Incurrent canals are lined by

In sponges, incurrent canal is lined by

Resin canals are

Resin canals are -

Coelom is a cavity between body wall and alimentary canal and is lined by:

Identify the given canal system by the course of water current in sponges , represented as A,B and C. Choose the correct code. I. Ingressing water underset("ostia")overset("Through")to Spongocoel underset("osculum")overset("Through")to To outside II. Ingressing water underset("ostia")overset("Dermal")to Incurrent canals underset("prosopyles")to Flagellated chambers to Apopyle to Excurrent canals overset("Osculum")to To outside. III. Ingressing water underset("ostia")overset("Dermal")to Incurrent canals overset("Prosopyles")to Radial canals overset("Apopyles")to Spongocoel overset("Osculum")to To outside.

The space between body wall and alimentary canal lined by mesoderm is called:

The space between body wall and alementary canal lined by mesoderm is called

Space between body wall and alimentary canal lined by mesoderm is called.

A: Human bone has haversian canals. R: Haversion canals are interconnected by Volkmann's canals.