Connective Tissue - Home - KSU Faculty Member websites
... and functions to cushion and protect body organs. It has fibroblasts that are widely dispersed; they are irregular branching cells that secrete strong fibrous protein and proteoglycans as an extracellular matrix. The cells of this type of tissue are generally separated by quite some distance by ...
... and functions to cushion and protect body organs. It has fibroblasts that are widely dispersed; they are irregular branching cells that secrete strong fibrous protein and proteoglycans as an extracellular matrix. The cells of this type of tissue are generally separated by quite some distance by ...
INTRODUCTION TO TISSUE
... Each epithelial tissue is given two names: – The first name indicates the number of layers present: • Simple (one): – Composed of a single cell layer – Typically found where absorption and filtration occur and a thin epithelial barrier is desirable • Stratified (more than one): – Consist of two or m ...
... Each epithelial tissue is given two names: – The first name indicates the number of layers present: • Simple (one): – Composed of a single cell layer – Typically found where absorption and filtration occur and a thin epithelial barrier is desirable • Stratified (more than one): – Consist of two or m ...
Document
... The area of necrosis is amorphous, granular, friable, white-gray resembling cottage cheese. The caseous mass is enclosed within a connective tissue capsule. Microscopic appearance: The necrotic tissue is amorphous, granular mass enclosed inside a zone of granulomatous inflammation, containing ...
... The area of necrosis is amorphous, granular, friable, white-gray resembling cottage cheese. The caseous mass is enclosed within a connective tissue capsule. Microscopic appearance: The necrotic tissue is amorphous, granular mass enclosed inside a zone of granulomatous inflammation, containing ...
Tissue: The Living Fabric
... Adipose tissue is basically areolar connective tissue in which the nutrient storing functioning is greatly increased Adipocytes predominate tissue as little matrix is present Oil (fat) occupies most of cell volume Compression of the cell nucleus to one side gives it a name of “signet” cells Tissue i ...
... Adipose tissue is basically areolar connective tissue in which the nutrient storing functioning is greatly increased Adipocytes predominate tissue as little matrix is present Oil (fat) occupies most of cell volume Compression of the cell nucleus to one side gives it a name of “signet” cells Tissue i ...
Chapter 6: Integumentary System
... injury. B. Cuts 1. If a break in the skin is shallow, epithelial cells are stimulated to divide more rapidly than normal. 2. If a cut extends into the dermis or subcutaneous layer, blood vessels break and the escaping blood forms a clot. 3. A clot consists mainly of fibrin, plasma, blood cells, and ...
... injury. B. Cuts 1. If a break in the skin is shallow, epithelial cells are stimulated to divide more rapidly than normal. 2. If a cut extends into the dermis or subcutaneous layer, blood vessels break and the escaping blood forms a clot. 3. A clot consists mainly of fibrin, plasma, blood cells, and ...
Areolar Connective Tissue
... Primary cell type of connective tissues produces the extracellular matrix • Fibroblasts • In connective tissue proper • Make protein subunits • Chondroblasts secrete matrix in cartilage • Osteoblasts secrete matrix in bone Structural Elements of Connective Tissue ...
... Primary cell type of connective tissues produces the extracellular matrix • Fibroblasts • In connective tissue proper • Make protein subunits • Chondroblasts secrete matrix in cartilage • Osteoblasts secrete matrix in bone Structural Elements of Connective Tissue ...
Myiasis: maggot infestation
... subcutaneous connective tissue with their rear ends protruding through a small hole in the skin so that they can obtain oxygen. The boil-like lesion that forms around the entry hole may be uncomfortable, and some people have reported feeling the mouthparts of the maggots scraping away at their tissu ...
... subcutaneous connective tissue with their rear ends protruding through a small hole in the skin so that they can obtain oxygen. The boil-like lesion that forms around the entry hole may be uncomfortable, and some people have reported feeling the mouthparts of the maggots scraping away at their tissu ...
Dermatology – Morphology and Acne
... have thick scale) • Skin may have a cobblestoned texture • Results from long standing inflammation and often chronic scratching • Not the same as chronic stasis changes ...
... have thick scale) • Skin may have a cobblestoned texture • Results from long standing inflammation and often chronic scratching • Not the same as chronic stasis changes ...
dermarollers in acne scars
... keratinocytes are highly elastic and flexible.. Keratinocytes are the cells that make up the epidermis. This procedure causes micro- bleeding which usually stops within a few minutes. This procedure also perforates and breaks down the fibrotic fibres that often connect the scar base to the deeper la ...
... keratinocytes are highly elastic and flexible.. Keratinocytes are the cells that make up the epidermis. This procedure causes micro- bleeding which usually stops within a few minutes. This procedure also perforates and breaks down the fibrotic fibres that often connect the scar base to the deeper la ...
Tissue Lab Practical Review
... Tissue Lab Practical Review For Mrs. Nemanic’s Stellar Students! ...
... Tissue Lab Practical Review For Mrs. Nemanic’s Stellar Students! ...
BIO 218 F 2012 CH 03 Martini Lecture Outline
... Cutaneous membrane: makes up the skin Thick and waterproof Synovial membrane: lines the joint cavities Produces synovial fluid that reduces friction within the joints ...
... Cutaneous membrane: makes up the skin Thick and waterproof Synovial membrane: lines the joint cavities Produces synovial fluid that reduces friction within the joints ...
BIO 218 F 2012 CH 03 Martini Lecture Outline
... Cutaneous membrane: makes up the skin Thick and waterproof Synovial membrane: lines the joint cavities Produces synovial fluid that reduces friction within the joints ...
... Cutaneous membrane: makes up the skin Thick and waterproof Synovial membrane: lines the joint cavities Produces synovial fluid that reduces friction within the joints ...
145 CHAPTER SUMMARY
... cells are branched and striated. ■ Smooth muscle: in the walls of hollow organs; propels substances through the organs; cells are spindle shaped and lack striations. ...
... cells are branched and striated. ■ Smooth muscle: in the walls of hollow organs; propels substances through the organs; cells are spindle shaped and lack striations. ...
Objectives
... nucleus will appear dark blue or violet. The plasma membrane may be distinct or indistinct. 4. Note the shape of the nucleus. Squamous cells will have a disc shaped nucleus, cuboidal cells will have a rounded nucleus and for columnar cells, the nucleus is oval shaped. ...
... nucleus will appear dark blue or violet. The plasma membrane may be distinct or indistinct. 4. Note the shape of the nucleus. Squamous cells will have a disc shaped nucleus, cuboidal cells will have a rounded nucleus and for columnar cells, the nucleus is oval shaped. ...
Objectives
... nucleus will appear dark blue or violet. The plasma membrane may be distinct or indistinct. 4. Note the shape of the nucleus. Squamous cells will have a disc shaped nucleus, cuboidal cells will have a rounded nucleus and for columnar cells, the nucleus is oval shaped. ...
... nucleus will appear dark blue or violet. The plasma membrane may be distinct or indistinct. 4. Note the shape of the nucleus. Squamous cells will have a disc shaped nucleus, cuboidal cells will have a rounded nucleus and for columnar cells, the nucleus is oval shaped. ...
Connective Tissue
... from injured cells as well as macrophages & mast cells • These chemicals trigger the dilation of blood vessels • Dilation increases vessel permeability, allowing WBCs & plasma w/ clotting proteins and antibodies to seep into injured area • Clotting occurs, stopping the loss of blood, holding edges o ...
... from injured cells as well as macrophages & mast cells • These chemicals trigger the dilation of blood vessels • Dilation increases vessel permeability, allowing WBCs & plasma w/ clotting proteins and antibodies to seep into injured area • Clotting occurs, stopping the loss of blood, holding edges o ...
BCH 450 CAT 1 lectures
... oxidase-derived aldehyde residues, or with unmodified lysine residues. This results in crosslinking collagen and elastin, which is essential for stabilization of collagen fibrils and for the integrity and elasticity of mature elastin. Complex cross-links are formed in collagen called Pyridinoline wh ...
... oxidase-derived aldehyde residues, or with unmodified lysine residues. This results in crosslinking collagen and elastin, which is essential for stabilization of collagen fibrils and for the integrity and elasticity of mature elastin. Complex cross-links are formed in collagen called Pyridinoline wh ...
1 ANATOMY RS#9 August 14, 2008 JR Churchill, Ph.D. 9:00
... Reticular fibers cannot be distinguished from other collagen fibers using H&E. Reticular fibers are very thin (0.5-2.0 µm diameter) formed from delicate 50 nm diameter fibrils. They are highly glycosylated, giving them different staining properties from other collagen types and they were originally ...
... Reticular fibers cannot be distinguished from other collagen fibers using H&E. Reticular fibers are very thin (0.5-2.0 µm diameter) formed from delicate 50 nm diameter fibrils. They are highly glycosylated, giving them different staining properties from other collagen types and they were originally ...
Chapter 4: Tissues and Membranes Theory Lecture Outline
... muscle tissue does not repair itself and nerve cell bodies destroyed by infection or injury do not grow back • Two types of epithelial tissue repair a. Primary repair 1. Takes place in “clean” wounds 2. Repair over a large skin area usually results in a typical scab to help in wound healing 3. Repai ...
... muscle tissue does not repair itself and nerve cell bodies destroyed by infection or injury do not grow back • Two types of epithelial tissue repair a. Primary repair 1. Takes place in “clean” wounds 2. Repair over a large skin area usually results in a typical scab to help in wound healing 3. Repai ...
Chapter 5 Tissues
... • Multicellular exocrine glands are classified by the shape of their ducts and the complexity of their duct system – Tubular and alveolar are saclike – Simple exocrine glands—only one duct leads to the surface – Compound exocrine glands—have two or more ducts ...
... • Multicellular exocrine glands are classified by the shape of their ducts and the complexity of their duct system – Tubular and alveolar are saclike – Simple exocrine glands—only one duct leads to the surface – Compound exocrine glands—have two or more ducts ...
Tissues
... We’ll start with cartilage. Cartilage is rigid and strong so it can provide support and protection. It also forms a structural model for developing bones. ...
... We’ll start with cartilage. Cartilage is rigid and strong so it can provide support and protection. It also forms a structural model for developing bones. ...
Wound healing
Wound healing is an intricate process where the skin or other body tissue repairs itself after injury. In normal skin, the epidermis (surface layer) and dermis (deeper layer) form a protective barrier against the external environment. When the barrier is broken, an orchestrated cascade of biochemical events is quickly set into motion to repair the damage. This process is divided into predictable phases: blood clotting (hemostasis), inflammation, the growth of new tissue (proliferation), and the remodeling of tissue (maturation). Sometimes blood clotting is considered to be part of the inflammation stage instead of its own stage. Hemostasis (blood clotting): Within the first few minutes of injury, platelets in the blood begin to stick to the injured site. This activates the platelets, causing a few things to happen. They change into an amorphous shape, more suitable for clotting, and they release chemical signals to promote clotting. This results in the activation of fibrin, which forms a mesh and acts as ""glue"" to bind platelets to each other. This makes a clot that serves to plug the break in the blood vessel, slowing/preventing further bleeding. Inflammation: During this phase, damaged and dead cells are cleared out, along with bacteria and other pathogens or debris. This happens through the process of phagocytosis, where white blood cells ""eat"" debris by engulfing it. Platelet-derived growth factors are released into the wound that cause the migration and division of cells during the proliferative phase. Proliferation (growth of new tissue): In this phase, angiogenesis, collagen deposition, granulation tissue formation, epithelialization, and wound contraction occur. In angiogenesis, vascular endothelial cells form new blood vessels. In fibroplasia and granulation tissue formation, fibroblasts grow and form a new, provisional extracellular matrix (ECM) by excreting collagen and fibronectin. Concurrently, re-epithelialization of the epidermis occurs, in which epithelial cells proliferate and 'crawl' atop the wound bed, providing cover for the new tissue. In wound contraction, myofibroblasts decrease the size of the wound by gripping the wound edges and contracting using a mechanism that resembles that in smooth muscle cells. When the cells' roles are close to complete, unneeded cells undergo apoptosis. Maturation (remodeling): During maturation and remodeling, collagen is realigned along tension lines, and cells that are no longer needed are removed by programmed cell death, or apoptosis.The wound healing process is not only complex but also fragile, and it is susceptible to interruption or failure leading to the formation of non-healing chronic wounds. Factors that contribute to non-healing chronic wounds are diabetes, venous or arterial disease, infection, and metabolic deficiencies of old age.Wound care encourages and speeds wound healing via cleaning and protection from reinjury or infection. Depending on each patient's needs, it can range from the simplest first aid to entire nursing specialties such as wound, ostomy, and continence nursing and burn center care.