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Definition of Extine
1. n. The outer membrane of the grains of pollen of flowering plants.
Definition of Extine
1. Noun. (botany) The outer membrane of the grains of pollen of flowering plants. ¹
¹ Source: wiktionary.com
Definition of Extine
1. exine [n -S] - See also: exine
Medical Definition of Extine
1.
Lexicographical Neighbors of Extine
Literary usage of Extine
Below you will find example usage of this term as found in modern and/or classical literature:
1. Handbook of Practical Botany for the Botanical Laboratory and Private Student by Eduard Strasburger (1889)
"In water, yellow oil-drops come off from the surface of the extine, the grains soon
... The extine is studded with regularly distributed large spines, ..."
2. The Popular Science Monthly (1891)
"The extine is often marked with lines, points, or grooves ; the intine is generally
smooth and regular, and, even when the ..."
3. An Introduction to Botany by John ( Lindley (1839)
"A third membrane, intermediate between the extine and intine, was first noticed
by Mohl in the pollen of Taxus, Juniperus, Cupressus, and Thuja. ..."
4. An Introduction to Botany by John ( Lindley (1839)
"A third membrane, intermediate between the extine and intine, was first noticed
by Mohl in the pollen of Taxus, Juniperus, Cupressus, and Thuja. ..."
5. Gray's Botanical Text-book by Asa Gray (1885)
"The membrane is rarely single (as in Zostera), being generally composed of two
coats, — an outer, the extine (called exine by Schacht), and an inner, ..."
6. Physiological Botany by George Lincoln ( Goodale (1890)
"Under the action of concentrated sulphuric acid the inline is destroyed, while
the extine generally remains unchanged except in color. ..."
7. Text-book of Botany, Morphological and Physical by Julius Sachs (1882)
"380), or whether roundish pieces of the extine become detached in the form of a
... 381, i), or the extine only forms thinner longitudinal striae which fold ..."
8. Annals and Magazine of Natural History by William Jardine (1842)
"The extine, or protective membrane of the pollen grain, on which its shape depends,
... If this view of the structure of the extine be correct, ..."
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