Special System Flashcards
(52 cards)
Highly localized receptors that provide information Highly localized receptors that provide information
Special Senses
Response to airborne molecules, called odorants
Smell
What are the 5 basic types of taste exist
Salty, sour, sweet, bitter, and umami
What is the function of CN (I) - Olfactory
Smell
What is the function of CN (II) - Optic
Vision
What are some examples of primary odors
Musky, floral, pepperminty, ethereal, pungent, putrid, and camphoraceous
What are the 5 special senses
Smell, taste, sight, hearing, and balance
Olfaction response to airbone molecules called _________
Odorants
How many different odorant receptors are there approximately
1000
Where do acons from olfactory nerves extend to
Olfactory bulbs
Where do interneurons in the olfactory bulb connect to?
Olfactory cortex
Which taste is the most sensitive?
Bitter
What other stimuli can the tongue detect?
Temperature and texture
Which nerve carries taste sensations from the anterior 2/3 of the tongue?
Facial nerve
Which nerve carries taste sensations from the posterior 1/3 of the tongue?
Glossopharyngeal nerve
Which nerve carries taste sensations from the epiglottis
Vagus nerve
It is used to prevent perspiration from entering the eyes
Eyebrows
It protect the eyes from foreign objects
Eyelids
It initiate reflex blinking
Eyelashes
It secrete tears
Lacrimal glands
What do tears contain?
Water, salts, mucus, and lysosomes
What are the layers of the eyeball?
Fibrous layer, vascular layer, nervous layer
It is the white connective tissue maintaining the eyeball shape
Sclera
Transparent and refracts light entering the eye
Cornea
