Histology Flashcards
What lines the auditory meatus and external canal?
Epidermis - stratified squamous epithelium
What three things are contained within the dermis?
Hair follicles
Sebaceous glands
Ceruminous glands
What glands produce earwax?
Ceruminous glands
What lines the middle ear?
Columnar lined mucosa
What are the three key findings of the middle ear?
Ossicles (malleus, incus, stapes)
Opening of eustachian tube
Mastoid cavity
What does the inner ear contain?
Cochlea
Vestibular apparatus
What lines the nasal vestibule?
Squamous epithelium
What lines the inside of the nose and sinuses?
Respiratory epithelium - pseudostratified ciliated columnar
What type of glands are found in the nose?
Sero-mucinous glands
What two types of epithelium are found within the throat?
Respiratory epithelium
Squamous epithelium
What type of gland are salivary glands?
Exocrine glands
What are the three main salivary glands?
Parotid gland
Submandibular gland
Sublingual gland
What cells stain dark in salivary glands?
Serous cells
What do serous cells contain?
Digestive enzymes - amylase
What component of salivary glands stain clear grey?
Mucinous component
What does the mucinous component of salivary glands contain?
Glycoproteins
What epithelium lines ducts in the salivary glands?
Columnar / cuboidal epithelium
What are myoepithelial cells?
Flat or cuboidal cells with clear cytoplasm that have some contractile properties
