This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: TOPIC 12: CELL CONNECTIONS Last edited on THREE FUNDAMENTAL PROPOSITIONS Tissues are made up of cells and an extracellular matrix Tissues have a variety of special ways to acquire tensile strength and to communicate with each other In general we are held together by innumerable connections between the cytoskeleton of one of our cells with that of most other cells with some connections often involving special transmembrane and extracellular matrix proteins You should probably read this Chapter from the start and then start studying carefully the material on Cell Junctions starting on p. 496 - 501.You should know this material very well! In multicellular organisms cells are usually arranged as tissues (organized assemblies of similar specialized cells that form a distinct part of a plant or animal) such as connective, epithelial, nervous tissue and muscle. On its own, this may not seem so very interesting, but what the issue really alludes to is an answer to the question, what holds us together? Put another way, what gives squishy little cells with their fluid membrane the strength to hold up an together?...
View Full Document
This note was uploaded on 08/06/2008 for the course BIO 1140 taught by Professor Fenwick during the Winter '07 term at University of Ottawa.
- Winter '07