Used Rarely. gravamen is in the lower 50% of commonly used words in the Collins dictionary
The coconut endosperm is a nuclear type. In very young coconut fruit (about 50mm long) the endosperm is found as a clear fluid in which float numerous nuclei of various sizes. This fluid is compactly filling the embryo sac in which the embryo is developing.
The endosperm is the soft part in the center of the grain. It contains the starch. Whole grain means that the entire grain kernel is in the food. If you eat a whole grain food, it contains the bran, germ, and endosperm so you get all of the nutrients that whole grains have to offer.