Internal pharynx and larynx Flashcards
(26 cards)
What tissue makes up tonsils?
Lymphoid tissue in upper parts pharynx
What tonsils are found in nasopharynx?
Pharyngeal- roof naso
Tubal- surround opening auditory tube
What tonsils are found in oropharynx?
Palatine
What tonsil found posterior aspect tongue?
Lingual
What protects the larynx and airway from entry fluid or food?
Epiglottis
What is the larynx used for?
Phonation
What do the intrinsic muscles do?
Move laryngeal cartilage- move vocal cords
What are vestibular folds called?
False vocal cords
Vocal folds- mucous membrane- cover and protect vocal ligaments- form true vocal cords
What is the space between the true vocal cords called?
Rima glottidis
Adduction- closes
Abduction- opens
What moves laryngeal skeleton?
Intrinsic muscles
Move vocal cords- open and close rima glottidis
Label
Function of cricothyroid muscle?
Places tension on vocal cords
Function posterior cricoarytenoids?
Attach arytenoids
Abduct vocal cords
Open rima glottidis
Function transverse arytenoids?
Connect two arytenoid cartilages
Adduct vocal folds
Close rima glottidis
Function superior laryngeal nerve?
Innervate cricothyroid muscle
Function recurrent laryngeal nerve?
Innervates all intrinsic muscles except cricothyroid
What salivary glands secrete saliva into oral cavity?
Parotid
Submandibular
Sublingual
What stimulates secretion?
Parasympathetic
Where is parotid gland? Size?
Largest
Posterior part mandible
Saliva empties into mouth
Related facial nerve
ECA
What stimulates secretion from parotid gland?
Glossopharyngeal nerve
Where is submandibular gland? Size?
Smaller than parotid
Opens into floor mouth
What stimulates secretion of submandibular gland?
Facial nerve
Where is sublingual gland? Size?
Smallest
Floor mouth
Open svl small ducts
What stimulates secretion of sublingual glands?
Facial nerve
