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Section through the gill arch and plates of a bony fish. Labels: b, gill plates with capillaries; c, afferent vessels with venous blood; d, efferent vessel with arterial blood; a, skeleton of arch.

Gill Arch and Plates

Section through the gill arch and plates of a bony fish. Labels: b, gill plates with capillaries; c,…

"Section of a Teleostean gill. G.F., Gill-filament; A., artery (venous blood); V., vein (pure blood); G.A., gill-arch." -Thomson, 1916

Teleostean Gill

"Section of a Teleostean gill. G.F., Gill-filament; A., artery (venous blood); V., vein (pure blood);…