Lesson 3 Medical Terminology

My-, Mys-

Muscle

Derm(at)-, -derma

Skin

Onych-

Nail

Myc-, mycet-

Fungus

Olig-

Few, can also mean deficient

Poly-

Many, can also mean excessive

Poli

Gray matter of the brain or spinal cord

-asthenia

Weakness, or lack of strength

Is

Equal

An + is

Unequal

Xanth-

Yellow

Chlor-

Green

Chlorhydr-

Related to stomach acid

Myel-

Bone marrow or spinal cord

Chondr-

Cartilage

Dactyl-

Finger, toe

(H)elc-

Ulcer

Hidr(ot)-, -idr-

Sweat

Hist(I)-

Tissue

Hydr-

Water, fluid

Hypn-

Sleep

Icter-

Jaundice

In-, Inos-

Fiber, muscle

Mening-, -meninx

Meningeal membrane, meninges

Narc-

Stupor, numbness

Necr-

Corpse; dead

Pod-

Foot

Por-

Passage, opening, duct, pore, cavity

Psych-

Mind

Som(at)-, -soma

Body

Sthen-

Strength

Trachel-

Neck, cervix

Arachn-

Spider, weblike, spidery

Polyp

Derived from poly “many” + pod “feet”

Refers to a benign growths, typically in the colon or nasal cavity.