noun
secretion; secreted fluid
Refers to a fluid produced and released by a gland or organ; a technical but common noun.
消化酵素を含む分泌液が膵臓から出る。
A secretion containing digestive enzymes is released from the pancreas.
分泌物 is a broader term for any secreted substance, while 分泌液 specifically refers to a liquid secretion.
Compound of 分泌 (secretion) + 液 (fluid, liquid).