Sthohr's histology : arranged upon an embroyological basis (1906)
Sthohr, Philipp, 1849-1911, Lewis, Frederic Thomas, 1875 · Philadelphia : P. Blakiston's Son & Co. · leaf 321
horionic villi. The single umbilical vein is due to afusion of two; within the body only the left remains, passing from theumbilicus along the under surface of the liver (as the ductus venosus)to the vena ca\a inferior. The allantois which the umbilical \-essels accompany, extends theentire length… … Fig. 356.—Yolk Sac and PersistentVitelline Vessels. Exposed byReflecting the Amnion at theDistal End of the Cord.(Lonnberg.)
Histology · Microscopy
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