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Definition of Perisperm
1. Noun. The nutritive tissue outside the sac containing the embryo in some seeds.
Definition of Perisperm
1. n. The albumen of a seed, especially that portion which is formed outside of the embryo sac.
Definition of Perisperm
1. Noun. (biology) The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms. ¹
¹ Source: wiktionary.com
Medical Definition of Perisperm
1. Nutritive tissue in an angiospermous seed, formed from the nucellus. Compare: endosperm. (09 Oct 1997)
Lexicographical Neighbors of Perisperm
Literary usage of Perisperm
Below you will find example usage of this term as found in modern and/or classical literature:
1. An Elementary Course of Botany: Structural, Physiological, and Systematic by Arthur Henfrey, Maxwell Tylden Masters (1878)
"On th» other hand, where the perisperm is abundant, there the seed-leaves are
very small and inconspicuous. The difficulty in inducing some seeds to ..."
2. Companion to the Botanical Magazine: Being a Journal, Containing Such by Sir William Jackson Hooker (1836)
"... Sat, elliptic, obtuse at both ends ; nearly as broad as the diameter of the
perisperm ; radicle pointing to the apex of the seed, slender, straight, ..."
3. Text-book of Botany and Pharmacognosy by Henry Kraemer (1908)
"The perisperm and endosperm are sometimes spoken of together as the albumen of
... On this basis, seeds containing either endosperm or perisperm, or both, ..."
4. Applied and Economic Botany: Especially Adapted for the Use of Students in by Henry Kraemer (1914)
"The perisperm and endosperm are sometimes spoken of together as the albumen of
the seed, ... On this basis, seeds containing either endosperm or perisperm, ..."
5. Applied and Economic Botany for Students in Technical and Agricultural by Henry Kraemer (1916)
"The perisperm and endosperm are sometimes spoken of together as the albumen of
... On this basis, seeds containing either endosperm or perisperm, or both, ..."
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