These studies are an attempt to define the essential tissue interactions that lead to nose, lens and ear formation in the sites these organs normally occupy. The explant experiments in the first paper of this series (Jacobson, '63) demonstrated that endoderm is involved in nose induction and to some
The determination and positioning of the nose, lens and ear. I. Interactions within the ectoderm, and between the ectoderm and underlying tissues
β Scribed by Jacobson, Antone Gardner
- Publisher
- John Wiley and Sons
- Year
- 1963
- Tongue
- English
- Weight
- 889 KB
- Volume
- 154
- Category
- Article
- ISSN
- 0022-104X
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π SIMILAR VOLUMES
To account for the anteroposterior distribution in the developing embryo of noses, lenses and ears there are several possibilities. An attractive hypothesis is to relate this specificity to the different neural inductors of these organs. Specific inductor substances from forebrain would specify nose
Recently considerable attention has been directed towards the role of the apical ectodermal ridge (AER) in the proximo-distal differentiation of limb parts. In the absence of the AER, which caps the distal tip of early limb buds, no terminal structures develop (Saunders, '48; Amprino and Camosso, '5