Japanese symbol for “endocrinology”

内分泌学

ないぶんぴつがく

Romaji: naibunpitsugaku

endocrinology

In Japanese, endocrinology is 内分泌学, read ないぶんぴつがく (naibunpitsugaku).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

n endocrinology

Written forms: 内分泌学. Readings: ないぶんぴつがく、ないぶんぴがく.

Kanji and stroke order

内

inside, within, between

on: ナイ、ダイ
kun: うち

4 strokes · JLPT 2

分

part, minute of time, segment

on: ブン、フン、ブ
kun: わ.ける、わ.け、わ.かれる、わ.かる

4 strokes · JLPT 4

泌

ooze, flow, soak in

on: ヒツ、ヒ

8 strokes · JLPT 1

学

study, learning, science

on: ガク
kun: まな.ぶ

8 strokes · JLPT 4

Related words

Words that share a kanji.

Word	Reading	Meaning
内容	ないよう naiyou	contents; content; substance
国内	こくない kokunai	within the country; inside the county; domestic
内部	ないぶ naibu	interior; inside; internal
以内	いない inai	within; inside of; less than
案内	あんない annai	guidance; leading (the way); showing around
内閣	ないかく naikaku	cabinet (of a government); ministry
自分	じぶん jibun	myself; yourself; oneself
部分	ぶぶん bubun	portion; section; part
分泌	ぶんぴつ bunpitsu	secretion
学校	がっこう gakkou	school

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.