血けっ中ちゅう

noun which may take the genitive case particle 'no'

in the blood; blood

Used attributively with の to mean 'in the blood' or 'blood-related', common in medical and scientific terms like 血中濃度 (blood concentration).

• 血けっ中ちゅうの酸さん素そ濃のう度どを測そく定ていする。

  Measure the oxygen concentration in the blood.

• 血けっ中ちゅうコレステロール値ちが高たかい。

  Blood cholesterol levels are high.