
- fungal hyphae can be found
Inherited condition in certain species of dogs;
- cilia don’t function—> mucus builds up —> mucus plugging and inflammation of the nasal cavities, trachea, and airways —> chronic respiratory abnormalities
- worldwide disease of pigs
- atrophy of nasal conchae
- bacterial etiology
- can result in severe facial deformity
With nasal adenocarcinoma, the cells have a ___ growth pattern histologically
With nasal lymphoma, (histologically) the lamina propria is filled with ___
Flattened conical chamber through which air and food pass
The pharynx is divided partially by the soft palate into ___ and ___
Functions of the larynx
Tubular shape of larynx maintained by ___ ___ and rings of ___
2 Types of cartilage found in larynx
Larynx is lined by ___ epithelium except surfaces of the ___ ___ and ___
Epiglottis lined by ___ ___ epithelium
Flap of cartilage that gets depressed during swelling to cover the larynx
Function of epiglottis
Flaps of tissue composed predominantly of muscle and lined by stratified squamous epithelium
Function of vocal folds
Irritation ___ mucus production