Olinger Stuff Flashcards
Where does the right recurrent laryngeal nerve run?
underneath the right subclavian A.
where does the left recurrent laryngeal nerve run?
under the aortic arch?
what is the only muscle of the larynx not innervated by the recurrent laryngeal Ns.?
cricothyroid muscles
what is the connection between the middle ear and the nasopharynx?
pharyngotympanic tube
what is another word for pharyngeal tonsil?
adenoids
Branchial Fistula
abnormal remnants of 2nd pharyngeal groove and 2nd pharyngeal pouch leading to an opening between tonsils and neck
branchial sinus
embryonic cervical sinus does not disappear along the SCM; leads to external communication but not internal
branchial cyst
does not communicate externally or internally
What is housed in the carotid sheath?
common carotid A., internal jugular V., and vagus N.
What does the carotid sinus respond to?
pressure changes
what does the carotid body respond to?
changes in blood O2 concentrations
Where do superficial cervical lymph nodes drain?
deep inferior cervical lymph nodes
Where do deep inferior cervical lymph nodes drain?
jugular lymphatic trunk on right and left side
what innervates the Cricothyroid M.
external laryngeal n. (off vagus n.)
what is the only elastic cartilage in the larynx?
epiglottic cartilage