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Topic: Epidermis (botany)


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In the News (Thu 8 Jan 09)

  
  Garden Botany
Outside of this is a layer of cells known as the cortex and then the epidermis, the skin of the stem, which is modified into bark in woody plants.
Spine: A modified stem (or leaf stipule, or root) that is sharp.
A prickle is similar, but is produced from the epidermis of the stem, leaf, or root.
www.bbg.org /gar2/topics/botany/parts_stem.html   (613 words)

  
 Botany online: Dermal Tissues, Parenchyma and Assimilation Tissues - Epidermis
The epidermis has accordingly a number of differentiated cell types to serve the various functions.Variations typical for certain species and different organizations of the epidermis in the miscellaneous plant organs add to the number of different cells.
Elongated epidermis cells can be found at organs or parts of organs that are elongated themselves, like stems, leaf petioles, leaf veins or leaves of monocots.
The epidermis is more often than not built from a single cell layer, though multi-layered, water-storing epidermises that evolved from initially single-layered tissues by periclinal division have been shown among the species of several families (Moraceae: most Ficus-species, Piperaceae: Peperonia, Begoniaceae, Malvaceae and others).
www.biologie.uni-hamburg.de /b-online/e05/05a.htm   (2022 words)

  
 epidermis - Search Results - MSN Encarta
Epidermis is the outermost layer of the skin.
It forms the waterproof, protective wrap over the body's surface and is made up of stratified squamous epithelium with an underlying basal lamina...
Epidermis may refer to: *Epidermis (botany), in plants, the outermost layer of cells covering the leaves and young parts of a plant *Epidermis (skin), in vertebrates, the outermost layer of the skin...
encarta.msn.com /epidermis.html   (244 words)

  
 Epidermis Summary
The epidermis is the outermost layer of skin on the body.
The deepest innermost layer is the stratum germinativum.
Epidermis (botany), in plants, the outermost layer of cells covering the leaves and young parts of a plant
www.bookrags.com /Epidermis   (407 words)

  
  Epidermis - [Full text] Signalling In The Epidermis: The E2f Cell Cycle   (Site not responding. Last check: 2007-11-06)
the identification of pathogen-response genes in barley leaf epidermis.
Epidermis and Stomates Curtis, Lersten, and Nowak 2002.
The epidermis is the outermost layer in the skin, and it is the first line of The epidermis expresses at least 6 of the seven E2F forms isolated to-date
acne.allworldsites.com /q/acne-epidermis.htm   (287 words)

  
 AllRefer.com - stem (Botany, General) - Encyclopedia
You are here : AllRefer.com > Reference > Encyclopedia > Botany, General > stem
The stems of herbaceous and of woody plants differ: those of herbaceous plants are usually green and pliant and are covered by a thin epidermis instead of by the bark of woody plants.
There is relatively more pith in herbaceous stems, and the cambium, which increases the diameter of woody stems, is usually almost inactive; it is therefore characteristic of herbaceous stems that, although they increase in height, their increase in diameter is small.
reference.allrefer.com /encyclopedia/S/stem.html   (429 words)

  
 Encyclopedia topic: Cancer   (Site not responding. Last check: 2007-11-06)
Lymphoma (A neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer) is a cancer originating in lymphatic tissue (Tissue making up the lymphatic system).
Melanoma (Any of several malignant neoplasms (usually of the skin) consisting of melanocytes) arises in melanocyte (A cell in the basal layer of the epidermis that produces melanin under the control of the melanocyte-stimulating hormone) s.
For example, a callus ((botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid) that may form on your hand when you first learn to swing a tennis racket or a golf club is produced by hyperplasia.
www.absoluteastronomy.com /encyclopedia/c/ca/cancer.htm   (5173 words)

  
 LACRIMATORIUM
This is the "typical" bulb, consisting mostly of fleshy leaves with watery parenchyma that contains the pungent chemicals, e.g., methyl and n-propyl disulfides and trisulfides, which volatilize when cells are cut open or crushed.
The brittle covering on the outside of a yellow onion is the epidermis of the outermost leaf, which forms lignified cell walls; in other words, it is sclerenchyma.
The thin "onion skins" found within the bulb are likewise the epidermis of the more tender leaves.
www.botgard.ucla.edu /html/botanytextbooks/economicbotany/Allium   (973 words)

  
 Britannicaindia.com: Britannica Browse
Epidermal teeth are found in the jawless fish (
in botany, outermost, protoderm-derived layer of cells covering the stem, root, leaf, flower, fruit, and seed parts of a plant.
There are two layers of epidermis, the living basal layer, which is next to the dermis, and...
www.britannicaindia.com /britannica_browse/e/e15.html   (1933 words)

  
 Medicinal Plants (Science Tracer Bullet - Science Reference Services, Library of Congress)
Joint Conference of the Society for Economic Botany and the International Society for Ethnopharmacology (London, England, 1996).
Plants for food and medicine: proceedings of the joint conference of the Society for Economic Botany and the International Society for Ethnopharmacology, London, 1-6 July 1996.
Invitro activity of allicin against Staphylococcus epidermis and influence of subinhibitory concentrations on biofilm formation.
www.loc.gov /rr/scitech/tracer-bullets/medicplantstb.html   (2202 words)

  
 The Henna Page - The Encyclopedia of Henna
Stratum Corneum: What is your skin made of, and how is it made?
/keratin membrane skin layers cells spinous basal dermis epidermis/
/scar sores wound scratch pigment lawsone molecule epidermis/
www.hennapage.com /henna/encyclopedia/index.html   (764 words)

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