Tissues HW
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)