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Topic: Epidermis


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  epidermis   (Site not responding. Last check: 2007-10-18)
Interferon and the epidermis: implications for cellular senescence.
Aging of human epidermis: reversal of aging changes correlates with reversal of keratinocyte fas expression and apoptosis.
An age difference in proportions of cell types in the epidermis of abdominal skin of the rat.
www.arclab.org /node_pages/237.html   (840 words)

  
 Blue Histology - Integumentary System
The epidermis is a keratinised stratified squamous epithelium.
is the deepest layer of the epidermis (closest to the dermis).
Variations in the thickness of the epidermis (~0.1 mm in thin skin, 1 mm or more in thick skin) are mainly the result of variations in the thickness of the stratum corneum, although the other layers also vary in thickness.
www.lab.anhb.uwa.edu.au /mb140/CorePages/Integumentary/Integum.htm   (3331 words)

  
 Gray, Henry. 1918. Anatomy of the Human Body. Page 1066
—The epidermis and its appendages, consisting of the hairs, nails, sebaceous and sweat glands, are developed from the ectoderm, while the corium or true skin is of mesodermal origin.
A considerable desquamation of epidermis takes place during fetal life, and this desquamated epidermis, mixed with sebaceous secretion, constitutes the vernix caseosa, with which the skin is smeared during the last three months of fetal life.
The nerves of the skin terminate partly in the epidermis and partly in the corium; their different modes of ending are described on pages 1059 to 1061.
www.bartleby.com /107/pages/page1066.html   (710 words)

  
 Epidermis   (Site not responding. Last check: 2007-10-18)
The epidermis is the outermost cellular layer which covers the whole plant structure, i.e.
Epidermis is usually closely packed, without intercellular spaces or chloroplasts.
The outer walls, which are exposed to the atmosphere and usually thickened, and may be covered by a waxy, waterproof cuticle which are made up of cutin.
www.botany.uwc.ac.za /SCI_ED/grade10/plant_tissues/epidermis.htm   (236 words)

  
 Expression of {Delta}NLef1 in mouse epidermis results in differentiation of hair follicles into squamous epidermal ...
Positive staining was detected throughout the basal layer of the interfollicular epidermis (arrows in L,M), the outer root sheath of hair follicles (arrowheads in L,M) and the outer layer of epidermal cysts (arrows in N).
to the interfollicular epidermis of wild-type mice (Fig.
Diffuse staining of stroma and sebocytes in C,D is nonspecific.
dev.biologists.org /cgi/content/full/129/1/95   (8523 words)

  
 Disease of the Epidermis   (Site not responding. Last check: 2007-10-18)
The epidermis is a multilayered, avascular structure consisting of 85% keratinocytes.
Apoptotic keratinocytes at all levels of the epidermis and the outer root sheath of hair follicles; hydropic degeneration of keratinocytes in stratum basale and spinosum; variable lymphocytic exocytosis and satellitosis; lymphocytic, lichenoid, interface dermatitis and dermal edema.
Characteristic lesion is the horizontal striation of the epidermis in a basophilic hyperplastic basal layer, a middle, thickened pale layer of epidermal edema (hydropic and spongiotic) of the stratum spinosum, and a thick, superficial, eosinophilic layer of parakeratosis.
www.afip.org /CLDavis/syllabi/CLD3.html   (2191 words)

  
 Epidermis (skin) - Wikipedia, the free encyclopedia
Epidermis is the outermost layer of the skin.
Epidermis is divided into several layers where cells are formed through mitosis at the innermost layers.
The outermost layer of Epidermis consists of 25 to 30 layers of dead cells.
en.wikipedia.org /wiki/Epidermis_(skin)   (220 words)

  
 Epidermis   (Site not responding. Last check: 2007-10-18)
The epidermis is the most superficial layer of the skin and provides the first barrier of protection from the invasion of foreign substances into the body.
The principal cell of the epidermis is called a keratinocyte.
The epidermis is subdivided into five layers or strata, the stratum germinativum (SG), the stratum spinosum(SS), the stratum granulosum(SGR), the stratum lucidum(not seen in this photomicrograph) and the stratum corneum(SC) in which a keratinocyte gradually migates to the surface and is sloughed off in a process called desquamation.
www.meddean.luc.edu /lumen/MedEd/medicine/dermatology/melton/skinlsn/epider.htm   (84 words)

  
 Epidermis - Wikipedia, the free encyclopedia
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
Epidermis, in invertebrates, the outermost layers of skin of up to 30 layers of stratified squamous epithelium.
en.wikipedia.org /wiki/Epidermis   (108 words)

  
 The 3 skin layers: epidermis, dermis, and subcutaneous fat   (Site not responding. Last check: 2007-10-18)
The epidermis does not contain any blood vessels but gets its oxygen and nutrients from the deeper layers of the skin.
At the bottom of the epidermis is a very thin membrane, called the basement membrane, which attaches the epidermis firmly, though not rigidly, to the layer below.
The junction between the epidermis and the dermis is not straight but undulates like rolling hills - more markedly so in some areas of the body than others.
www.pg.com /science/skincare/Skin_tws_10.htm   (529 words)

  
 Skin - Wikipedia, the free encyclopedia
Skin is composed of three primary layers: the epidermis, which provides waterproofing and serves as a barrier to infection; the dermis, which serves as a location for the appendages of skin; and the hypodermis (subcutaneous adipose layer), which is called the basement membrane.
The outermost epidermis consists of stratified squamous epithelium with an underlying connective tissue section, or dermis, and a hypodermis, or basement membrane.
The epidermis contains no blood vessels, and cells in the deepest layers are nourished by diffusion from blood capillaries extending to the upper layers of the dermis.
en.wikipedia.org /wiki/Skin   (1666 words)

  
 Botany online: Dermal Tissues, Parenchyma and Assimilation Tissues
The epidermis is the main dermal tissue of primary plant organs above ground.
The stoma complexes are scattered across the whole epidermis and act as sites of gas exchange between leaf and atmosphere.
Two guard cells that enclose the actual stoma, a pore in the epidermis, control its state of opening.
www.biologie.uni-hamburg.de /b-online/e05/05.htm   (350 words)

  
 Epidermis Lab
The epidermis is important in both vegetative and reproductive organs.
During secondary growth the epidermis is often replaced by Periderm.
Such epidermal peels are useful for the study of the shape of epidermal cells and their arrangement as well as the distribution and structure of stomata.
www.botany.hawaii.edu /faculty/webb/BOT410/410Labs/LabsHTML-99/Epidermis/LABEpiderm99.html   (1881 words)

  
 Optical Depth of pigmented epidermis
A very practical question is "how dark is the pigmented epidermis of a skin site?" During pulsed laser treatments of portwine stain lesions and other vascular lesions, the heat deposition in the epidermis is a limiting factor.
For the in vivo spectrometer measurement, the photons have passed twice through the approximatley 60-µm thick epidermis, once entering and once escaping, so the pathlength is about 120 µm.
Hence it is possible to assign a value of eumelanin concentration to a measured slope d(OD)/d(nm) of a pigmented epidermis.
omlc.ogi.edu /spectra/melanin/opticaldepth.html   (704 words)

  
 Epidermis definition - Skin diseases, conditions and procedures on MedicineNet.com
Epidermis: The upper or outer layer of the two main layers of cells that make up the skin.
The epidermis is mostly made up of flat, scale-like cells called squamous cells.
The deepest part of the epidermis also contains melanocytes.
www.medterms.com /script/main/art.asp?articlekey=3278   (210 words)

  
 GLOSSARY E
The outermost layer of skin consisting of several layers of
&emdash;and, in the inner layer of the epidermis, basal cells and
The outer layer of cells in the plant body, often covered by a waxy
www.emc.maricopa.edu /faculty/farabee/biobk/BioBookglossE.html   (1281 words)

  
 New Gibraltar Encyclopedia of Progressive Rock EM-EZ (via CobWeb/3.1 planetlab-5.cs.princeton.edu)   (Site not responding. Last check: 2007-10-18)
Epidermis use four and five part voice melodies (English lyrics), but they just don't seem to intertwine like GG.
Instrumentally, Epidermis just don't quite deliver the detailed counterpoint and superb instrument/instrument and instrument/voice interplay that is GG's trademark.
Epidermis, Anabis, Amenophis, Epidaurus, etc.) which didn't sway into the shameful, septicemic, commercial waters of AOR.
www.gepr.net.cob-web.org:8888 /em.html   (15325 words)

  
 Modulation of gap junction expression during transient hyperplasia of rat epidermis -- Risek et al. 111 (10): 1395 -- ...   (Site not responding. Last check: 2007-10-18)
Modulation of gap junction expression during transient hyperplasia of rat epidermis -- Risek et al.
Modulation of gap junction expression during transient hyperplasia of rat epidermis
Keratinocytes in interfollicular epidermis were examined for proliferation
jcs.biologists.org.cob-web.org:8888 /cgi/content/abstract/111/10/1395   (486 words)

  
 Neuroscience for Kids - Receptors
The epidermis is the outside layer of your skin.
The dermis is the inside layer of skin.
Why can’t this man feel whether or not he’s standing up?
faculty.washington.edu /chudler/receptor.html   (260 words)

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