intra-
within, inside
From Latin intra, within, inside
Meaning
What does intra- mean?
intra- is a prefix meaning within, inside. It comes from Latin intra, within, inside.
Intra- keeps things inside one structure, as an intracranial bleed inside the skull, while inter- means between structures.
In real words
Medical words with intra-
within a vein, or given by entering a vein, as an intravenous drip or injection
within a muscle, or given by injection into a muscle
within the layers of the skin, or injected into the skin, as in a tuberculin skin test
within the skull, as intracranial pressure or bleeding
inside the eyeball
located or occurring inside the heart, or introduced into it, as with a catheter
intracerebral
situated or occurring within the cerebrum, as in an intracerebral hemorrhage
within the peritoneal cavity, the space that holds the abdominal organs
Don't mix it up
Parts easily confused with intra-
Sources
Checked against
Written for biofideX in plain words, after checking these references:
- 1.3 Common Prefixes – Medical Terminology 2e
- Appendix A: Word Parts and What They Mean
- INTRA- Definition & Meaning - Merriam-Webster
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Position
intra- is one of 14 parts in this lesson. Learn them together, then take real words apart.
Start the Lesson