Amnion, definition of, [36]

Amniota, development of liver in, [143]

Amphibia, development of pancreas, [115]
folds of intestine in, [196]
ileo-colic junction of, [201]

Amphibians, biliary ducts in, [145]
intestinal canal of, [191]

Amphioxus, alimentary canal of, [42]
hepatic diverticulum of, [43]
intestinal canal of, [191]

Anthropoid apes, ileo-cæcal folds of, [274]

Anthropoidea, ileo-colic junction of, [213]

Anthropomorpha, ileo-colic junction of, [216]

Anguilla anguilla, stomach of, [47]

Anure Amphibian, abdominal vein of, [158]
cardiac vein in, [158]
musculo-cutaneous vein in, [158]
pelvic vein in, [158]
post-cava in, [158]
pre-cava in, [158]
venous system in, [158]