Special Senses Flashcards
an instrument used by eye specialists to visualize the retina & the blood vessels in it thru the pupil
Opthalmoscope
the study of the structure, functions & diseases of the eyes
Opthalmology
a physician who specializes in the diagnosis & treatment of eye disorders
Ophthalmologist
– licensed specialist who examines & tests the eyes for visual defects
Optometrist
– a technician who fits/adjusts lenses with the prescription of an optometrist/ophthalmologist.
Optician
the means by which the brain receives information from the ‘outside world’.
Senses
anything from the inside or outside the body that can cause a response in a nerve, muscle, gland or other tissue
Stimulus
the conscious awareness of stimuli received
Sensation or perception
peripheral ending of the functional dendrites of afferent neurons
Sensory receptors
group of structures which convert the energy of a stimulus into sensation
Sensory assemblage
transforms the energy of the stimulus to an electrical form
Receptor
these are peripheral nerves thru which impulses can be conducted
Pathway to the brain
the cerebral cortex is where nerve impulses give rise to sensation
Sensory area