Histology Flashcards
Lining of nasal vestibule (initial entrance) epithelial type
keratinised stratified squamous
Lining of nasal vestibule (initial entrance) epithelial type
keratinised stratified squamous
nasal cavity epithelium is
pseudostratified ciliated columnar w. goblet cells
ie. respiratory epithelium
Oropharynx epithelium is
non-keratinised stratified squamous with glands
Larynx epithelium is
respiratory epithelium looks red
vocal cords epithelium is
stratified squamous - smooth and white
Trachea has ____ muscle and ____ rings
smooth trachealis continuous
15-20 cartilaginous
Bronchi have ____ muscle and ____ plates
discontinous smooth
irregularly shaped cartilaginous
Bronchioles are ___ in diameter. And have ___ to ___ epithelium as go distally. They have no ____
Bronchiole lamina propria contains:
SM, elastic and collagenous fibres
Terminal bronchioles are the end of the ____
They are lined with ____
conducting airway
Cuboidal epithelium with non-ciliated clara/club cells
Clara/club cells =
stem cells that project out of bronchioles epithelium
Detoxify, modulate immunity and produce surfactant
Respiratory bronchioles are the start of the ___.
Lined with ___
respiratory airway
low cuboidal epithelium
Alveoli are lined with
Type 1 (90%) simple squamous alveolar cells/pneumocytes. Type 2 (10%) polygonal, lamellar bodies w. surfactant, microvillli on surface pneumocytes Alveolar macrophages/dust cells - in septa
nasal cavity epithelium is
pseudostratified ciliated columnar w. goblet cells
ie. respiratory epithelium