noun
rough endoplasmic reticulum; rough ER
Biology term for the ribosome-studded portion of the endoplasmic reticulum involved in protein synthesis and transport.
粗面小胞体はリボソームが付着しているため、電子顕微鏡で粗く見える。
The rough endoplasmic reticulum appears rough under an electron microscope because ribosomes are attached to it.
Secretory proteins are synthesized in the rough endoplasmic reticulum.