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17 Cards in this Set
- Front
- Back
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tissues
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group of cells w/ common embyronic origin that function together to carry out specialized activities
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What are the various types of tissues?
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Bone, fat, liquid.
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histology
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study of microscopic anatomy of cells and tissues, a branch of pathology, each cell type has features particular to its function!
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tight junctions
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found where leakproof seal is needed, like stomach and bladder.
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adherens junctions
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make adhesion belt that keeps tissues from separating as they stretch and contract. ex intestines.
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cadherin
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glycoprotein that forms belt like plague in adherens junctions
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desmosomes
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use cadherin gycoprotein plus intermediate filaments to hook into the cytoplasm, where high amt of tension is needed like heart.
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gap junctions
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pores that allow small substances like ions to pass between cells, cell communication
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what are the four basic types of tissues?
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epithelial, connective, muscular, nervous.
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epithelial tissue
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covers body surface or organ
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connective tissue
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support, protect, bind
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muscular tissue
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generate heat and force
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nervous tissue
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detect changes and respond w/ nerve impulse
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what are the 3 primary germ layers the tissues of the body develop?
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endoderm, mesoderm, and ectoderm
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ectoderm
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nervous tissue develops from this
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mesoderm
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c.t and muscle derived from this
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what tissue is from all 3 germ layers?
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epithelial
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