Thursday, October 20, 2011

Histology

Histology is the study of the Micrscopic anatomy of cells and tissues of plants and animals. You may not know it, but humans count as animals...unfortunately. The visualization of cells is achieved through usage of a light microscope, or an electron microscope. Along with the key usage of thin strips of the samples your going to look at. Histology is extremely big when it comes to Biology and Medicine. There are many classifications of cells. And they are listed below:
Epithelial-Lining of bowels , skin and glands. Along with a some organs.
Endothelium-Lining of blood and lymphatic vessels.
Mesothelium-Lining of pleural and pericardial spaces.
Mesenchyme-Cells filling space between the organs(fat, muscle, bone, etc.)
Blood cells-Red and white blood cells including those found in lymph nodes and spleen.
Neurons- conducting cells of the nervous system.
Germ cells-Reproductive cells.
Placenta- characteristic of true mammals during pregnancy.
Stem cells-Cells that develop new cells.

http://www.histology-world.com/

There is a link that takes you to a "fun and entertaining" website on histology. Although it is very entertaining to play the games, there are many other more...educational things to do on the website.

I took a microscope exam and did a lab about histology, of which I got a smiley face with a top hat...so I got an Abraham Lincoln on it. Which, I think is better than a George Washington, but maybe that's just me. It's the top hat, definitely. In the histology lab, we had to look at different samples and draw them. We looks at bone, epithelial tissue, and a funky connective tissue. We then had to draw the tissues and other cellular items that we looked at. Although the drawings that I do not have, would be a good representation of my horrible drawing ability, that was the lab.

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