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Dictionary · Word part

intra-

A word beginning that means inside or within.

IN-truh prefix

What it means

The beginning of words for something that is or goes inside. intramuscularin-truh-MUS-kyoo-lerInto a muscle; used for a drug given by injection into muscle tissue.intra- insidemuscul/o muscle-ar relating toFull entry means into a muscle, intravenous (IVeye-vee (said as letters)Intravenous: into a vein, or the tube placed in a vein to give fluids and drugs.intra- insideven/o vein-ous relating toFull entry ) means into a vein, intradermalin-truh-DER-mulWithin or into the dermis, the layer of skin just below the surface.intra- withinderm/o skin-al relating toFull entry means into the skin, and intracranial pressurein-truh-KRAY-nee-ul PRESH-erThe pressure inside the skull, made by the brain, the blood and the fluid around the brain.intra- insidecrani/o skull-al relating toFull entry is the pressure inside the skull. Do not mix it up with inter-IN-terA word beginning that means between or among.Full entry , which means between.

Remember it

Intra is inside; inter is between, like an interstate between states.

At a glance

Also writtenintra

Easy to confuse with

inter-

A word beginning that means between or among.

Related terms

intramuscular

Into a muscle; used for a drug given by injection into muscle tissue.

IV

Intravenous: into a vein, or the tube placed in a vein to give fluids and drugs.

inter-

A word beginning that means between or among.

intradermal

Within or into the dermis, the layer of skin just below the surface.

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