Folds, ileo-cæcal, [260]
Follicles, solitary, [196]
Foramen of Winslow, [174]
boundaries in adult human subject, [184]
caudal boundary, [178]
in lower mammals, [183]
relation to duodenal adhesion, [184]
in Tamandua bivittata, [183]
Foregut, comparative anatomy of, [42]
divisions of, [191]
extent and contained segments, [38]
Formative yolk, [19]
Fossa duodeno-jejunalis, [96]
ileo-cæcal, [260]
intersigmoidea, [97]
of Treitz, [92], [96]
Function of cæcum, [219]
of pyloric appendices, [221]
of pyloric cæca, [221]
of spiral fold of intestinal mucous membrane, [220]
Furrow, primitive intestinal, [22]
Gadus callarias, ileo-colic junction of, [201]
pyloric appendices in, [120]
Galeopithecus, biliary ducts in, [145]
ileo-colic junction and cæcum of, [213]