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type of sensory organ (type of stimulus (photo receptor (light),…
type of sensory organ
type of stimulus
photo receptor (light)
chemoreceptor (chemicals subs ex:taste, smell)
thermoreceptor (thermal/heat)
mechanoreceptor (touch/pressure)
nociceptors (damaging stimuli)
structure
joint kinesthetic receptors
tendon organ
muscle spindles
lammollar & bullbous corpuscles
nonencapsulated & encapsulated nerve ending
senses
touch
pain
temperature
vibration
ear
middle ear
tymphanic malleus
incus
malleus
stapes
tympanic cavity
inner ear
vestibular & cochlea nerve
round window
vestibule
cochlea
scala vestibuli
scala media
coclear duct
spiral organ (receptors hearing)
scala tymphanic
austachian tube
external ear
auricle
auditory canal
helix
lobule
eyes
eyelashes (trigger reflex blinking)
eye structure
cornea
choroid
vascular layer
ciliary body
iris
sclera
outer fibrous layer
vitreous humor
a clear fluid filled inside
rectus muscle
control motion of eyes
lacrimal apparatus
lacrimal gland
produce tears & clean eye
nasolacrimal duct
retina
rods
dim light & peripheral vision
pigment epithelium
outer layer
cones
bright light
conjuctiva
lining the eyebal
lens
focus light on retina using epithelium fibers
eyelid (cover and protects eye)
reflective & blink every few secong to spread secretions to keep eyes moist
eyebrow
prevent sweat entering the eyes
tongue
circumuallate papilla
taste bud
combination of gustatory epithelial cells-chemoreceptor
basal epithelial cells act as stem cells and replace broken gustatory epithelial cells
nose
olfactory epitha;ium
olfactory bulb
chemoreceptor
determine the substance (smell)
nasal chonchae
location
interoceptor (inside body)
proprioceptors (skeletal & connective tissue)
exteroceptors (outside body)