Medical Terminology

1
Medical Terminology

• Chapter 16
• Special Senses

2
Structures of Eyes

• Sclera
• conjunctive
• choroid
• retina
• cornea
• lens
• anterior cavity
• aqueous humor

3
Structures of Eyes

• Iris
• pupil
• vitreous chamger
• vitreous humor
• rods and cones
• optic nerve
• optic disc

4

• Eyelids
• canthus
• epicanthus
• Eyebrows/Eyelashes
• cilia or eyelashes
• Conjunctiva

canthus
sclera
5
Eyeball
Choroid coat
Iris
Pupil
Cornea
Lens
6
Eye Chambers
Retina
Ocular, Aqueous Humor
Vitreous Humor
Optic Nerve
7
Lacrimal Apparatus

• Structures that produce, store, and remove tears
• lacrimal glands
• lacrimal fluid
• lacrimation

8
Ears

• auditory
• audi/o and audit/o
• acoustic
• ot/o

9
Outer or External Ear

• pinna or auricle
• auditory canal
• cerumen

10
Middle Ear

• tympanic membrane
• auditory bones
• malleus
• incus
• stapes
• eustacian tube
• oval window

11
Inner Ear

• cochlea
• cochlear duct
• organ of Corti
• semicircular canals
• equilibrium

12
Action of Eyes

• Accommodation - process whereby the eyes make
  adjustments for seeing objects at various
  distances
• constriction or dilation of pupil
• changes in shape of lens
• Refraction - ability of lens to bend the light
  rays to help them focus on the retina

13
Refractive Errors

• ametropia
• myopia
• hyperopia
• presbyopia
• astigmatism

myopia
hyperopia
14
Cataract

• Intracapsular extraction
• cryoprobe
• Extracapsular extraction

15
Glaucoma

• Intraocular pressure
• miotics
• partial iridectomy
• tonometer

16
Strabismus

• Extropia
• esotropia
• amblyopia

17
End Lesson 13

• Chapter 16
• Special Senses