The book A Students Text book of Zoology volume 1 was written by author Adam Sedgwick Here you can read free online of A Students Text book of Zoology volume 1 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Students Text book of Zoology volume 1 a good or bad book?
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351. Circulatory and renal organs of Sepia officinalis from the dorsal (anterior) side (after Hunter), Ad and Ao" anterior and posterior aorta ; Ap appendage of the branchial heart : At, At' auricles ; Br gills ; C ventricle ; Kh branchial heart; N renal appendages of the veins; V lateral vein; Vbr afferent branchial vessels ; Vc', Vc" anterior and posterior vena cava. CEPHALOPODA. 437 The excretory organs lie on the posterior side of the visceral sac close to the mantle-cavity, into which they... open. In Dibranchs they are two in number and are either completely separate (Octopoda), or they are connected together, generally through an anfyBriorly and dorsally-placed portion which is of considerable extent and lies close under the shell. This unpaired portion contains the so-called pan- creatic tissue of the bile ducts, and is in relation with these structures. The anterior and posterior afferent branchial vessels run in the walls of these kidney sacs on their way to the gills, and give off blind diverticula which project into the cavities of the kidneys.
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