Concept explainers
To discuss:
The two basic types of cells in nervous tissue and their functional differences.
Introduction:
Humans and animals are the complex organisms made up of collection of cells to perform specific functions. These collections of cells are often called the tissues. Tissues arise from the embryonic origin that perform a specific physiological and structural role in an organ. Tissues perform specific functions, such as nerve signaling and nutrient digestion. There are four types of primary tissues namely epithelial, connective, nervous, and muscular tissues.
Excitability is a characteristic feature of all living organisms. Nervous and muscular tissues are the two excitable tissues that developed with a highest degree of all living things.
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Anatomy & Physiology: The Unity of Form and Function
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- Cytoplasmic extensions of _______ send and receive chemical messages. a. neuroglial cells b. neurons c. fibroblasts d. melanocytesarrow_forwardThe cells of muscles, myocytes, develop from ________. myoblasts endoderm fibrocytes chondrocytesarrow_forwardSkeletal muscle is composed of very hard working cells. Which organelles do you expect to find in abundance in skeletal muscle cell? nuclei striations golgi bodies mitochondriaarrow_forward
- Which type of epithelial cell is best adapted to aid diffusion? squamous cuboidal columnar transitionalarrow_forwardThe nerve impulse travels down a(n) ________, away from the cell body. dendrite axon microglia collagen fiberarrow_forwardWhich type of epithelial tissue specializes in moving particles across its surface and is found in airways and lining of the oviduct? transitional stratified columnar pseudostratified ciliated columnar stratified squamousarrow_forward
- Thinking tissue in our body consist of what?arrow_forwardThree patients in an intensive care unit have sustained damage and widespread tissue death in three different organs. One patient has brain damage from a stroke, another had a heart attack that destroyed cardiac muscle, and the third injured much of her liver (a gland) in a crushing car accident. All three patients have stabilized and will survive, but only one will gain full functional recovery through tissue regeneration. Which one, and why?arrow_forward4 major types of cellsarrow_forward
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