Week 4: Anatomy of Upper respiratory and Upper digestive tract Flashcards
Oral and nasal cavities open into?
PHARYNX
Nasal cavities extent
Nostrils to choanae
Medial wall of nasal cavaties?
nASAL SEPTUM - cartilage and 2 bones
Floor of nose? (2)
Maxilla and palatine bone (hard palate)
Roof of nose? (4)
Nasal bone, frontal bone, ethmoid bone, sphenoid bones
Anterior pear shaped bony opening called?
Piriform aperture
nasal cavity features
lined with blood-vessel rich mucous membrane
Drains into superior meatus?
Ethmoidal sinus (some)
Drains into Sphenoethmoidal recess?
Sphenoidal sinus
Drains into middle meatus?
Frontal, ehtmoidal, maxillary sinus
Drains into inferior meatus?
Nasolacrimal duct - tears from eye
Oral cavity boundaries (extends)
Extends from oralfissure to oropharyngeal isthmus - pharynx posterior
Oral cavity roof
hard palate (maxilla + palatine), soft palate and uvula
What marks division of anter 2/3 and posterior 1.3 tongue?
Sulcus terminalis
Which salivary glands is located entirely outside oral cavity?
parotid