. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). 620 IN VEHTEDliATE MOliPJIOWU Y, siphons, in whose walls circular muscles are developed to serve as sphincters of the openings. The branchial siphon opens posteriorly into the branchial region of the digestive. Fig. 283.âFigure of a Tunicate, Heterotrema, removed from the Tept (after Fiedler). A = atrial pore. pe = periphaiyugeal ciliated band. an = anus. « = stomach. CQ â = cerebral ganglion. sn = subneural gland. en â endostyle. st = branchial stigma. ex â excretor
. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). 620 IN VEHTEDliATE MOliPJIOWU Y, siphons, in whose walls circular muscles are developed to serve as sphincters of the openings. The branchial siphon opens posteriorly into the branchial region of the digestive. Fig. 283.âFigure of a Tunicate, Heterotrema, removed from the Tept (after Fiedler). A = atrial pore. pe = periphaiyugeal ciliated band. an = anus. « = stomach. CQ â = cerebral ganglion. sn = subneural gland. en â endostyle. st = branchial stigma. ex â excretory organs. , t = testis. / = intestine. «d = vas deferens. tract, the opening being known as the mouth, and usually being surrounded by a number of tentacles (Fig. 283) which arch over it. The atrial siphon, on the other hand, does not open into the body proper but into a cavity, lined probably. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original McMurrich, J. Playfair (James Playfair), 1859-1939. New York : H. Holt
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1894
