Histology Flashcards
What type of mucosa is this?
Respiratory mucosa
Name A
A: Long, non-motile cilia of olfactory neurons
Name B
B: Sustentacular (support) cells
Name C
C: bipolar olfactory neuron
Name D
D: Basal cell
Name E
Bowmans glands
What type of secretion is produced by E?
seromucous
Name F
F; filum olfactorum (axons of olfactory nerves)
Name G
G: pseudostratified columnar epithelium
Name H
H: lamina propria
Name I
I: cartilage (neonate ethmoid)
Name A
A: oesophagus
Name B
B: thyroid gland
Name C
C: trachealis muscle
Is C the dorsal or ventral aspect? Why?
Dorsal: trachealis m, oesophagus
Name D
D: incomplete cartilaginous tracheal rings
Which species is this? Why?
Carnivore: trachealis m. external to cartilage
Name A
A: ciliated pseudostratified columnar respiratory epithelium
Name B
B: lamina propria
Name C
C: tracheal gland
Name D
D: goblet cell (PAS stain)
Name A
A: ciliated pseudostratified columnar respiratory epithelium
Name B, H
B, H: Incomplete cartilages (of bronchi)
Name C
C: Bronchial (smooth) muscle
Name D
D: Goblet cell
Name E
E: Bronchial artery (smooth muscle)
Name F
F: Bronchial gland
Name G
G: alveolus
Name A
A: conducting bronchiole (no cartliage, complete walls)
Name B
B: Bronchiolar artery
Name C
C: mucous: NB NO GOBLET CELLS IN BRONCHIOLES
Name D
D: Simple columnar epithelium, mostly unciliated, with CLARA cells (not easily visible)
Name E
E: bronchiolar smooth muscle
Name F
F: gland (NB significantly less glands than bronchi)
Name A
A: bronchiole (no cartilage)
Name B
B: alveolar sac
Name C
C: holes in bronchiole wall leading to alveoli
Name D
D: terminal bronchiole (leading to respiratory bronchiole)
Name E
E: respiratory bronchiole (incomplete walls)
Name A
A: Type 1 pneumocyte (nucleus)
Name and describe B
B: Blood-gas barrier: type 1 pneumocyte + basement membrane + endothelial cell of capillary
Name and describe C
C: Type 2 pneumocyte (surfactant producing)
