Definition of Coleoptile

1. Noun. (botany) A pointed sheath that protects the emerging shoot in monocotyledons such as oats and grasses. ¹



¹ Source: wiktionary.com

Definition of Coleoptile

1. [n -S]

Medical Definition of Coleoptile

1. Closed hollow cylinder or sheath of leaf like tissue surrounding and protecting the plumule (shoot axis and young leaves) in grass seedlings. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Coleoptile Pictures

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Lexicographical Neighbors of Coleoptile

coleoid
coleoids
coleopter
coleopteral
coleopteran
coleopterans
coleoptericin
coleopterist
coleopterists
coleopteroid
coleopterologist
coleopterology
coleopterous
coleopters
coleoptile (current term)
coleoptiles
coleoptosis
coleorhiza
coleorhizae
coleotomy
coles
coleseed
coleseeds
coleslaw
coleslaws
colessee
colessees
colessor
colessors

Literary usage of Coleoptile

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Proceedings of the Iowa Academy of Science by Iowa Academy of Science (1890)
"When an oat grain germinates the first part to appear above the ground is a hollow cylindrical sheath, the coleoptile, within which are the young leaves. ..."

2. Organography of Plants, Especially of the Archegoniata and Spermaphyta by Karl Eberhard Goebel (1905)
"It would therefore be extraordinary were there the formation of a second sheath in the coleoptile'. 3. Scutellum and coleoptile form together the cotyledon, ..."

3. Science by American Association for the Advancement of Science (1883)
"coleoptile length was obtained at 20°C from 15 MB seedlings from each of the measured plants. sheath that results in altered canopy structure of the ..."

4. A Textbook of Botany for Colleges and Universities by John Merle Coulter, Charles Reid Barnes, Henry Chandler Cowles (1910)
"697), the tip of the coleoptile in grasses (fig. 698), and a layer around the vascular cylinder in stems, contain rather large starch grains in such ..."

5. Botany, with Agricultural Applications by John Nathan Martin (1920)
"The plumule, although developing more slowly at first than the radicle, soon breaks through its sheath-like covering (coleoptile) and rapidly elevates its ..."

6. Botany for Agricultural Students by John Nathan Martin (1919)
"The plumule, although developing more slowly at first than the radicle, soon breaks through its sheath-like covering (coleoptile) and rapidly elevates its ..."

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