Chapter 12 Flashcards
(115 cards)
What are the sensory neurons in the skin called?
Somatic Sensations
Which pain receptors are stimulated when you immediately hurt yourself?
Fast pain receptors
Which pain receptors send pain signals days or weeks after you are hurt?
Slow pain receptors
What are stretch receptors associated with?
joints, muscles, and tendons
What are the 5 special senses?
Hearing, balance, taste, smell, vision
Our sense of hearing helps us distinguish between sounds of different…?
amplitude and tone
What is amplitude and tone?
amplitude is loudness and tone is frequency
Which part of the ear do sound waves travel down the auditory canal, and hit the ear drum causing it to vibrate?
outer ear
In the middle ear, vibrations of the tympanic membrane cause vibrations in 3 small bones called?
malleus(hammer), incus (anvil), and stapes(stirrup)
What does the stapes vibrate against?
the oval window
Where is all the vibrational energy that hits the tympanic membrane focused on?
the oval window
What does the eustachian tubes connect?
middle ear and pharynx
What opens the eustachian tubes?
yawning or chewing
What can cause deafness?
middle ear infections
In the inner ear, the hair cell mechanoreceptors within the cochlea convert sound vibrations into what?
nervous impulses
What are the three fluid filled canals within cochlea?
Vestibular canal
Cochlear duct
tympanic canal
Where is the organ of corti?
within the cochlear duct
What does the organ of corti consist of?
tectorial membrane
hair cells
basilar membrane
auditory nerves
The pressure waves created in oval window in fluid of what canal to canal?
vestibular canal and travel around to tympanic canal.
in 2nd step of inner ear, the waves are formed across which membrane?
basilar membrane
What does the vibration in the basilar membrane cause?
sound vibration frequency
What cells are part of the basilar membrane?
hair cells
The tips of the hair brush against which membrane?
tectorial membrane
Does the tectorial membrane vibrate?
NO