Lecture Notes on Connective tissues

These are notes from a Lecture given on Connective tissue at Sheffield Hallam Uni.

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  • Created on: 23-10-13 15:52
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Lecture notes on Connective Tissue
The five types of connective tissue
Functions and properties of connective tissue
Connective tissue provides support and strength, while protecting and insulating.
Metaboilcs also take place in some connective tissue.
Most connective tissue has a high nervous and blood supply, with the exception of
cartilage and tendons.
Blood vessils deliver O2 and other neutrients to the tissue, while taking away CO2 and
waste material.
Connective tissue consists different cells which form a flexible matrix. Which includes
ground substance
Connective tissue has a large star shaped cell called a Fibroblast. Fibroblasts produce
four different key parts of the tissue:
Different connective tissues have different fibres
Structure of Connective tissue
The Flexible matrix of connective tissue is formed by the ground substance. Ground substance is a gel
like substance which supports the connective tissue cells. It has substances in such as glycoproteins
which make it a suitable support matrix.
There are many different cells which can be found in the Ground Substance, that form the connective
tissues, along with the connective tissue cells, but there are also different type of connective tissue

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Cells and their roles
Mesenchyme cells These are a type of stem cell and give rise to all other connective tissue
cells, they are essentialy the basis for all connective tissue.
Fibroblast Cells These cells secrete fibres and also produce ground substance.
Macrophages These are responsible for the immunological response. When bacteria have
found their way into our connective tissue, Macrophages become active and engulph them in
the process of phagocytosis.…read more

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Reticulat fibres are woven into a delicate jell like matrix with reticular cells (young blood cells)
Forms the stroma that binds and supports tissues and organs
Found around the liver, lymph, blood vessils and the spleen.
Has lots of adipocytes that store fat in the cytoplasm, this causes the nucleus to be pushed
Fat insulates, protects and acts as an energy store.
Found around the kidney, heart, joints, yellow bone marrow in legs and behind the eyes.…read more

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Bones are metabilicaly active, they store calcium and support and protect the body.
Blood is highly specialised and contains the following:
Erythracytes ­ Red blood cells
Leukocytes ­ White blood cells
Thrombocytes ­ Plateletts
Blood also contains:
Red blood cells, White blood cells, Platelets, Monocytes, Neutrophils, eosinophil, basophil, B
Lymphocytes and T Lymphocytes.…read more


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