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Medical Terminology

Medical Terms

TermDefinition
Anatomical position Body erect, feet slightly apart, palms facing forward with thumbs pointing away from body.
Superior Toward the head end or upper part of a structure or the body; above. (cranial)
Anterior Toward or at the front of the body; in front of. (ventral)
Inferior Away from the head end or toward the lower part of a structure or the body; below. (caudal)
Posterior Toward or at the back of the body; behind. (dorsal)
Cardiac Pertaining to the heart
Epicardium Tissue upon the heart
Subendocardial Pertaining to beneath and within the heart
Keloid A thickened scar
Myalgia Muscle pain
Ecchymosis A bruise
Petechia Minute hemorrhagic spotl indicates a bleeding tendency.
Nevus A mole
Urticaria Hives
Xeroderma Dry skin
Pruritus Severe itching
Lupus Autoimmune disease characterized by inflammation
Dermatosis Any disorder of the skin
Patellar Knee cap
Cranial Head
Thoracic Chest
Hypotension Low blood pressure
Hypertension High blood pressure
Plasma Liquid portion of the blood
Erythrocytes Red blood cells
Leukocytes White blood cells
Platelets Cell fragments essential for blood clotting
Menarche The first menstrual cycle
Dystocia Dysfunctional labor
Mastication Chewing
Deglutition To swallow
Oligospermia Low sperm count
Cystitis Inflammation of the bladder
Cholelithiasis Gallbladder stones
Otis Externa An infection of the outer ear canal as known as "swimmers ear"
Myopia "Near sighted"
Hyperopia "Far sighted"
Aque/o Water
Blephar/o Eyelid
Corne/o Cornea
Kerat/o Relating to the cornea
Lacrim/o Tear
Phac/o Lens
Phot/o Light
Retin/o Retina
Opia Condition of vision
Tunic Layer Refracts light that enters the eye
Sclera White of the eye
Cornea Transparent anterior coating
Acous/o Hearing
Aer/o Air or gas
Aur/i Ear
Acusis Hearing condition
Pinna Projections that gather sound
External auditory meatus External passage for sounds collected from the pinna to the tympanum
Cerumen Waxy substance secreted by glands throughout the external canal
Eustachian Tube Provides a passageway to the throat allowing air to pass to and from outside the body
Tympanic Membrane Eardrum; receives sound collected in the external auditory canal and amplifies it through the middle ear
Oval window Membrane that covers the opening between the middle ear and inner ear
Cochlea Coiled tubular structure that contains the organ of Corti
Perilymph Fluid that fills the bony labyrinth of the ear
Endolymph Fluid within the cochlear duct of the inner ear
Vestibule Middle part of the inner ear that contains the utricle and the saccule
Albumin/o Protein
Bacteri/o Bacteria
Cyst/o Bladder
Dips/o Thirst
Glucos/o Sugar
Ket/o Ketone bodies
Nephr/o Kidney
Pyel/o Renal pelvis
Py/o Pus
Urethr/o Urethra
Ur/o Urine
Cortex Outer part of kidney; consists of one million nephrons
Medulla Inner portion of the kidney
Crani/o Skull
Encephal/o Entire brain
Esthesi/o Sensation
Gangli/o Ganglion
Gli/o Glue
Gnos/o Knowing
Neur/o Nerve
Phas/o Speech
Schiz/o Split
Somat/o Body
Spin/o Spine
Stere/o Three dimensional or solid
Lepsy Seizure
Plegia Paralysis
Hem/o Blood
Immun/o Safe
Lymph/o Clear fluid
Morph/o Form
Phago Eat; swallow
Myel/o Bone marrow or spinal cord
Plas/o Formation
Splen/o Spleen
Thromb/o Clot
Thym/o Thymus gland
Created by: whitneydavis
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