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SENSORY ORGANS & SYSTEM - Coggle Diagram
SENSORY ORGANS & SYSTEM
Types of Sensory Receptors
type of stimulus
mechanoreceptors (respond to touch/pressure)
thermoreceptors (respond to temperature changes)
photoreceptors (respond to light)
chemoreceptors (respond to specific chemicals)
nociceptors (respond to damaging stimuli)
location on the body
exteroceptors (respond to stimuli outside of the body)
interoceptors (respond to stimuli inside the body)
propriceptors (respond to stimuli in skeletal muscle & related connective tissue)
structure
nonencapsulated & encapsulated nerve endings
lamellar & bulbous corpuscles
muscle spindles
tendon organs
joint kinesthetic receptors
The Senses
touch
types of nerves
mixed nerves
transmit impulses to&from CNS
sensory nerves
transmit impulses to CNS
motor nerves
transmit impulses from CNS
vision
eyebrow (prevent sweat from trickling into the eyes)
eyelashes (trigger reflex blinking)
eyelid (cover&protect the eye)
hearing
smelling
tasting
allows perception of taste
approximately 10,000 taste buds found on papillae
gustatory epithelial cells (chemoreceptors)
basal epithelial cells (stem cells that replace gustatory epithelial cells as it damaged or burnt
taste sensations
salty
sweet
bitter
sour
umami
