Dictionary of Developmental Biology and Embryology, Second by Frank J. Dye(auth.)

By Frank J. Dye(auth.)

A newly revised variation of the traditional reference for the sphere today?updated with new phrases, significant discoveries, major scientists, and illustrations

Developmental biology is the research of the mechanisms of improvement, differentiation, and progress in animals and crops on the molecular, mobile, and genetic degrees. The self-discipline has won prominence partially as a result of new interdisciplinary ways and advances in expertise, that have resulted in the quick emergence of latest recommendations and phrases. The Dictionary of Developmental Biology and Embryology, moment version is the 1st entire reference interested in the field's phrases, examine, historical past, and people.

This authoritative A-to-Z source covers classical morphological and cytological phrases besides these from sleek genetics and molecular biology. generally cross-referenced, the Dictionary comprises definitions of phrases, motives of options, and biographies of ancient figures. Comparative features are defined on the way to supply a feeling of the evolution of buildings, and subject matters variety from primary terminology, germ layers, and induction to RNAi, evo-devo, stem telephone differentiation, and extra. Readers will locate such gains of embryology and developmental biology as:

  • Vertebrates

  • Invertebrates

  • Plants

  • Developmental genetics

  • Evolutionary developmental biology

  • Molecular developmental biology

  • Medical embryology

The author's top class on accessibility permits readers in any respect degrees to augment their vocabulary of their box and comprehend terminology past their particular concentration. Researchers and scholars in developmental biology, mobilephone biology, developmental genetics, and embryology will locate the dictionary to be an important resource.

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Sample text

Axes during the development of bilaterally symmetrical organisms, three axes develop: (1) the anteroposterior axis; in Drosophila, this axis is laid down in the egg; (2) the dorsoventral axis; in Drosophila, this axis is laid down in the egg; and (3) the proximodistal axis. In Drosophila, the anteroposterior axis becomes divided into several unique regions on the basis of the overlapping and graded distributions of different transcription factors; the patterning of the dorsoventral axis involves two gradients, one of the dorsal protein and axial patterning 16 AZT one of the decapentaplegic protein, with high points at the opposite ends.

Bilaminar embryonic disc an amniote embryo prior to gastrulation; consists of epiblast and hypoblast layers (see Fig. 5). bilateral cleavage 21 biochemical cytodifferentiation Figure 5. Bilaminar embryonic disc. Reprinted from Frank J. Dye, Human Life Before Birth, Harwood Academic Publishers, 2000, fig. 8-6, p. 65. , one blastomere of the two-cell stage will give rise to the left half of the body of the embryo, and the other blastomere will give rise to the right half of the body of the embryo.

Appendicular skeleton the skeleton of the arms and legs and the associated pectoral and pelvic girdles, respectively. appendix a small, blind, pouch attached to the cecum. appositional growth the growth of an object by the addition of material to its surface, as in the growth of the long bones. Apterygota one of two subclasses of insects; apterous insects, the wingless condition being primitive, with slight or no metamorphosis; includes the following insect orders: Diplura, Thysanura, Protura and Collembola.

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