Anatomy and Physiology Flashcards
Muscles of adduction (2)
- laryngeal cricoarytenoid
- transverse arytenoid
CN X (2)
- Vagus
- larynx, respiratory, cardiac, and gastrointestinal systems (sensory and motor)
the effect dictating that, given a constant volume flow of air or fluid, at a point of constriction there will be a decrease in air or fluid pressure perpendicular to the flow and an increase in velocity of the flow
Bernoulli effect
the opening into the scal vestibuli to which the footplate of stapes is attached
oval window
the process of a neuron that conducts information away from the soma or body
axon
the final bone of the ossicular chain
stapes
the membranous separation between the outer and middle ear, responsible for initiating the mechanical impedance-matching process of the middle ear
tympanic membrane
regions of myelinated fibes in which there is no myelin
nodes of Ranvier
portion of cochlear duct upon which organ of Corti is attached
basilar membrane
the waxy secretion in the external auditory meatus
cerumen
CN VI
Abducens
the precentral gyrus of the frontal lobe; the point at which execution of voluntary motor acts is initiated
motor strip
CN VIII
- Vestibulocochlear
- hearing and balance (sensory)
The laryngopharynx and the oropharynx add resonance to sounds produced by the larynx. the nasopharynx adds noticeable resonance to which sounds? (3)
- m
- n
- ng
muscle of the middle ear that acts on the stapes
stapedius
middle ear muscle acting on the malleus
tensor tympani
fatty sheath surrounding axons of some nerves
myelin
cartilage that forms the anterior and lateral walls of the larynx and protects the larynx
thyroid cartilage
Extrinsic laryngeal muscles
suprahyoid muscles (8)
- located above the hyoid bone
- primary function is elevation of the larynx
- digastrics
- geniohyoids
- mylohyoids
- stylohyoids
- hyoglossus
- genioglossus
the membranous chochlear labyrinth, housing the sensory organs of the inner ear
cochlear duct
How many cervical vertebrae are there?
7
CN IV
Trochlear
- The U shaped bone from which the larynx is suspended
- floats under the mandible or lower jaw
- muscles of the tongue and variosu muscles of the mandible, skull, and larynx are attached to this bone
hyoid bone
CN XI (2)
- Accessory
- shoulder, arm, and throat movements (motor)