Histology Of Respiratory System Flashcards
One Histology Picture
One Histology Picture
What type of cell is fond in the nasal cavity
Pseudostratified columnar epithelial
What area of the body has a laminate proprietary (loose areolar connective tissue)
Nasal cavity
What type of epethelium is respiratory epethelium
Psuedostratified ciliated columnar epethelium
What do goblet cells do
Produce mucus
What type of cells have chemosensory receptors
Brush cells
What type of cell is mitotically active in the respiratory epethelium
Basal
What type of cell in the respiratory epethelium has a notable role in diffuse neuroendocrine system
Small granule cells
Adrenergic receptors produce ___________ which results in dilation of the bronchioles
Vasoconstriction
In a healthy young adult, how often are olfactory neurons generated
2-3 weeks
The oropharynx is composed of
Stratified squamous epethelium
The medial pharyngeal tonsil and the auditory tube openings are considered part of the
Nasopharynx
Another name for alveolar cells is
Pnuemocytes
Does the alveoli has MSK support
No
Is there gas exchange in respiratory bronchioles
Yes
What are the sites of gas exchange
Respiratory bronchioles, alveolar ducts and sacs, alveoli
The bronchioles, terminal bronchioles, respiratory bronchioles, alveolar ducts and sacs contain what kind of epethelium
Simple cilliated cuboidal
What nerve causes bronchiole constrictions
Vagus
What is another name for bronchioles exocrine cells
Club cells
Which type of alveolar cell is composed of squamous epethelium and much more common
Type I
What type of alveolar cell is composed of cuboidal epethelium and much less common
Type II alveolar cells
Which type of epithelium produces surfactant
Type II
Alveolar macrophages are also called
Dust cells
What susbstance lowers the surface tension at air-epethelium surface
Surfactant