endosperm


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Related to endosperm: endosperm nucleus

en·do·sperm

(en'dō-spĕrm),
A storage tissue found in many seeds that nourishes the embryo of a plant.

endosperm

a TRIPLOID (1) tissue found in many angiosperm seeds (e.g. those of the castor oil plant), that serves as a food source for the embryo which develops within it. Nonendospermic seeds (e.g. the runner bean) store their food substances within the cotyledons. See EMBRYO SAC for origin.
References in periodicals archive ?
possessed white stellate corollas, B genomes, and endosperm balance
Crossability relationships among wild potato species with different ploidies and endosperm balance numbers (EBN).
Durum is a cultivated tetraploid wheat with genomes AABB [2n,= 4x = 28], and its endosperm has the hardest texture of all wheat types.
One sperm cell will join with the egg cell to produce the future plant or embryo, whilst the other will join with a second cell deep within the flower (the central cell) to produce a nutrient-rich tissue called the endosperm.
Increased kernel hardness can be a reflection of the relative affinity between starch and protein within the endosperm (Barlow et al.
Sweet corn contains recessive alleles that alter carbohydrate composition in the kernel's endosperm.
The gum is derived from the endosperm of the guar bean, which has the following composition: hull (14-17%), germ (43-47%) and endosperm (35-42%).
The reserves, or endosperm, of other cone-making species bear only one set, matching that in pollen and female gametes.
Additionally, the scans revealed anatomical details such as the position of the germination pore, the thickness and relation to each other of the fruit layers and endosperm features that were not observed in the ultra thin sections.
A kernel of wheat contains more than 25 nutrients and consists of three parts: the bran (outer layer) which contains some of the nutrients and acts as a broom to sweep impurities out of the body; the endosperm or starchy layer which contains the gluten and is the primary source of white flour; and the wheat germ which contains the most nutrients including the oil which is the richest source of vitamin E, B vitamins and high-quality proteins.