a&p chapter 16
the sclera
-provides for eye shape -is made of dense connective tissue
Order these from superficial to deep
-sclera -choroid -pigmented layer of retina -neural layer of retina
which of the terms indicate a receptor type that is classified by its modality of a stimulus
-thermoreceptors -mechanoreceptors -chemoreceptors
place layers of the eye in order from superficial to deep?
1- fibrous tunic 2- vascular tunic 3-retina
order these structures in the order that tears travel through them
1- lacrimal puncta 2. lacrimal canaliculus 3- lacrimal sac 4-nasolacrimal duct
put the structures in order from anterior to posterior
1. iris 2. ciliary body 3 choroid
gustatory cells are:
Chemoreceptors
what is the function of the auditory ossicles?
amplify sound and transmit sound waves to inner ear
chemoreceptors
are receptors that detect chemicals
middle of the ear tubs to the nasopharynx
auditory, eustachian, and pharyngotympanic
most visible part of the external ear is called the ______ or ______
auricle or pinna
what structure is filled with pigment from melanocytes?
choroid
the junction of the palpebral and ocular conjunctiva is called
conjunctival fornix
when light hits the eye, the pupil ____ in bright light or _______. in dim light
constricts or dilates
the limbus is the junction between the sclera and:
cornea
which are part of the fibrous tunic
cornea and sclera
which of the following are part of the fibrous tunic
cornea and sclera
where are mechanoreceptors found?
ear and skin
cutaneous receptors are a type of
exo
the auricle directs sound waves into the bon tube called
external acoustic meatus
in a taste bud the basal cell replace the ______ cells
gustatory
the vitreous body is also called the vitreous
humor
where is the cochlea located?
inner ear
specific types of receptors called _________ detect stimuli in the internal organ
interoreceptors
the conjucti
is vascular
a lack of photoreceptors in tis structure creates the "blind spot"
optic disc
the at surrounding the eye is called what
orbital
the fat surrounding the eye is called
orbital fat
the lacrimal gland has a superior or _______ part and an inferior or ________ part
orbital or palpebral
the eyelids are also called
palpebrae
as tears drain, through lacrimal caruncle, they enter small holes called
puncta
the _____ the black hole in the eye, is surrounded by the colorful_________
pupil, iris
the lens is _______ when we are viewing up close objects
round
the ciliary muscles are made of
smooth muscle
which auditory ossicle contacts the oval window
stapes
which auditory ossicles contacts the oval window?
stapes
the lacrimal gland is located?
superior and lateral to the eye
the most numerous type of receptor?
tactile receptors
we have the ability to distinguish one odor among _______ of different ones
thousands
which are true of the cornea?
transparent and avascular
what type of papillae is the largest and least numerous ?
vallate
hearing and our sense of balance comes from the stimulation of which cranial nerve
vestibulocochlear
There are 2 types of nociceptors, somatic nociceptors and ______ nociceptors
visceral