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Diagram of the thick-skinned deformation of a thrust-fault. Diagram of the thin-skinned deformation of a thrust-fault. Different processes can deform rocks, the deformation is almost always the result of stress. This stress leads to the formation of fault and fold structures, both can either extend or shorten of the Earth's crust. Thick-skinned ...
The stratum lucidum (Latin, 'clear layer') is a thin, clear layer of dead skin cells in the epidermis named for its translucent appearance under a microscope. It is readily visible by light microscopy only in areas of thick skin, which are found on the palms of the hands and the soles of the feet. [1] [2]
The thin-skinned style of deformation is typical of many fold and thrust belts developed in the foreland of a collisional zone or back arc of a continental volcanic arc. This is particularly the case where a good basal decollement exists, usually in a weaker layer like a shale , evaporite , or a zone of high pore fluid pressure. [ 2 ]
This narrow layer is found only on the palms and soles. The epidermis of these two areas is known as "thick skin" because with this extra layer, the skin has 5 epidermal layers instead of 4. granular layer (stratum granulosum) Confocal image of the stratum granulosum Keratinocytes lose their nuclei and their cytoplasm appears granular.
The skin's protective acid mantle and lipid barrier sit on top of the stratum disjunctum. [5] The stratum disjunctum is the uppermost and loosest layer of skin. The stratum compactum is the comparatively deeper, more compacted and more cohesive part of the stratum corneum. [ 6 ]
Histology image: 43_13 at the University of Oklahoma Health Sciences Center - "thick skin" Histology at KUMC glands-glands09 "Simple Tubular Coiled" Costoff, A., Essentials of Human Physiology , archived from the original on 2015-11-20 {{ citation }} : CS1 maint: bot: original URL status unknown ( link )
Epithelium or epithelial tissue is a thin, continuous, protective layer of cells with little extracellular matrix. An example is the epidermis, the outermost layer of the skin. Epithelial (mesothelial) tissues line the outer surfaces of many internal organs, the corresponding inner surfaces of body cavities, and the inner surfaces of blood vessels.
Histologic image showing a section of epidermis. Stratum granulosum labeled near center. The stratum granulosum (or granular layer) is a thin layer of cells in the epidermis lying above the stratum spinosum and below the stratum corneum (stratum lucidum on the soles and palms). [1]