Tissues HW

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How many basic types of muscle tissue are there? __________

3

Which of the following characteristics is lacking in the typical areolar connective tissue pictured in the figure?

None of these characteristics is lacking (This tissue has all of these abilities: elastic properties, ground substance, ability to supply other tissues, vascularity)

Epithelial tissues can be classified according to cell shape. __________ epithelial cells are scalelike and flattened.

Squamous

All connective tissue is derived from an embryonic tissue known as __________.

mesenchyme

Of the two major cell types found in nervous tissue, __________ cells are highly specialized to generate and conduct electrical signals.

neurons

What activity does cell 1 undertake to contribute to the body's defense against injury and infection?

phagocytosis of foreign materials (Cell 1 is a Macrophage)

Marfan's syndrome is a disease associated with faulty manufacture of the extracellular protein fibrillin. Since this is a component of elastin, in which of the numbered cells would the damaged gene be expressed?

2 (Cell 2 is a fibroblast)

Which numbered cell type initiates inflammatory responses to infection or tissue damage?

5 (Cell 5 is a mast cell)

Which of these terms applies best to all material in this tissue that is not cellular?

Matrix (applies to all the extracellular material seen)


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