どう
瞳
こう
孔
かつ
括
やく
約
きん
筋

noun

Anatomical term.
  1. sphincter muscle of the pupil, sphincter pupillae.

Variations

Pronunciation Kanji Kana Is Common
どう
瞳
こう
孔
かつ
括
やく
約
きん
筋
 瞳孔括約筋 どうこうかつやくきん

Contained Kanji Breakdown

pupil (of eye)
ひとみ　ドウ　あきら (11th, N1)
eye, class, look
め　モク　ボク (1st, N4)
juvenile, child
ドウ　わらべ　ぱ (3rd, N2)
stand up, rise, set up
た.つ　リツ　たつ (1st, N4)
kettle lid radical (no. 8)
トウ (Kentei 1)
grass, straw, herbs
to divide
one, one radical (no.1)
イチ　いっ　ひと- (1st, N5)
ri, village, parent's home
さと　リ　さ (2nd)
rice field, rice paddy
た　デン　たん (1st, N4)
soil, earth, ground
ド　つち　は (1st, N5)
cavity, hole, slit
ク　あな　コウ (8th, N1)
child, sign of the rat, 11PM-1AM
こ　シ　ス (1st, N5)
complete, finish
リョウ　さとる (8th, N2)
one, one radical (no.1)
イチ　いっ　ひと- (1st, N5)
the latter, duplicate, strange
おと-　オツ　イツ (8th, N1)
fasten, tie up, arrest
カツ　くく.る (9th, N1)
hand, hand radical (no. 64)
シュ
tongue, reed, clapper
した　ゼツ (5th, N1)
thousand
セン　ち　かず (1st, N5)
mouth
くち　コウ　ク (1st, N4)
promise, approximately, shrink
ヤク　つづ.まる　つづま.やか (4th, N3)
thread
いと　シ (1st, N2)
short thread radical (no. 52)
ヨウ　ちいさい (Kentei 1)
little, small
ショウ　こ-　ちい.さい (1st, N5)
feathered stick, barb radical (no. 6)
ケツ　かぎ (Kentei 1)
eight, eight radical (no. 12)
ハチ　や　はっ (1st, N5)
ladle, one tenth of a go, dip
シャク (N1)
wrapping enclosure, wrapping radical (no. 20)
ホウ　つつ.む (Kentei 1)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
muscle, sinew, tendon
すじ　キン (6th, N1)
bamboo
たけ　チク　たか (1st, N2)
individual(個) variant
knife, wrapping enclosure(勹) variant
feathered stick, barb radical (no. 6)
ケツ　かぎ (Kentei 1)
rib
ロク　あばら (Kentei Pre-1)
month, moon
つき　ゲツ　ガツ (1st, N5)
power, strength, strong
リョク　ちから　リキ (1st, N4)