Term
| Animal tissues are held together by the ___ and ____. |
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Definition
| extracellular matrix and cell junctions |
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Term
| 4 major categories of tissue are |
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Definition
| epithelial, connective, muscle and nervous |
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Term
| epithelial ( some specialized for absorption or secretion like mucous) |
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Definition
| Tightly packed cells that are protective layers, cover the body and line organs and body cavities. 1 free surface is exposed to air or fluid, and the other surface attached to ECM ( basement membrane). |
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Term
| Body parts and corresponding epithelial tissue- |
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Definition
Lung- simple squamous
kidney- simple cuboidal
intestine- simple columnar
esophagus- stratified squamous
skin- stratified squamous |
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Term
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Definition
exocrine ( secrete product onto surface via ducts
endocrine- secrete products into a tissue, no ducts needed. |
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Definition
| basic support of body, providing attachment sites and protecting organs. characterized by a sparse cell population |
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Term
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Definition
| most common type. cells are fibroblasts. form is loose, collagenous fibers. it functions as a flexible framework around organs. |
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Term
| Fibrous connective tissues, is ligaments. |
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Definition
| cells are fibroblasts. form is dense masses of collagen. irregular fibers are impact resistant. |
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Definition
| form is a specialized loose connective tissue |
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Definition
| form is collagenous, strong and flexible. form skeleton, resists compression. |
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Term
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Definition
| hard strong, form is mineralized hardened matrix of collagen and Ca. there are compact bones and spongy bones. |
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Definition
| fluid matrix ( plasma), it is still a connective tissue. |
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Definition
| Most abundant tissue. major food user and major source of body heat. |
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Definition
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Definition
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Definition
| involuntary contractions of heart |
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Term
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Definition
| Neurons are the cells. the accessory cells are neuroglia. |
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Term
| Neurons's 2 types of processes within |
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Definition
| dendrites, which receive and transfer messages. Axons transfer messages away from cell body. |
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Term
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Definition
| relay info about interior and exterior enviroment. relay info from on part of the body to another. |
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Term
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Definition
| a cluster of processes belonging to several neurons. Conducts messages from CNS ( brains/ spinal cord) and from sensory receptors back to the CNS. |
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