. Chordate morphology. Morphology (Animals); Chordata. teriorly, as the subintestinal veins, to the yolk stalk where they descend onto the blastodisc to enter the terminal sinus. The left subintestinal is much the larger, and at the yolk stalk a branch appears which circles the yolk duct on the left and connects with the left anterior vitelline vein. This vessel can be identified as the volk-stalk shunt. As the hindgut develops, the cloaca contacts the procto- deal area between the anterior continuations of the now single (fused) caudal vein. A short, anteriorly projecting, right yolk-stalk sh
. Chordate morphology. Morphology (Animals); Chordata. teriorly, as the subintestinal veins, to the yolk stalk where they descend onto the blastodisc to enter the terminal sinus. The left subintestinal is much the larger, and at the yolk stalk a branch appears which circles the yolk duct on the left and connects with the left anterior vitelline vein. This vessel can be identified as the volk-stalk shunt. As the hindgut develops, the cloaca contacts the procto- deal area between the anterior continuations of the now single (fused) caudal vein. A short, anteriorly projecting, right yolk-stalk shunt develops to balance partially the now well-formed left shunt. As the yolk stalk becomes more constricted, the two an- left omphalomesenteric vein pronephric sinus pronephric vein' margin of overgrowth swelling of extraembryi dorsal aorta. terminal sinus. 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 Jollie, Malcolm. New York, Reinhold
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
