Question

For this assignment you will build a decision tree (sometimes referred to as a flowchart) that would help an unidentified tissue to be identified. In other words, if you are looking at a picture of an unidentified tissue, what are the questions that you would ask yourself to identify the tissue? View the video to see how this process should proceed. At the end of this assignment you should have produced a decision tree that one of your peers could use to identify any of the tissues contained within your reading this week. You must have a sufficient level of detail to identify individual tissue types (i.e. it’s not sufficient to identify “muscle” tissue, your decision tree must distinguish between the three types of muscle tissue). Each junction/decision point on your tree must have a clear question (for example, does this tissue contain a large amount of extra-cellular matrix?).

Answer 1

The muscle tissue can be identified on the basis of their location, type of activity, appearance.

Skeletal/ Voluntary muscles

Striped multinucleatedbundle arrangementdark and light bandsseen in limbscontract quickly

Involuntary muscles

No stripesuninucleatedsheet arrangementlung, alimentary canalcontract slowly

Cardiac muscles

striated and non striateduninucleatenetwork arrangementheartcontract quickly and rhythmically

The Extra cellular matrix can exist in varying degrees of stiffness and elasticity, from soft brain tissues to hard bone tissues. The elasticity of the Extra cellular matrix can differ by several orders of magnitude. This property is primarily dependent on collagen and elastin concentrations.It is seen in maximum amount in the Skeletal muscle, it also forms the cardiac meshwork, while it is almost absent in involuntary muscle.

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