in pronunciations below, | ̷ ̷ ̷ ̷÷|in.trə or -.(ˌ)trä or -.(ˌ)trȧ prefix
Etymology: Late Latin, from Latin intra within, from (assumed) Old Latin interus inward, on the inside — more at interior
1.
a. : within — especially in adjectives formed from adjectives
intra glacial
intra vaginal
intra cellular
intra -European
intra cosmical
b. : during — especially in adjectives formed from adjectives
intra natal
intra febrile
intra pyretic
intra vital
c. : between layers of — especially in adjectives formed from adjectives
intra cutaneous
d. : underneath — especially in adjectives formed from adjectives
intra dural
2. : intro-
an intra muscular injection
intra venation
intra cerebral
3. : internal
intra selection