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Body Tissues

Body Tissues. pp. 85-97. Epithelial Tissue. Locations: Cover free body surfaces Skin Lines body cavities Glands Functions: Protection Absorption Filtration Secretion. Epithelial Tissue, cont’d. Characteristics: Cells are tightly packed Two surfaces: Free (apical) surface

damian-puckett
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Body Tissues

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  1. Body Tissues pp. 85-97

  2. Epithelial Tissue • Locations: • Cover free body surfaces • Skin • Lines body cavities • Glands • Functions: • Protection • Absorption • Filtration • Secretion

  3. Epithelial Tissue, cont’d • Characteristics: • Cells are tightly packed • Two surfaces: • Free (apical) surface • Basement membrane – nonliving mat • Avascular • No blood supply • Mitotic

  4. Epithelial Tissue Types • Number of layers • Simple - one • Stratified – multiple • Shape • Squamous – flat tiles • Cuboidal - dice • Columnar - columns • Other • Pseudostratified columnar • Transitional - stretching • Glandular - secretion

  5. Connective Tissue • Location: • Widely distributed throughout the body – most abundant tissue • Functions: • Protection • Support • Binds together other tissues • Other • Stores fat and minerals • Produce blood cells • Transport

  6. Connective Tissue, cont’d • Characteristics: • Extracellular matrix – nonliving matter • Ground substance (glue) • Fibers (strength) • Varied blood supply • Mitotic

  7. Connective Tissue Types • Bone (osseous) • Cartilage • Dense connective tissue • Loose connective tissue • Areolar tissue • Adipose tissue • Reticular connective tissue • Blood

  8. Muscle Tissue • Locations: • Attached to bones • Heart • In the walls of hollow internal organs • Function: • Movement

  9. Muscle Tissue, cont’d • Characteristics: • Voluntary or involuntary • Mitotic or amitotic • Striated or not striated • One nucleus or several

  10. Muscle Tissue Types Skeletal Smooth Cardiac

  11. Nervous Tissue • Locations: • Brain, spinal cord, & nerves • Functions: • Irritability • Conductivity

  12. Nervous Tissue, cont’d • Characteristics: • Neurons have long processes • Amitotic

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