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Created by mrc13b2006 

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retina

contains sensitive cells(rods and cones) that transmit light energy to bervous impluses

vasopressin

hormone secreted by the posterior part of the pituitary gland; increases re-absorption of water

chemotherapy

treatment with drugs

acous/o

hearing

ciliary body

contains muscles that contril the shape of the lens and secrete aqueous humor

aldosterone

hormone secreted by the adrenal cortex(outer);increases salt(sodium) reabsorption by the kidney

deoxyribonucleic acid (DNA)

genetic material within the mucleus of a cell

ambyl/o

dull,dim

thyroxine

secreted by the thyrois gland,primary function

lens

transparent body behind the iris and in front of the vitreous humor;refracts light rays to bring them into focus on the retina

electrolyte

mineral salt found in the blood and tissues;potassium is an example

carcinoma

cancerous tumor

anis/o

unequal

adenohypophysis

anterior lobe of the pituitary gland

vitreous humor

jelly-like material behind the lens; helps to maintain the shape of the eyeball

polydipsia

excessive thirst

differentiating agents

drugs that promote tumor cells to differentiate, stop growing and die

aque/o

water

dedifferentiation

loss of disserentiation of cells; reversion to a more primitive type; anaplasia

pupil

dark center of the eye through which light rays enter

calcitonin

hormone secreted by the thyroid gland; lowers blood calcium

cellular oncogenes

ppieces of DNA that can cause normal cell to become malignant

audit/o

hearing

carcinogens

agents that cause cancer; chemicals, drugs, radiation and viruses

mydr/o

widen, large

diabetes mellitus

insulin deficiency or resistance leds to hyperglycemia and ketoacidosis

protocol

plan of treatment

goiter

enlargement of the thyroid gland

secondary complications of diabetes mellitus

associated with meuropathy,nephropathy amd retinopathy

myring/o

eardrum

myxedema

advanced hypothyroidism in adulthood

scirrhous

densely packed tumors

Graves Disease

exophthalmus is a symptom of which endrine disorder; thyrotoxicosis; hypersecretion of the thyrois gland

achondroplasia

defective cartilage formatiom that effects bone growth

nyct/o

night

Cushing syndrome

a group of symptoms produced by excess of cortisol from the adrenal cortex

steroids

complex, naturally occurring chemicals

tetany

constant muscle contraction

opt/o

eye,vision

ocul/o

eye

acromegaly

post-puberty hypersecrestion of growth hormone from the anterior pituitary gland

mucinous

pertaining to tumors filled with mucus

natr/o

sodium

palpebr/o

eyelid

ophthalm/o

eye

morbidity

condition of being dieased

type 1 diabetes mellitus

little or no insulin produced

thyroid scan

administration of radioactive compound and visualization with a scanner to detect tumors or nodules

choroid

vascular layer of the eyeball that is continuous with the iris

pancreatectomy

resection of a gland near and behind the stomach

biologic respponse modifiers

substance produced by normal cells that either directly block a tumor growth ot stimulate the immune system to fight cancer

hyponatremia

blood condition of deficient sodium

adrenal cortex

seecrets cortisol

conjunctiva

delicate memebrane lining the eyelids and covering the anterior eyeball

oxytocin

hormone secreted by the posterior pituitary gland; stimulates contaction of the uterus during labor

alkylating agents

synthetic chemicals containing alkly groups that interfere with DNA synthesis

glucocorticiod

type of hoemonw secreted by the adrenal cortex; necessary for the use of sugars, fats and proteins

insulin

hormone secreted by the pancreas

cornea

fibrous layer of clear tissue that extends over the anterior protion of the eye

glycosuria

sugar present in the urine

anaplasia

loss of differentiation of cells

retinoblastoma

malignant tumor of the eye

iris

colored portion of the eye; surrounds the pupil

tetraiodothyronin

hormone secreted by the thyroid gland; thyroxine

apoptosis

programmed cell death

parathyroidectomy

resection of four small glands in the neck

metastasis

spread of a malignant tumor

sclera

tough, white outer coat of the eyeball

homeostasis

tendency of an organism to maintain a constant internal enviroment

antimetabolites

chemicals that revent cell division by inhibiting formaion of subsances necessary to make DNA

progesterone

hormone secreted by the ovaries(not estrogen)

blephar/o

eyelid

optic disk

region at the back of the eye where the retina meets the optic nerve

hypokalemia

blood condition of deficient potassium

angiogenesis

process of forming new blood vessels

benign

harmless; not cancerous

hyperplasia

increased groeth of cells

accommodation

the normal adjustment of the lens to bring an object into focus

hypothalamus

region of the brain that produces factors to stimulate the pituitary gland

benign

noncancerous growth

chemotherapy

cancer treatment with drugs

dysplastic

pertaining to abnormal formation of cells

macula lutea

a yellowis region on the retinal lateral to the optic disk

adrenocorticotropin

hormone secreted by the anterior lob of the pituitary gland; stimulates the adrenal cortex

antibiotics

chemical substances, produced by bacteria or primitive plants; inhibit the growth of cells in cancer; chemotherapy

oncology

study of malignant tumors

rods

photosensitive receptor cells that make vision in dim light possible

refraction

bending of light rays byt eh cornea, lens and fluids of the eye

glycemia

condition of sugar in the blood

antimitosis

drugs that block mitosis(cell division)

malignant

harmful,cancerous

cones

photosensitive reseptor cells in the retina that make colo perception possible

catecholamine

hormone derived from an amino acid and secreted by the adrenal medulla; epinephrine is an example

adjuvant therapy

assisting primary treatment, additional treatment

carcinoma in situ

localized cancer(has not spread)

parathyroid hormone

hormone that regulates calcium in the blood and bones

cochle/o

cochlea

ACTH

hormone that stimulates the adrenal cortex to secrete hormones

polypoid

growths that are prijections from a base

dacry/o

tears, tear duct

lacrim/o

tears

conjunctiv/o

conjunctiva

sodium

an example of an electrolyte(what it is made of)

firbrosarcoma

malignant tumor of fibrous tissue

dipl/o

double

mi/o

smaller,less

cor/o

pupil

iodine

element that is present in thyroxine

glauc/o

gray

gyneccomastia

excessive development of mammary tissue in a male

corne/o

cornea

estrogen

hormone secreted by the ovary and adrenal cortex

mitosis

replication of cells

kal/o

potassium

cycl/o

ciliary body

gonadotropins

secrested by the anterior lobe of the pituitary gland(sex)

differentiation

specialization of cells

kerat/o

cornea

relapse

return of disease symptoms

ossicul/o

ossicle

papill/o

optic disk

phac/o

lens

phot/o

light

presby/o

old age

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