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Week 15-16 Overview
 Chapter 16 Special Senses
review with oral practice lecture
pgs. 540- 566
 Quick medications review pg. 136
 Getting ready for final using pgs.
137-145
 Medical Language Lab
Business 86, Medical Terminology
SPECIAL SENSES
Business 86, Medical Terminology
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
Business 86, Medical Terminology
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 glandsdacryo
Lacrimal canliculi
Business 86, Medical Terminology
Business 86, Medical Terminology
Disorders/Pathology of the Eye
Errors of refraction
Myopianearsightedness
Hyperopiafarsightedness
Astigmatism- the
light rays are bent
unequally causing
blurred vision
Business 86, Medical Terminology
CataractsA 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
Business 86, Medical Terminology
Procedures
Visual acuity test- Snellen Chart
Tests vision
Evisceration
Partial or all removal of an eye
Retinoscopy
Visual examination of the retina
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)
VertigoAbnormal sensation of movement
Business 86, Medical Terminology
Procedures
Otoscopy
Audiometry
Myringotomy
otoplasty
Business 86, Medical Terminology
Abbreviations
AD- right ear
OD- right eye
AS-left ear
OS- left eye
ENT- ears nose
and throat
OU- both eyes
EOM- extra ocular
movement
REM- rapid eye
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
Elements
aden/o
aque/o, hydr/o
ambly/o
audi/o
blephar/o
choroid/o
conjunctiv/o
dacry/o
dipl/o
irid/o
kerat/o
Meaning
gland
water
dim, dull
hearing
eyelid
choroid
conjunctiva
tear, lacrimal
double
iris
cornea
Business 86, Medical Terminology
ELEMENT
MEANING
myc/o
myring/o, tympan/o
ocul/o, ophthalm/o, opt/o
ot/o
presby/o
py/o
retin/o
salping/o
sclera/o
xanth/o
-cusia
-ectomy
-edema
-ia
-itis
-malacia
fungus
tympanic membrane
eye
ear
old age
pus
retina
eustachian tube or fallopian tube
hardening, sclera (white of the eye)
yellow
hearing
excision, removal
swelling
noun ending
inflammation
softening
Business 86, Medical Terminology
ELEMENT
MEANING
-opia, -opsia
-pathy
-ptosis
-rrhaphy
-rrhexis
-spasm
-stenosis
-tomy
-tropia
-extra
hyperintra-
vision
disease
prolapse, falling, dropping
suture
rupture
involuntary contraction, twitching
stricture, narrowing
incision, cut into
turning
outside
excessive
within
Business 86, Medical Terminology
Special Senses Worksheets
pages 132-135
Medication Review page
136 syllabus
Business 86, Medical Terminology
Review for the Final
Pages 137-145
Business 86, Medical Terminology
Homework
Complete and study for Final
Exam using pgs. 137-145
(syllabus)
Complete pgs. 132-135 (syllabus)
Complete pgs. 567-578 (book)
Term Plus Special Senses-TE
and MV
Business 86, Medical Terminology