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from article Fate maps (embryology)

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Principle of fate mapping. (a) Label placed in a certain position on the egg ends up in a reproducible position on the later animal. (b) Possible fate map for this type of egg. (Reprinted with permission from J. M. W. Slack, Essential Developmental…

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from article Fate maps (embryology)

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Fate maps of urodele blastula from (a) lateral and (b) dorsal aspects, deduced from vital staining. (After J. M. W. Slack, From Egg to Embryo: Determinative Events in Early Development, Cambridge University Press, 1983)

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from article Fate maps (embryology)

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Fate map of the Arabidopsis embryo. (a) Heart stage embryo. (b) Mature embryo. (c) Seedling. The embryo is delineated into sectors from an early heart stage to give rise to specific regions or tissue types. The apical region (large shaded areas in…

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from article Fate maps (embryology)

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Image of an Arabidopsis root tip (confocal micrograph). The root morphology is revealed by counterstaining with propidium iodide. The nuclei marked by fluorescent marker (circles at left) represent cells derived from a single initial/progenitor cell…

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from article Radiation injury to plants and animals

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The total range of wavelengths and frequencies of electromagnetic radiation, extending from the longest radio waves to the shortest known cosmic rays. In general, exposure to electromagnetic radiation can be injurious to living matter, resulting in…

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from article Radiation injury to plants and animals

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Squamous cell carcinoma is one of the most common forms of human skin cancer and is often caused by exposure to various forms of ionizing or ultraviolet radiation. (Copyright © McGraw-Hill Education)

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from article Cellulose

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Microscopic view of cotton fibers, which contain 98% cellulose. (Credit: Martin Kreutz/agefotostock)

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from article Cellulose

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Positioning of β-d-glucopyranosyl units in cellulose structure.

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from article Cellulose

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Cellulose is the principal structural component of plants. In particular, cellulose in the plant cell wall is found mainly in the form of threadlike fibers, composed of smaller fibrils (microfibrils). (Copyright © McGraw-Hill Education)

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