AH 112: Tissue Word Scramble
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Question | Answer |
What are the four types of human tissue? | *Epithelial *Connective Muscle Nervous |
What is epithelial tissue? | Continuous cellular sheet that covers the body's surface, lines body cavities, and forms certain glands |
Epithelial tissue is classified by what two things? | *Number of cell layers *Shape |
Name the three categories of cells based on number of cell layers. | *Simple (one layer) *Stratified (multi-layered) *Pseudostratified (one layer but appears multi-layered) |
Name the three categories of cells based on shape. | *Squamous (flat surface cells) *Columnar (tall cylindrical surface cells) *Cuboidal (cube-shaped surface cells) |
What is endothelium? | epithelium tissue with a single layer of squamous cells attached to a basement membrane |
What is glandular epithelium? | special epithelium that makes up organs that produce secretions |
What are the three categories of glands, determined by how they secrete their products? | *Endocrine *Exocrine *Mixed glands |
Where do endocrine glands secrete their products? | Into the blood or lymph |
Where do exocrine glands secrete their products? | Into ducts that lead to external/internal surfaces |
What is a mixed gland? | A gland that contains both endocrine/exocrine cells |
Where is connective tissue found? | Bones, cartilage, adipose (fatty) tissue |
What is the purpose of connective tissue? | Binds together and supports body structure |
What are the two categories of connective tissue? | *Loose *Dense |
What is loose connective tissue? | large spaces that separate the fibers and cells; contains a lot of intercellular fluid Also called areolar connective tissue |
What is dense connective tissue? | Provides structural support and has a greater fiber concentration |
What are the two categories of dense connective tissue? | *Dense regular connective tissue *Dense irregular connective tissue |
What is dense regular connective tissue? | Tightly packed fibers arranged in a consistent pattern |
What is dense irregular connective tissue? | Tightly packed fibers arranged in an inconsistent pattern |
What is the function of adipose tissue? | *Specialized type of loose connective tissue *Distributed subcutaneously *Insulation to preserve body heat *Cushion for internal organs *Storage depot for excess food/reserve supplies of energy |
What are the three types of muscle tissue? | *Striated *Cardiac *Smooth |
What is striated muscle tissue? | Striped/striated tissue that contracts voluntarily (example: biceps) |
How is cardiac muscle tissue different from other striated tissue? | *Its fibers are separate cellular units that don't contain many nuclei *It contracts involuntarily |
What is smooth muscle tissue? | Long, spindle-shaped cells that have no striped pattern. Activity is stimulated by autonomic nervous system. Contracts involuntarily. Lines the walls of many internal organs. |
What is the function of nervous tissue? | Serves as the body's communication; brings impulses to the cell body; conducts impulses away |
What are neurons? | Cells that generate and conduct nerve impulses. Consists of dendrites and an axon. These allow the neuron to conduct impulses over long distances. |
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LCC
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