Find more facts and information on our topic page about
cotyledon
cotyledon
The Oxford Pocket Dictionary of Current English
|
2009
|
© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
Copyright
cot·y·le·don
/ ˌkätlˈēdn/
•
n. Bot.
an embryonic leaf in seed-bearing plants, one or more of which are the first leaves to appear from a germinating seed.
DERIVATIVES:
cot·y·le·don·ar·y
/ -ˈēdnˌerē/ adj.
Cite this article
Pick a style below, and copy the text for your bibliography.
|
At5PTase13 Modulates Cotyledon Vein Development through Regulating Auxin Homeostasis1[W]
Magazine article from: Plant Physiology; 12/1/2005; ; 700+ words
; ...patterning in leaves and cotyledons are poorly understood...structure, the cotyledon vein provides an...Arabidopsis thaliana) cotyledon veins consist of...petioles to the cotyledons), the distal...spoon-shaped cotyledon (Garland et al...the procambium of cotyledons at the very ...
|
|
IN VITRO ORGANOGENESIS OF CHESTNUT (CASTANEA SATIVA MILL.) COTYLEDON EXPLANTS: RESPONSES TO GROWTH REGULATORS AND DEVELOPMENTAL ASPECTS
Magazine article from: In Vitro Cellular & Developmental Biology; 9/1/2004; ; 700+ words
; ...that the region of the cotyledon in contact with the...obtained from mature cotyledons without growth regulator...from the region of cotyledon in contact with the...axenically removed, the two cotyledons separated, and the...and discarded. Each cotyledon was dissected transversally...
|
|
|
ENHANCING THE FREQUENCY OF SOMATIC EMBRYOGENESIS FOLLOWING AGROBACTERIUM-MEDIATED TRANSFORMATION OF IMMATURE COTYLEDONS OF SOYBEAN [GLYCINE MAX (L.) MERRILL.]
Magazine article from: In Vitro Cellular & Developmental Biology; 11/1/2004; ; 700+ words
; ...tissues on immature cotyledons of soybean [Glycine...embryogenic immature cotyledon was characterized...embryogenesis on immature cotyledons following Agrobacterium...investigated. Using cotyledon explants derived...inoculated immature cotyledons were incubated...immature zygotic ...
|
|
The question of cotyledon homology in angiosperms.
Magazine article from: The Botanical Review; 10/1/1998; ; 700+ words
; ...precursor to two cotyledons flanking a central...elongate as a single cotyledon becomes the primary...growth. The single cotyledon of monocots is...while the paired cotyledons of dicots are distally...The Question of Cotyledon Homology A major...the seed leaves (cotyledons) of ...
|
|
Isolation and characterization of cotyledon fibers from peas, lentils, and chickpeas
Magazine article from: Cereal Chemistry; 5/1/2003; ; 700+ words
; ...developed to efficiently isolate legume cotyledon fibers with relatively high yields and...sugar component of hulls and soluble cotyledon fibers, while arabinose was the main...capacities in comparison to hulls and soluble cotyledon fibers. Apparent viscosities of soluble...
|
|
|
Factors affecting plantlet regeneration from in vitro cultured immature embryos and cotyledons of Prunus mume "Xue mei"
Magazine article from: In Vitro Cellular & Developmental Biology; 3/1/2007; ; 700+ words
; ...Shoots formed directly from cotyledons with the embryo axis intact...axis was removed from the cotyledons and cultured on 1/2 MS medium...embryonic axis, BA, and TDZ on cotyledon regeneration was investigated...soil successfully. Keywords Cotyledons * Direct shoot regeneration...
|
|
|
Adventitious bud regeneration from leaf and cotyledon explants of Chinese hawthorn (Crataegus pinnatifida Bge. var. major N.E.Br.)
Magazine article from: In Vitro Cellular & Developmental Biology; 1/1/2007; ; 700+ words
; ...regeneration from leaf and cotyledon explants of Chinese hawthorn...abilities of three kinds of cotyledon explants, immature cotyledon...adventitious buds from leaf and cotyledon explants of Chinese hawthorn...leaves of in vitro plants, and cotyledons were selected as explants...
|
 "Bulletin (Southern California Academy of Sciences)")
|
Impacts of cotyledon removal on survival of blackbrush (Coleogyne ramosissima: rosaceae) seedlings.(Research Notes)
Magazine article from: Bulletin (Southern California Academy of Sciences); 12/1/2008; ; 700+ words
; ...Such removal of cotyledons before development...of the first leaf, cotyledon loss may greatly reduce...seedlings through simulated cotyledon herbivory. Specifically...survive detachment of cotyledons were related to the timing and extent of cotyledon removal in an environmentally...
|
|
|
Fortification of Bread with Hulls and Cotyledon Fibers Isolated from Peas, Lentils, and Chickpeas
Magazine article from: Cereal Chemistry; 5/1/2006; ; 700+ words
; ...5, and 7% legume hulls or insoluble cotyledon fibers, or with 1, 3, and 5% soluble cotyledon fibers isolated from pea, lentil, and...fortified with up to 7% hulls or insoluble cotyledon fibers or up to 3% soluble cotyledon fibers...
|
|
|
Patterns of morphogenesis from cotyledon explants of pigeonpea
Magazine article from: In Vitro Cellular & Developmental Biology; 9/1/2003; ; 700+ words
; SUMMARY Cotyledons excised from seedlings...of shoots from cotyledon explants was very...embryogenesis from cotyledons has also been...distal halves of cotyledon explants (excised...particularly cotyledons which have been...
|
|
cotyledon
Book article from: The Columbia Encyclopedia, Sixth Edition
cotyledon , in botany, a leaf of the embryo...angiosperms , usually have either one cotyledon (the monocots) or two (the dicots...such as pines, may have numerous cotyledons. In some seeds the cotyledons are flat and leaflike; in others...
|
|
Plant Development
Book article from: Biology
...hypocotyl has carried the cotyledons into the light, they expand...its tip that protects the cotyledons and shoot apical meristem region. Cotyledon expansion is suppressed...form a hook, while the cotyledons quickly expand. The hormon
|
|
Seeds
Book article from: Plant Sciences
...axis bearing one or more cotyledons. The axial region contains...hypocotyl to which the cotyledons are attached, a radicle...polycotyledonous (many cotyledons) gymnosperms. But in...cereal grains, the single cotyledon is much reduced and modified...
|
|
Kola Nut
Encyclopedia entry from: Gale Encyclopedia of Alternative Medicine
...as the kola nut is the cotyledon, which is also called the seed leaf. The cotyledons are white and bitter when...Washington D.C. The dried cotyledons are 1 – 2 in...of tincture. Powdered cotyledons should be taken at 1...
|
|
|
Monocots
Book article from: Biology
...named for and recognized by the single cotyledon , or seed leaf, within the seed. The...from the seed upon germination is the cotyledon, which contains sugars and other nutrients...angiosperms. In addition to the single cotyledon in the seed, monocots can be recognized...
|
