Business 86, Medical Terminology Week Overview  Chapter 16 Special Senses review with oral practice lecture pgs  Quick medications review pg. 136  Getting ready for final using pgs  Medical Language Lab

Business 86, Medical Terminology SPECIAL SENSES

The Eye/Parts of the Eye  Sclera- sclero- the white of the eye- outer covering of the eye  Choroid- choroido- Vascular layer- middle layer-of the eye lying between the retina and the sclera  Retina- inner lining of the eye, light-sensitive tissue at the back of the eye that transmits visual impulses via the optic nerve to the brain  Cornea- kerato- The clear part of the eye located in front of the iris. Part of the eye’s protective covering

Business 86, Medical Terminology

 Aqueous Humor- watery fluid that fills the anterior and posterior chambers of the eye  Anterior chamber- Part of the eye behind the cornea and in front of the iris and lens  Posterior chamber- space between the iris and the lens

Business 86, Medical Terminology  Iris- irido- a muscle that allows light rays in and it determines the color of the eye  Pupil- a hole  Lens-located behind the iris, helps light focus onto the retina  Ciliary muscles- the muscle that helps the lens to change shape  Vitreous humor-transparent mass of gel that lies behind the lens and in front of the retina. It fills the center of the eye  Optic nerve- nerve in the back of the eye that carries visual images to the brain  Optic disc- blind spot- the area where the optic nerve connects to the retina  Muscles- allows movement of the eye

Business 86, Medical Terminology Eye lids- blepharo Lacrimal glands- dacryo Lacrimal canliculi

Disorders/Pathology of the Eye Errors of refraction  Myopia- nearsightedness  Hyperopia- farsightedness  Astigmatism- the light rays are bent unequally causing blurred vision

Business 86, Medical Terminology  Cataracts- A clouding of the lens  Glaucoma A build up of pressure from aqueous humor  Strabismus- lazy eye; The muscle is weak

Business 86, Medical Terminology More Pathology  Conjunctivitis- inflammation of the lining of the eye- pinkeye  Achromatopsia- color blindness  Presbyopia- old age vision  Nyctalopia- night vision

Business 86, Medical Terminology

Procedures VVisual acuity test- Snellen Chart Tests vision EEvisceration Partial or all removal of an eye RRetinoscopy Visual examination of the retina GGonioscopy Visually examining for pressure

Business 86, Medical Terminology The Ear

Business 86, Medical Terminology Major Sections External  Auricle or Pinna  Ear Canal  Tympanum

Business 86, Medical Terminology Middle Ear Tympanic Cavity  Malleus- hammer  Incus- anvil  Stapes- stirrup  Eustachian Tube

Business 86, Medical Terminology Inner Ear Labyrinth  Oval window-  Cochlea-  Semicircular canals  Vestibule  Auditory nerve

Business 86, Medical Terminology Disorders of the Ear  Otitis Media Inflammation of the middle ear  Otosclerosis Hardening of the ossicles (bones)  Meniere’s Disease A balance disorder of the inner ear, causing pressure in one or both ears, hearing loss, tinnitus (ringing in the ears), nausea and vomiting, nystagmus (uncontrolled jerky eye movements)  Vertigo- Abnormal sensation of movement

Business 86, Medical Terminology Procedures  Otoscopy  Audiometry  Myringotomy  otoplasty

Business 86, Medical Terminology Abbreviations AD- right earOD- right eye AS-left earOS- left eye ENT- ears noseOU- both eyes and throat EOM- extra ocularREM- rapid eye movement movement

Business 86, Medical Terminology Medications  Antibiotics- anti-infectives  Miotics/cholinergics- constrict  Mydriatics- dilate  Saline solution- moisten

Business 86, Medical Terminology SPECIAL SENSES: THE EYES AND EARS ELEMENTS ElementsMeaning aden/ogland aque/o, hydr/owater ambly/odim, dull audi/ohearing blephar/oeyelid choroid/ochoroid conjunctiv/oconjunctiva dacry/otear, lacrimal dipl/odouble irid/oiris kerat/ocornea

ELEMENTMEANING myc/ofungus myring/o, tympan/otympanic membrane ocul/o, ophthalm/o, opt/oeye ot/oear presby/oold age py/opus retin/oretina salping/o eustachian tube or fallopian tube sclera/ohardening, sclera (white of the eye) xanth/oyellow -cusiahearing -ectomyexcision, removal -edemaswelling -ianoun ending -itisinflammation -malaciasoftening

Business 86, Medical Terminology ELEMENTMEANING -opia, -opsiavision -pathydisease -ptosisprolapse, falling, dropping -rrhaphysuture -rrhexisrupture -spasminvoluntary contraction, twitching -stenosisstricture, narrowing -tomyincision, cut into -tropiaturning -extraoutside hyper-excessive intra-within

Business 86, Medical Terminology Special Senses Worksheets pages Medication Review page 136 syllabus

Business 86, Medical Terminology Review for the Final Pages

Business 86, Medical Terminology Homework Complete and study for Final Exam using pgs (syllabus) Complete pgs (syllabus) Complete pgs (book) Term Plus Special Senses-TE and MV