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Tissues Classification Tissues Classification Notes / Description / Size Picture / Illustration Tissue or Source 1 Picture / Illustration Tissue or Source 2 Picture / Illustration Tissue or Source 3 Picture / Illustration Tissue or Source 4 Picture / Illustration Tissue or Source 5 Picture / Illustration Tissue or Source 6 Label MAIN Sub Type Sub Type Sub Type Sub Type Sub Type source / reference 1. Tendons attatched to bone is composed of thick, closely packed bundles of collagen fibrils oriented parallel to the long axis of the tendons. 2.The thick bands are the protein collagen while the thin dark threads are the protein elastic. 3. The fibers of areolar connective tissue are arranged in no Connective Fibrous Loose Areolar NA particular pattern but run in all directions and form a loose network in the intercellular material. 4.It consist of fibroblast, collagen fiber, elastic fiber and macrophage 5. This image is labeled with fibroblast, collagen fiber, macrophage and elastic fiber Label FIBROUS LOOSE AREOLAR FIBROUS LOOSE http://www.astrographics.com/GalleryPrints/Display/GP2085.jp http://media-2.web.britannica.com/eb-media/35/60135-004- http://science.tjc.edu/images/histology/15_combined.jpg http://www.cvm.tamu.edu/acvp/Cholelithiasis/5.JPG http://faculty.une.edu/com/abell/histo/LooseCT.jpg source / reference g DC3C7D26.jpg 1. Adipose taken from the umbilical cord. 2. The edge of the cell have nucleus which is dark purple, adipose cell is white and around the lined light purple is cytoplasmic membrane. 3. This image shows anterior adipocyte of the belly. 4. This is a histological section of mammary tissue from a Adipose NA nonpregnant woman: Label A = adipose tissue; C = connective tissue sheaths running through the adipose tissue; D - ducts growing. 5. This image shows the arrow pointing to macrophage (blue), nucleus (purple), annd the large pointer in adipocyteup through the connective tissue sheaths. UMBILICAL CORD 400X BELLY DERMIS MAMMARY TISSUE http://www.udel.edu/biology/Wags/histopage/empage/eat/ima http://www.deltagen.com/target/histologyatlas/atlas_files/musc http://classes.ansci.illinois.edu/ansc438/Mamdevelop/ducts_C http://medinfo.ufl.edu/year1/histo/images/d14.jpg http://faculty.une.edu/com/abell/histo/adipostisw.jpg ge35U.JPG uloskeletal/adipose_tissue_white_40x.jpg T_adipose.jpg 1. A network of interlacing reticular fiber in dark purple and reticular cell in light purple. 2. This consists of reticular fibers and reticular cells interlaced to form a lose network that helps give structure to organs. The black reticular fibers located between reticular cells. 3. The cells that make the reticular fibers are fibroblasts called reticular cells. 4. The reticular fibers are attached Reticular NA NA to the reticular cells, so the two components of reticular connective tissue are "fixed", they cannot move around. The other cells and tissue fluid can move around in the spaces between the reticular fibers. 5. The red arrows point to individual reticular fibers. The dark-colored dots scattered among the fibers are mostly reticular cells and lymphocytes. STOMA SPLEEN LYMPH NODE LIVER LYMPH NODE http://virtual.yosemite.cc.ca.us/randerson/lynn%27s%20bioslid http://www89.homepage.villanova.edu/angelo.milicia/Anato http://www4.napavalley.edu/Projects/1799/04_Reticular_Lym http://washington.uwc.edu/about/faculty/schaefer_w/TISSUES http://www.austincc.edu/histologyhelp/tissues/images/tk400.jp es/115.jpg my/Histology/retic.jpg phNode_100x.jpg /reticular_connective_tissue.jpg g 1. The dark spots are nuclei of the fibroblasts that make the collagen fibers. 2. The bundles of collagen are all parallel to each other. The bar in this image shows you the width of this piece of dense regular connective tissue, which comes from a tendon. 3. Dense regular connective tissue is stained light that makes up the tendon and ligaments. The cell bodies are darkly Dense Regular NA NA stained and elongated. 4. The fibroblast nuclei (stained purple) are quite flat. Arrows indicate three fibroblast nuclei. Fibroblast nucleus (fb nuc) is labeled, but you can see other nuclei. The collagen fibers (cf) are parallel to the arrow bar. The "art" label indicates an artifact--a place where the collagen fibers pulled apart slightly during processing. TENDON LIGAMENTS TENDON/LIGAMENTS TENDON http://www.sacs.ucsf.edu/home/cooper/Anat118/ConnTiss/tend http://a- http://www.austincc.edu/histologyhelp/tissues/images/tm400.j http://faculty.une.edu/com/abell/histo/DenseRegCT2.jpg on.jpg s.clayton.edu/Biology/BIOL1151L/lab03/new_images/densere pg 1.The connective tissue below the epithelium lining the surface of the skin. Beneath the skin forming the mammae, dense connective tissue areas are very extensive. This tissue surrounds the resting mammary gland. 2. The characterized of tissue by the presence of densely packed, interwoven bundles of pink-stained type I collagen fibers of various sizes. 3. This is Irregular NA NA typical dense irregular connective tissue, characterized by the interwoven network of various sized bundles of type I collagen fibers. The clear spaces are occupied by carbohydrate-rich ground substance that does not stain with iron hematoxylin. 4. This image shows the outer later of the heart. 5. The main component of dense irregular connective tissue. The fibroblasts that make the collagen fibers cannot be seen. NON LACTATING MAMMARY DERMIS SKIN PERICARDIUM SKIN http://www.ucc.ie/bluehist/CorePages/Connective/Images/nip0 http://casweb.ou.edu/pbell/Histology/Images/Slides/Connectiv http://casweb.ou.edu/pbell/Histology/Images/Slides/Connectiv http://www.pc.ctc.edu/hart/ctprop/ctprimag/dirr.jpg http://faculty.une.edu/com/abell/histo/DenseirregCT.jpg 21he.jpg e/63.dense.irreg.20.jpg e/pl.dense.irreg.ct.IH.100.jpg 1. This image of a cross section through an artery shows the sinuous bundles of elastic fibers that are present in the muscular walls of these blood vessels. 2. Elastic fibers are visible because they stain purple. 3. Consists of freely branching elastic fibers, fibroblasts are present in spaces betweek Elastic NA NA fibers. 4. This image of a cross section through a portion of the wall of a large artery shows the sinuous bundles of elastic fibers that are present in the muscular walls of these blood vessels. The elastic fibers are dark because of special staining. BLOOD VESSEL ARTERTY LUNG TISSUE LARGE ARTERY http://casweb.ou.edu/pbell/Histology/Images/Slides/Connectiv http://legacy.owensboro.kctcs.edu/gcaplan/anat/Histology/elas http://casweb.ou.edu/pbell/Histology/Images/Slides/Connectiv http://faculty.une.edu/com/abell/histo/elasticfibersw.jpg e/45.elast.c.t.40.JPEG tic2.jpg e/46.elastic.JPEG 1. Consist of bluish/white, shiny ground substance with fine collagen fibers and many chondrocytes. 2. Lacunae contain the chondrocytes, which are embedded in a smooth matrix. Chondroblasts, which secrete the matrix, can be seen at the top of the micrograph. 3. Hyaline cartilage contains cells Supportive Cartilge Hyaline NA NA called chondrocytes embedded in a unique matrix that gives the tissue both strength and flexibility. Thechondrocytes housed in their spaces called lacunae. 4. Developing of fetal ribs and several chondrocytes. 5. The different layer are layered from connective tissue, perichondrium, chondrocytes and matrix. LARYNX TRACHEA PERICHONDRIUM RIBS LONG BONE http://a- http://www.technion.ac.il/~mdcourse/274203/slides/Skeletal% http://microanatomy.net/bone/cartilage1.jpg http://microanatomy.net/bone/cartilage2.jpg http://www.med.mun.ca/anatomyts/msk/Bone18.gif s.clayton.edu/Biology/BIOL1151L/lab03/new_images/hyaline 20Tissues/1-Hyaline%20Cartilage%20-%20Trachea.jpg 1. Consists of chondrocytes located in a threadlike network of elastic fibers within the extracellular matrix. 2. Elastic cartilage Lacunae containing the chondrocytes, which are characteristic of cartilage, are embedded in a matrix with elastic fibers. The fibers are dark pink. 3. The stain for elastin that brings out the dense bundles. 4. Elastic cartilage is Elastic NA NA flexible. It is found in the epiglottis, pinna of the ear, auditory tube and eustachian tube. It is organized in a similar way to hyaline cartilage with a perichondrium and chondroblasts and chondrocytes embedded in a matrix. The major difference is in the matrix where branched elastin fibres are present in addition to collagen AUDITORY TUBE EXTERNAL EAR EXTERNAL EAR EPIGLOTTIS http://a- http://www.technion.ac.il/~mdcourse/274203/slides/Skeletal% http://microanatomy.net/bone/ecartilage.jpg http://www.med.mun.ca/anatomyts/msk/Bone16.gif s.clayton.edu/Biology/BIOL1151L/lab03/new_images/elastic_ 20Tissues/2-Elastic%20Cartilage%20- 1. The lacunae are not as numerous in this cartilage and they are smaller. the nuclei of the chondrocytes is a red-purple color. 2. This image shows the fibrocartilage from an intervertebral disk. It is distinguished by very scattered, infrequent chondrocytes in dark cuclei collagen fibers running in the matrix. 3. In fibrocartilage the structure is intermediate between that of Fibro NA NA hyaline cartilage and dense connective tissue. It is found where bones are bound together such as at the pubic symphysis and as part of intervertebral discs. The cells are squeezed into rows by thick bundles of collagen fibres in the matrix. The collagen is orientated in the direction of stress. The gel component of the matrix is reduced compared to hyaline cartilage. 4. Here is tighter fibrocartilage from a pubic symphysis. INTERVERTEBRAL DISK INTERVERTEBRAL DISK PUBIC SYMPHYSIS PUBIC SYMPHYSIS http://a- http://microanatomy.net/bone/fcartilage.jpg http://www.med.mun.ca/anatomyts/msk/Bone13.gif http://www.mhhe.com/biosci/ap/histology_mh/fibroc1.jpg s.clayton.edu/Biology/BIOL1151L/lab03/new_images/fibrous_ 1. There are two osteons in this micrograph. The dark and light ovals are the central canals or Haversian canals through which blood vessels and nerves project. Surrounding central canals are the lamellae with the osteocytes embedded in the solid calcium and phosphate matrix. The fine lines radiating out from the center are canaliculi.
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