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specialsense final
special sense week 4 final review
| Question | Answer |
|---|---|
| astigmatism | defective curvature of the cornea or lens of the eye |
| hyperopia | farsightedness |
| myopia | nearsightedness |
| presbyopia | impaiment of vision due to old age |
| cornea | fibrous transparent layer of clear tissue that extends over the eyeball |
| sclera | tough, white outer coat of the eyeball |
| choroid | middle, vascular layer of the eye |
| retina | light-sensitive nerve cell layer of the eye containing rods and cones |
| macula | yellowish region on the retina lateral to and slightly below the optic disc |
| fovia centralis | contained in macula, tiny pit/depression in the retina; clearest point of vision |
| rods | photorecptor used to see black and white |
| cones | photoreceptors used to see color |
| cones | 6.5 million |
| rods | 120 million |
| vitreous humor | soft, jelly-like material behind the lens; maintains shape of eyeball; postior chamber |
| aqueous humor | fluid produced by the ciliary body and found in anterior chamber; anterior chamber |
| glaucoma | increased intraocular pressure in the aqueous humor |
| tonometry | used to diagnose glaucoma |
| conjunctiva | delicate membrane lining the undersurface of the eyelids and covering the anterior eyeball |
| conjunctivitis | pink eye; infection in the conjunctiva |
| blephar/o | eyelid |
| palpebr/o | eyelid |
| cycl/o | ciliary body |
| presby/o | old age |
| xer/o | dry |
| diabetic retinopathy | retinal effects of diabetes mellitus |
| macular degeneration | progressive damage to the macula of the retina |
| ciliary body | surrounds the lens and connects the choroid and iris |
| self cleaning | ear |
| pinna/auricle | flap of the ear |
| auditory canal | channel that leads from the pinna to the eardrum |
| middle ear | where the sounds waves travel through to hit the membrane |
| ot/o | ear |
| otitis media | ear infection |
| vistubular cochlear nerve | acoustic nerve; cranial nerve #8 |
| semicircular canal | passages in the inner ear associated with maintaining equilibrium |
| semicircular canal connects to what | ampula |
| cochlea | snail-shaped spirally wound tube in the inner ear; contains hearing sensitive receptor cells |
| organ of corti | organ of hearing |
| tympan/o | eardrum |
| myring/o | eardrum |
| perilymph | outer part of cochlea |
| endolymph | inner part of cochlea |
| malleus | first ossicle of the middle ear |
| incus | second ossicle of the middle ear |
| stapes | third ossicle of the middle ear |
| conductive hearing loss | hole in the eardrum |
| neurosensory hearing loss | nerve damage |
| cholesteatoma | collection of skin cells and cholestrol in a sac with in the middle ear; errods bones |
| acoustic neuroma | benign tumor airsing from the acoustic vestibulocochlear nerve in brain |
| meniere | disorder in the labyrinth of the inner ear |
| otosclerosis | hardening of the bony tissue of the middle ear |
| autonomic nervous system | nerves that control involuntary body functions of muscles, glands and internal organs |
| arachnoid membrane | middle layer of the 3 meninges that surround brain and spinal cord |
| astrocytes | type of glia cell that transports water and salts from capillaries |
| cauda equina | collection of spinal nerves below the end of the spinal cord |
| central nervous system | brain and spinal cord |
| dura mater | thick, outer most layer of the meninges surrounding and protection the brain and spinal cord |
| ganglion | collection of nerve cell bodies in PNS |
| glial cell | supportive and connective nerve cells that DOES NOT carry nerve impulses |
| gyri | sheet of nerve cells that produces a rounded ridge on the surface of the cerebral cortex |
| hypothlamus | portion of the brain beneath the thalamus; controls sleep, appetite, body temp, |
| meninges | 3 protective membranes that surround the brain and spinal cord |
| microglial cell | phagocyte glial cell that removes waste products from the CNS |
| nerve | macroscopic cord like collection of fibers THAT carry electrical impulses |
| neuron | nerve cell that carries impulses throughout the body |
| oligodendroglial cell | glial cell that forms the myelin sheath covering axons |
| peripheral nervous system | nerves outside the brain and spinal cord; cranial, spinal, autonomic nerves |
| pia mater | thin, delicate inner membrane of the meninges |
| sulci | depression or groove in the surface of the cerebral cortex |
| thyroid | thyroxine(t4), triiodothyronine(t3), calcitonin |
| adrenal cortex | corisol, aldosterone, androgens |
| pituitary | growth hormone(somatropin)GH, Thyroid Stimulating Hormone(TSH), Adrenocorticottropic hormone(ACTH, Follicle-stimulating hormone(FHS), Lutenizing Hormone(LH), Prolactin(PRL) |
| Pancreas | insulin, glucagon |
| rhytidectomy | facelift |
| otoplasty | surgical creation of the external ear |
| blepharoplasty | resection of the eyelid to improve vision of the upper visual field |
| pedicle graft | provide coverage and vascularization to a soft tissue defect |
| skin graft | replace skin that has been lost as result of trauma disease, infection |
| first-degree burn | burn involving only epidermis |
| second-degree burn | damage occurs to both epidermis and dermis |
| third-degree burn | may be electricl, chemical, thermal...permanent damage to skin and tissue |
| facial augmentaion | preformed to give normal contours to chin and cheek; use implants to achieve this |
| mentoplasty | Chin augmentaion |
| Molar augmentation | cheek augmentation |
| augmentation mammoplasty | increase the size/shape of the breast |
| Transverse rectus abdominis myocutanous Flap...TRAM | performed to reconstruct the breast without the use on implants |
| liposuction | remove excess deep fat |
| panniculectomy(abdominoplasty) | remove excess skin and adipose tissue from the abdominal wall |
Created by:
a1h12
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