鰓
Noun
1
noun (common) (futsuumeishi)
word usually written using kana alone
gills;branchia
ちなみに、魚のえらが真っ赤であるのは、肺と同じように「毛細血管」が多く集まっているからである。
Incidentally, that the gills of fish are bright red is because there are many 'capillary vessels' collected there, the same as for lungs.
2
noun (common) (futsuumeishi)
word usually written using kana alone
angle of the mandible;gonial angle
Other forms
腮 【えら】 (rarely used kanji form) · 顋 【えら】 (rarely used kanji form)