Definition, Meaning & Synonyms
ecto
prefix
/ˈɛk.təʊ/
Definition
A prefix used in various scientific and medical terms to indicate something that is external or outer.
Examples
- Ectoderm: The outermost layer of cells or tissue in an embryo.
- Ectoplasm: The outer portion of the cytoplasm in a cell.
- Ectogenic: Pertaining to or resulting from external factors.
Meaning
The term ‘ecto’ comes from the Greek word ‘ektos,’ meaning ‘outside’ or ‘external.’ It is often used in contexts related to biology, medicine, and anatomy.
Synonyms
- External
- Outer
- Superficial