This program studies the biological processes by which the body reproduces cancerous tumors, and summarizes the results of current research. The various steps of metastasis are clearly demonstrated in film and computer animation. A film segment of real human tissue shows tumor cells moving in a regulated manner under the direction of "leader cells." Computer animation illustrates how a normal cell becomes cancerous. Treatments under development for the prevention of metastasis in certain cancers are summarized. (39 minutes)

Tell a Friend! Your Name: Your Email: Your Friend's Email: Your Message: We respect your privacy and will not use your friend's address without permission. Item#: BVL6904 Copyright date: ©1995 VHS ISBN 978-0-7365-0406-5 DVD ISBN 978-0-7365-7959-9

Part of the Series : Investigations in Microbiology

VHS	$169.95
DVD	$169.95
DVD + 3-Year Streaming	$254.93
3-Year Streaming	$169.95

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		Humans and Bacteria This program presents the human body as a complex ecosystem of bacteria, then examines each portion of the body, which bacteria live there, and why. The three major bacterial groups-sphere-shaped cocci, rods, and helical spirochetes and spirilla-are ...(more details)		VHS $169.95 DVD $169.95 DVD + 3-Year Streaming $254.93 3-Year Streaming $169.95
		Viruses Viruses are the simplest forms of life-so primitive in biological terms that for some years the scientific community debated whether they should even be regarded as living organisms. This program examines how viruses, though incapable of reproducing ...(more details)		VHS $169.95 DVD $169.95 DVD + 3-Year Streaming $254.93 3-Year Streaming $169.95
		AIDS This program discusses the nature of the HIV virus and shows how it propagates by utilizing living cells. Its organization is examined, along with its most prominent genes-gag, pol, and env. Reverse transcription-the process by which the virus enters...(more details)		VHS $169.95 DVD $169.95 DVD + 3-Year Streaming $254.93 3-Year Streaming $169.95
		Oncogenes This program discusses how the chemical alteration of oncogenes in human cells causes the growth of cancerous tumors. Toxic substances, radiation, viruses, and inherited genetic defects are examined as factors causing such alteration. The mechanisms ...(more details)		VHS $169.95 DVD $169.95 DVD + 3-Year Streaming $254.93 3-Year Streaming $169.95
		Free Radicals Free radicals are an important weapon in the immune system, but they can also cause chemical reactions that lead to damage of fatty acids, DNA mutation, and protein destruction. This program examines how the most important radicals are created, and h...(more details)		VHS $169.95 DVD $169.95 DVD + 3-Year Streaming $254.93 3-Year Streaming $169.95

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