endo-
Prefix meaning internal
Endo- is a prefix meaning within or inside, the opposite of exo-.
It appears in medical and scientific terms: an endoscope looks inside the body, endogenous means originating internally, endothermic reactions absorb heat.
In casual use, endo alone can mean a cycling crash where the rider flips over the handlebars—going end over end.
Seed's internal nutrient tissue
- endosymbiosisOrganism living within another
- endocytosisCell engulfs external material
- endosporeBacterial dormancy structure
- endoparasiteParasite living inside host
Situated within
inward · contained · enclosed · intramural · deep · central · core · innermost
Displaced uterine tissue condition
- endocarditisInflamed inner heart lining
- endotrachealWithin the windpipe
- endometrialOf the womb's lining
- endosurgeryInternal procedures via small incisions
endosperm
Seed's internal nutrient tissue
- endosymbiosisOrganism living within another
- endocytosisCell engulfs external material
- endosporeBacterial dormancy structure
internal
Situated within
inner · inward · contained · enclosed · intramural · deep · central · core · innermost · intracellular
endometriosis
Displaced uterine tissue condition
- endocarditisInflamed inner heart lining
- endotrachealWithin the windpipe
- endometrialOf the womb's lining
- celebrity endorsementsFamous people backing products
- endorphin rushBody's pleasure chemical surge
- endoscopic surgeryMedical procedure via internal scope
- endorsement dealsPaid promotional contracts
- endorphin releaseBody's internal opioids activating
- endocrine systemHormone-producing gland network
endorse, endorsement, endorsed, endorsing, endorser, endorsements, endorsers, endorphin, endocrine