endoplasmic
UK[ˌendə(ʊ)ˈplazmɪk]US[ˌendoʊˈplæzmɪk]
adj
Relating to or being the part of the cytoplasm that is internal to the endoplasmic reticulum.
Morpheme Breakdown
endo
plasm
ic
endo
inside
plasm
formed substance
ic
adjective suffix
Etymology
The word "endoplasmic" is a modern scientific compound built from classical Greek elements to describe a specific cellular location. The prefix "endo-", meaning "inside", combines with "plasm", the term for the formative or living material of a cell. The adjectival suffix "-ic" is then added. Literally, it means "pertaining to the inner formative substance". This term was coined specifically to name the "endoplasmic reticulum", the network of membranes found within the cytoplasm ("endo-plasm") of eukaryotic cells, highlighting its position inside the cell's main body of protoplasm.
Analysis
Structure: endo (inside) + plasm (formed substance) + ic (adjective suffix)
- endo: From Greek endon, meaning "within, inside". A prefix indicating an internal location.
- plasm: From Greek plasma, meaning "something molded or formed", from plassein "to mold". In biology, it refers to the living substance of a cell.
- ic: A suffix of Greek and Latin origin forming adjectives, meaning "of, pertaining to, or having the nature of".
Examples
The rough endoplasmic reticulum is studded with ribosomes that synthesize proteins.
Proteins destined for secretion are transported into the endoplasmic lumen.
This enzyme is primarily localized in the endoplasmic membrane.