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127 terms

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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
aur/o
ear
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
ir/o
iris
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
ot/o
ear
ossicul/o
ossicle
papill/o
optic disk
phac/o
lens
phot/o
light
presby/o
old age