Senses Flashcards
area monitored by a single receptor cell
receptive field
reduced neural sensitivity to a constant stimulus
adaptation
a receptor stimulated by a variety of stimuli occurring at a level that may produce tissue damage
nocioceptor
Conscious perception of a sensation occurs in the ____.
cerebral cortex
pain perceived as coming from an area without tissue damage;
e.g. pain that originates in viscera but is perceived as originating in cutaneous areas
referred
Receptors that respond to touch or pressure are _____.
mechanoreceptors
a receptor stimulated by vibration
Pacinian
receptors that monitor carbon dioxide in the blood
chemoceptors
the sense of gustation
taste
structure that separates the external ear from the middle ear
tympanic membrane
What connects the nasopharynx to the tympanic cavity?
auditory tube
The base of the ___ covers the oval window of the inner ear.
stapes
fluid between the bony labyrinth and the membranous labyrinth of the inner ear
perilymph
structures in the inner ear that contain receptors for rotational movement of the head
semicircular canals
Receptors in the ___ are stimulated when otoliths shift the maculae as the head moves vertically.
saccule
Hair cells in the ___ are stimulated by sound.
cochlea
visual infomation travels from the optic nerve to the optic chiasm to the optic tract to the _____ of the thalamus
lateral geniculate nucleus
epithelium covering the inner surface of the eyelids and the anterior surface of the cornea
conjunctiva
The ____ gland is located in the superior, lateral corner of the orbit.
lacrimal
The anterior chamber of the eyeball is between the cornea and the ____.
iris
bundle of axons leaving the retina
optic nerve
coordination of eye movement with movement of the head
vestibulo-ocular reflex
special sense not routed by the thalamus to the cerebrum
olfaction
fluid that drains into canals of Schlemm
aqueous humor
