Amphioxus Atrium
Feb. 17, 2025
Amphioxus structures previously identified as nephridia. The figure... | Download Scientific Diagram File:1911 Britannica - Transverse sections of Amphioxus.png - Wikimedia Commons A junior course of practical zoology. Zoology. 194 AMPHIOXUS The portal or sub-intestinal veins are three or four vessels lying side by side on the ventral surface of the intestine, in Amphioxus Atrium