Tissues HW

How many basic types of muscle tissue are there? __________

3

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

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)

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)

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)