General Use:
* intramuscular: within a muscle
* intravenous: within a vein
* intracranial: within the skull
* intracellular: within a cell
* intrapersonal: within a person
* intrauterine: within the uterus
* intradermal: within the skin
* intramural: within the walls (especially of a building or institution)
More Specific:
* intraspecific: within a species
* intragroup: within a group
* intrasurgical: within a surgical procedure
* intraoperative: occurring during surgery
* intrafamilial: within a family
* intrapulmonary: within the lungs
* intrahepatic: within the liver
* intramembranous: within a membrane
Less Common:
* intrasomatic: within the body
* intracardiac: within the heart
* intravascular: within a blood vessel
* intraarterial: within an artery
* intrasystolic: occurring during systole (contraction of the heart)
This is not an exhaustive list, but it gives you a good idea of the range of words using the prefix "intra-."