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The anatomicalembryological laboratory
Experiments on amphibian eggs biochemistry
Experiments on avian embryos
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albumen vacuoles amblystoma mexicanum amphibian eggs Amsterdam animal pole appeared archenteron axolotl basophil beta-granules blastomeres capsules Cate centrifuged chemical ciliary beat ciliated cells cleavage cavity contains cytoplasm determination dictyosomes differentiation direction of ciliary dorsal duct ear-vesicle ectoderm egg-capsules egg-mass embryos Entw epidermis epithelium experiments formation formed gamma-granules gastrula genital ridges glandula glycogen gonad grafted granules growth host induction inductor influence invagination investigations large number larvae layer lens lens-primordium limnaea limnaea stagnalis lithium lumen M. W. Woerdeman material mesonephros microscopical Miss Huybers mitochondria neural crest neural folds neural plate neurula neurula stage nidamentaria normal notochord nucleolus nucleus occurs oocyte oogenesis organs ovary oxygen pars contorta polar body possible primary germ-cells primordium pronephros proteid yolk radiation rana esculenta Raven region ribonucleic acid snails solution spermoviduct stained substances temperature thymonucleic acid tissue Trampusch triton taeniatus uncleaved stage urodeles vacuoles vesicle vitelline membrane whilst young zone Zool