循環器(じゅんかんき)

じゅんかんき
noun
circulatory system; cardiovascular system
1. circulatory system; cardiovascular system
The organ system including the heart and blood vessels that circulates blood throughout the body.
循環器(じゅんかんき)内科(ないか)で検査(けんさ)を受(う)けた。
I had tests done at the cardiology department.
循環器(じゅんかんき)の病気(びょうき)に注意(ちゅうい)する。
Be careful of cardiovascular diseases.
循環器(じゅんかんき)系(けい)の健康(けんこう)を保(たも)つ。
Maintain the health of the circulatory system.

循環器(じゅんかんき) refers to the organ system responsible for circulating blood — primarily the heart and blood vessels. It is a medical/technical term most often encountered in hospital department names and health-related contexts.

WORD FORMATION:
循環(じゅんかん) (circulation) + 器(き) (organ/system)

COMMON MEDICAL TERMS:

  • 循環器(じゅんかんき)内科(ないか): cardiology department
  • 循環器(じゅんかんき)疾患(しっかん): cardiovascular disease
  • 循環器(じゅんかんき)系(けい): circulatory system
  • 循環器(じゅんかんき)専門医(せんもんい): cardiovascular specialist

OTHER ORGAN SYSTEMS (same ~器(き) pattern):

  • 呼吸器(こきゅうき): respiratory system
  • 消化器(しょうかき): digestive system
  • 泌尿器(ひにょうき): urinary system

Related Words

Related: 呼吸器(こきゅうき) (respiratory system)
Related: 消化器(しょうかき) (digestive system)
general
Added 2026.1.17 6:25 · Revised 2026.3.29 14:14
06000/06013_junkanki