PERISPERM Meaning and
Definition
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Perisperm refers to a botanical term used to describe a specific type of nutritive tissue found in some seeds of flowering plants (angiosperms). It is a distinct storage tissue that surrounds and provides nourishment to the developing embryo in the seed. The term "perisperm" is derived from the Greek words "peri" (meaning around or surrounding) and "sperma" (meaning seed).
Unlike endosperm, another nutritive tissue found in seeds, perisperm is derived from the nucellus, a part of the ovule. It serves as a source of carbohydrates, proteins, and other essential nutrients for the germinating seedling during its early stages of growth. Perisperm can vary in composition and texture among different plant species. It can be starchy, oily, or even fleshy, depending on its function to support the specific needs of the developing embryo.
Perisperm grains can be observed as small, distinct areas within the seed. They are often located in the center, surrounding the embryo, and can vary in color. In some plants, perisperm may persist until maturity, whereas in others, it may be completely absorbed or depleted during seed development.
Overall, perisperm plays a vital role in the successful germination and early growth of plants by providing essential nutrients to the developing embryo. Its presence and characteristics can also be important in identifying and classifying different plant species.
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In botany, the nutrient material surrounding the embryo-sac in a seed.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The innermost envelope of the seed; the albumen or nourishing matter stored up with the embryo in the seed.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for PERISPERM
- oerisperm
- lerisperm
- 0erisperm
- pwrisperm
- psrisperm
- pdrisperm
- prrisperm
- p4risperm
- p3risperm
- peeisperm
- pedisperm
- pefisperm
- petisperm
- pe5isperm
- pe4isperm
- perusperm
- perjsperm
- perksperm
- perosperm
- per9sperm
Etymology of PERISPERM
The word "perisperm" is derived from two Greek words: "peri", meaning "around" or "near" and "sperma", meaning "seed". "Perisperm" is used in botany to refer to the nutritive tissue that surrounds the embryo in certain seeds.
Similar spelling words for PERISPERM
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