This list collects words formed with the prefix intra-, meaning within or inside. Many come from science and medicine, such as intravenous and intracranial, while others describe organizations, such as intramural and intranet. It suits students studying prefixes, medical vocabulary learners, and anyone curious about words that describe something happening within a single place or group.
Located or occurring within the spinal canal or the spinal cord itself.
The doctor recommended an intraspinal injection to relieve the patient's chronic back pain.
No matching words in this collection.
What does the prefix intra- mean?
The prefix intra- means within, inside, or during, and it contrasts with inter-, which means between or among. Intravenous means within a vein, intracellular means within a cell, and intramural means within the walls of a single school or organization. Many intra- words appear in medicine and science, though some, like intranet and intraday, describe organizations and business.
Frequently asked questions
What does the prefix intra- mean?
Intra- means within or inside, as in intravenous (within a vein) or intramural (within one school).