A laboratory manual and text-book of embryology. Embryology. TRANSVERSE SECTIONS III of the plica vena; cavas (caval mesentery) located to the right of the mesentery (Fig. 107). This vein now carries
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Elementary text-book of zoology [electronic resource]. Zoology. RANA. 343 lies dorsally a pair ot lungs. Each rests loosely in the cavity, but is attached anteriorly to the oesophagus. If the lungs