Histology Of Specual Senses Flashcards
sensation is formed based on the——
Sensory input
SENSATION are feelings that occur when your Brain——- the——
-at the same time the sensation is being formed, the brain uses—- to send sensations back to the—— so that we can——-
interpretes
sensory inputs
projection
origin
pinpoint the area of stimulation
SENSORY ADAPTATION
- at this point, sensory impulses are sent at ——-rates until the receptors—— to send impulses
- unless there is a———
decreasing
fail
change in strength of stimulus
INNER EAR
- bending of hair cells lead to influx of———
- and this causes the release of an NT from vesicles which stimulate the ends of nearby sensory neurons
calcium ions
Auditory Pathway
- cell bodies of the first order neuron are——- and in—— ganglion(—-ganglion)
- the first order neuron passes the—— angle—— reaching the cochlear nucleus
- cochlear portion of CN 8 is—— and —— to the vestibular portion of CN8
bipolar; spiral; cochlear
cerebellopontine
before
anterior; inferior
cerebellopontine angle is where——-,———, and—— meet
——— and ——- nerve passes the angle
cerebellum
medulla oblongata
pons
facial and vestibulocochlear
cochlear nucleus——- but doesn’t——- information received from auditory nerve
preserves
enhance
TRAPEZOID BODY
- first—— in auditory pathway
- at the level of——
- highway of axons
- beginning of——-
decussation
pons
bilateral representation
Superior olivary nucleus
-plays a role in——- reflex
acoustic
Brodmann areas—- and—- are parts of the primary auditory cortex. (Aka ——)
41 and 42
Transverse gyrus of heschi
Visual Association Area is area——
18
Brodmann area 22 include producing____, semantic processing, and processing of——-
complex sounds.
sentences
STATIC EQUILIBRIUM
-hair cells contact gelatinous material called——-
——-causes the gelatin and—— to—-, thereby—— the hair cells and generating a nerve impulse
otoliths
gravity
otoliths
shift
bending
DYNAMIC EQUILIBRIUM
-hair cells extend into a—- shaped gelatinous substance called——
———turning of head of body generates impulses as the—— and—— bend
-mechanoreceptors called——- associated with joints and changes detected by the—— also helps with equilibrium
dome; cupula
rapid ;cupula; hair cells
proprioception
eyes
SENSE ORGAN
- main organ is the——
- accessory organs include,——-,——,———
eyeball
the lacrimal apparatus
eyelids
extrinsic muscles
eyelids:
protects eye from——-
made up of——- skin of body
lined with——-
foreign objects
thinnest
conjunctiva
the lacrimal apparatus: produce—— ——and—- the eye ——-drain tears into the——- tears contain———- enzyme
tears
lubricate
cleanse
2 small ducts; nasal cavity
antibacterial
STRUCTURE OF THE EYE
-sclera is——;cornea is——
-choroid coat is—— ,——- and does 2 things which are to—— and to——
——-humour goes from post chamber to anterior through the——
-macula centralis or macula—-
-the 2 humors also—- light but—-
white; transparent
vascular; darkly pigmented
Nourish the other structures in the eye
keep the inside of the eye dark
aqueous; pupil
lutea
refract; not by much
Which are elongated and which are blunt shaped between rods and cones
rods are elongated and cones are blunt shaped
retina can be seen through a———
funduscopy
photoreceptors use Gprotein called——-
transducin
Which is more sensitive. Rods or cones
rods are more sensitive than cones
if all cones are stimulated, the color is——-; if none are stimulated, the color is——
white
black
