A type of anatomical sinus located near the subcardinal veins during embryonic development.

A reference to its role in the venous system of vertebrates.

कशेरुकी जीवों की शिरा प्रणाली में इसकी भूमिका।

English Usage: "Researchers studied the function of the subcardinal sinus in fish."

Hindi Usage: "शोधकर्ताओं ने मछलियों में उपकार्डिनल साइनस के कार्य का अध्ययन किया।"