Question | Answer |
lacrimal glands | located by the outer corner of the eye, produce lacrimal fluid (tears) |
lacrimal sac | upper expanded portion of the lacrimal duct |
lens | also called the crystalline connected to the choroid |
malleus | bone closest to the tympanic membrane, known as the hammer |
medulla oblongata | |
meibomian glands | small glands that lubricate the eye |
meninges | are three layers of membranes that surrond and protect the brain and spinal |
microglia | a neuroglia supportive cell |
midbrain | |
middle ear | |
motor nerves | carry impulses from the brain to the appropriate body structure. |
myelin | a white fatty tissue that covers the axon |
nasolacrimal duct | fluid is carried away from the lacrimal ducts via |
neuroglia | the nerve cells that support the the nervous system |
neurologist | physician specialist |
neruology | the medical study of nerves |
neuron | transmit nerve impulses from the body to the brain and back to the body |
neurosurgeon | physician that practices surgery on nerves |
nucleus | |
occipital lobe | |
oligodendroglia | a neuroglia supportive and connective cell |
ophthalmologist | physician specialist |
opthalmology | is the medidcal specialty related to the eye |
optic disk | located at the back of the eye, is the area where the nerve endings of the retina come together to form the optic nerve |
optic nerve | transmits sensory impulses for sight |
optician | is an allied health technician who is trained to fit prescription eyeglasses and contact lenses and also grinds lenses for eyeglasses |
optometrist | nonphysician eye specialist who has a degree in optometry |
optometry | degree |
orbit | |
organ of Corti | inner ear |
ossiclces | middle ear three small bones |
otologist | physician specialist of the ear |
otology | medical study of the ear |
otorhinolaryngologist | physician specialist of the ear, nose and throat |
otorhinolaryngology | medical specialty of the ears |
oval window | stape vibrate against the oval window, which seperates the middle ear from the inner ear |
parietal lobe | receives and interprets impulses from the sensory receptors |
peripheral nervous system (PNS) | cranial and spinal nerves |
pia mater | web like tissue with several strands that attach to the inner membrane layer |
pinna | cartilaginous flap that directs sound waves into the external auditory canal |
pons | |
posterior chamber | area behind the lens |
pupil | |
retina | inner layer of the eye |
rods | nerve cells in the retina, responsible for vision in dim light and peripheral vision |
sclera | outer layer of the eye |
semicircular canals | inner ear part |
sensory nerve | carry impulses from the body to the brain |
somatic nervous system (SNS) | peripheral nervous system is responsible for voluntary movements and responses such as walking, talking and swimming |
spinal cord | central nervous system |
spinal nerve | 31 pairs are nerve known as the peripheral nervous system |
stapes | middle ear bone, known as the stirrup |
sulci | grooves in the cerebral cortex |
sulcus | a single groove in the cerebral cortex |
suspensatory ligament | the lens is connected to the choroid |
synapse | space between neurons or a neuron and an organ |
temporal lobe | is responsible for hearing and smell |
terminal end fibers | branching fibers that lead the impulse away from the axon. |
thalamus | |
tunic | |
tympanic membrane | transmits soundwaves to the middle ear |
uvea | the choroid, iris and ciliary body are called this |
vestibule | inner ear |
vitreous humor | the posterior cavity is filled with a clear jelly-like substance, this gives your eyeball its shape, it is also necessary for sight. |
acoustic nerve | transmits impulses necessary for hearing and balance; also called the auditory nerve |
afferent nerve | carry impulses from the body to the brain |
anaterior chamber | area in front of the lens |
aqueous humor | |
arachnoid membrane | web like tissue of the meninges, middle layer |
astrocyte | a neuroglia that is supportive and conncective cells |
audiologist | specializes in evaluating hearing potential and hearing loss |
audiology | study, evaluation, and measurement to the hearing potential and loss |
auricle | cartilaginous flap that directs sound waves into the exteranal auditory canal |
autonomic nervous system (ANS) | is responsible for involuntary movements and responses such as hormone secretion |
axon | send impulses away from the body |
brain | central nervous system |
brain stem | |
cauda equina | lower end of the spinal cord and spinal nerve roots |
cell body | neuron consist of |
central nervous system (CNS) | brain and spinal cord |
cerebellum | |
cerebral cortex | outer layer of the cerebrum and is characterized by folds and grooves |
cerebrospinal fluid (CSF) | flows in and around the brain and spinal cord, CSF cushions the brain and spinal cord |
cerebrum | |
cerumen | protects and lubricates ear (earwax) |
ceruminous glands | prodeuce cerumen (ear wax) |
chorid | middle layer of the eye |
cilia | hairs that line the auditory canal, help direct sound waves through the canal |
ciliaary body | lens is connected to the choroid by |
cochlea | is a spiral or snail shaped structure that contains auditiory fluid and the organ of Corti |
cones | are responsible for vision in bright light, central vision and color visioin |
conjunctiva | is a mucous membrane that lines the outer surface of the eye and the inside of the eyelid |
cornea | transparent anterior portion of the sclera that covers the iris |
corpus callosum | |
cranial nerves | 12 pairs of these, are the peripheral nervous system |
crystalline lens | connected to the choroidby the ciliary |
dendrite | branchlike structures that receive impulses and send them to the cell body |
dura mater | outer layer of the meninges, tough white connective tissue just beneath the skull |
efferent nerves | carry impulses from the brain to the appropriate body structure |
eustachian tube | connects the middle ear to the pharynx |
external auditory canal | |
external ear | visible parts of the ear |
eye socket | bony cavity of the skull that houses and protects the eyeball |
eyebrow | prevent foreign matter from reaching the eyes |
eyelash | prevent foreign matter from reaching the eyes |
eyelid | prevent foreign matter from reaching the eyes |
frontal lobe | responsible for motor function |
gyri | |
gyrus | a single fold in the cerebral cortex |
hypothalamus | |
incus | middle ear bone, known as the anvil, |
inner ear | hearing balnce and equilibrium |
internal ear | buried in the bony framework of the cranium. |
iris | gives eye their color, is a muscular ring that surronds the pupil |
labyrinth | inner ear, includes (9) vestibules |
lacrimal duct | drain lacrimal fluid away from the eye and into the nose |
lacrimal fluid | tears |