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Nervous System
nervous system
| 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 |
Created by:
dunningk
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