Histo. Respiratory Flashcards
Main fxn of the respiratory
exchange gases btw air and blood
O2 of air is exchanged for CO2
What are the anatomical parts of the respiratory system
- conducting portion
2. respiratory portion
What are the parts of the conducting extrapulmonary passage
- nose
- nasopharynx
- larynx
- trachae
- main bronchi
What are the conducting portions of the intrapulmonary passage
- intrapulmonary bronchi
2. bronchioles
What are the parts of the respiratory portions?
- respiratory bronchioles
- alveolar ducts
- atria
- alveolar sacs
Surface epithelium of the respiratory mucus of the nose
pseudostratified columnar ciliated with some goblet cells
_________ secrete a film of mucus over the surface of the nose
pseudostratified columnar ciliated
the congestion of the ________ in the _____ leads to nasal blockage
venous plexuses in the lamina propria
_______ glands moisten the mucous membrane and humidify the air in the nose
sero-mucous glands
Where are olfactory mucosa of the nose located
roof of the nasal cavity - over the medial and lateral walls
surface epithelium of the olfactory mucosa of the nose (3)
- olfactory cells
- Supporting (sustentacular) cells
- basal
fine hair like projections (microvilli) on the surface are called olfactory ____
hailets
Olfactory cells are ______ nerve cells
bipolar
olfactory cells terminate in the ________
olfactory vesicles
_______ are inverted conical cells surrounding the olfactory cells
supporting (sustentacular) cells
_______ cells stem cells for the supporting cells of the olfactory mucosa
basal cells
The lamina propria of the nose contains serous glands called ____ glands
bowmans
The cartilage of the larynx is ___ & ___
hyaline and elastic
Name three hyaline cartilages of the larynx
thyroid (1)
cricoid (1)
aretenoid(2)
(do not have “e” besides aretenoid bc its is both)
The elastic cartilage of the larynx is
cornculates (2)
Cuneiforms (2)
epiglottis (1)
Tips of arytenoids(2)
(all have an “e” in them)
Thyroid : elastic/ hyaline?
hyaline
cricoid : elastic/ hyaline?
hyaline
aretenoid: elastic/ hyaline?
body is hyaline
the tips are elastic
Cornculates : elastic/ hyaline?
elastic (2)
Cuneiforms: elastic/ hyaline?
elastic (2)
epiplottis: elastic/ hyaline?
elastic (1)
Name the 2 anteroposterior folds of the mucous membrane within the larynx
- vocal lig
2. vestibular (false vocal) lig
Tiss of the larynx
pseudostratified columnar ciliated with goblet cells
except over the vocal cords
the vocal cords are made up of _____ tiss
pseudo stratified squamous non keratinized
The trachea is supported by _____ rings
hyaline
______ epithelium of the trachea
pseudostratified columnar ciliated with goblet cells
Smooth muscle that attaches to the posterior end of the trachea
trachealis muscle
Mucosa of te intrapulmonary bronchi are ______
pseudostratified columnar ciliated with goblet cells
Describe the musculosa of the intrapulmonary bronchi
circular smooth muscle
_____ is CT containing sero-mucous glands
submucosa
Name the 5 layers of the intrapulmonary bronchi
- Mucosa
- musculosa
- submucosa
- Cartilage layer
- Fibrous layer
Name the three layers of the bronchioles
- mucosa
- musculosa
- fibrous
(no cartilage)
The mucosa of bronchioles is ______ epithelium
simple columnar ciliated with no goblet
Respiratory Bronchioles are __ epithelium
simple cuboidal (some cilia)
alveoli are _____ epitheliu
simple squamous
Alveoli are separated from each other by _____
inter alveolar septa
______ are openings in the septa that communicate alveolar cavities together
alveolar pores
alveolar pores are openings in the ______to communicate btw alvelar cavities
inter alveolar septa
Pneumocytes type I are _____ epipthelial
simple squamous
small alveolar
Pneumocyte type II are _____ epipthelial
cuboidal cells
______ secrete lipid material called surfactant
great aveolar cells or pneumocytes type II
Phagocytic cells of the septum are __
dust cells
another name for dust cells
septal cells
shelf like projections called _____ are in the respiratory mucous membrane
nasal conchae
______ is the first part of the pharynx behind the nose
nasopharynx
The larynx is also called the _____
voice box
_____is an organ of phonation and air passage
larynx
What is after the larynx
trachea
What is before the trachea
larynx
lamina propria of the respiratory system contains _____ glands
sero-mucous glands
smooth muscles that can reduce the diameter of the lumen of the trachea
trachealis muscle
Parietal pleura and visceral pleura of the lungs becones conti at at ____
hilum
_____ lead to wide air sacs called alveolar sacs
atria
atira lead to form wide air sacs in the lungs called ___
alveolar sacs
The exchange of gas occurs through the walls of _____ in the lungs
alveoli
Terminal bronchioles divide into ____
respiratory bronchioles
respiratory bronchioles divide into ___
alveolar ducts
Alveolar ducts divide into ____
atria
atria divide into ____
alveolar sacs
Name the pathway of the lungs
primary bronchi –> secondary–> tertiary –> bronchioles –> terminal bronchioles –> respiratory bronchioles –> alveolar ducts –> atria –> alveolar sac –> alveoli
There are no ____ layer once you get into the bronchioles
cartilage layer
What does COPD stand for?
Chronic Obstructive Pulmonary Disease
- difficulty breathing
______ is due to destruction of elastic tiss of the lung
emphysema
-caused by cigarette smoke
____ are malignant tumors in the lungs
neoplasm