noun
rod cell
Anatomical term for the photoreceptor cell in the retina responsible for vision in low light. Often used in the compound 桿体細胞.
See also: 桿体細胞
桿体は暗い場所での視覚に関与している。
Rod cells are involved in vision in dark places.
網膜には桿体と錐体がある。
The retina has rod cells and cone cells.
From 桿 (rod, shaft) + 体 (body), a direct calque of the English 'rod cell' or German 'Stäbchenzelle'. The kanji 桿 is used for its meaning of a cylindrical rod.