Histology

Card Set Information

Author:
lduran8
ID:
307502
Filename:
Histology
Updated:
2015-09-08 03:14:21
Tags:
Zoology Tissues
Folders:
Zoology
Description:
Explanation of Histology-the study of tissues
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  1. 4 Basic Types of Tissues

    • Epithelial
    • Connective
    • Muscle
    • Nervous
  2. Tissue
    collection of cells that perform a common function.
  3. What is Epithelial tissue?

    Cells that form a tight, continuous network
  4. Where is Epithelial tissue found?
    • Surfaces of the body and organs
    • lining of body cavities
  5. Function of Epithelial tissue?
    • protection
    • absorption
    • secretion
  6. Epithelial cell shape (3)
    • Squamos
    • cuboidal
    • columnar
  7. Epithelial cell layering (3)
    • Simple- 1 layer
    • Stratified- multiple layers
    • Psuedostratified- falsely stratified
  8. What is Connective tissue?
    Cells widely separated from each other in a matrix.
  9. Function of Connective tissue-
    • form & function
    • binding
    • support
  10. 2 matrix regions
    • Ground substance- liquid, gel, gum
    • Fibers- Non elastic & Elastic
  11. Fibrous Connective Tissue (2)

    • Loose- takes up space, wrapped around organs
    • Dense- tendons & ligaments
  12. Supportive Connective Tissue (2)
    • CartilageĀ 
    • Bone
  13. Fluid Connective Tissue
    Blood
  14. 3 blood cells
    • Erythrocytes- red blood cells
    • Leukocytes- white blood cells
    • Platelets- form clots
  15. What is the most abundant tissue in most animals?
    Muscle Tissue
  16. What is the muscle cell called?
    Muscle Fiber
  17. Function of Muscle tissue-
    contraction
  18. Skeletal Muscle Tissue (3)
    • Striated
    • Multi nuclei
    • Voluntary
  19. What is the most abundant tissue in chordates?
    Skeletal Muscle Tissue
  20. Cardiac Muscle Tissue
    • Striated
    • 1-2 Nuclei
    • Involuntary
  21. Smooth Muscle Tissue (3)
    • No Striations
    • 1 Nucleus
    • Involuntary
  22. What does the Smooth muscle tissue line?
    • OrgansĀ 
    • Cavaties- stomach, intestines, uterus, bladder
  23. Function of Nervous Tissue-
    Conducts impulses from one region to another.
  24. 2 Basic Nervous Tissue cell types-
    • Neurons- main part
    • Neuroglia- all other parts
  25. Importance of Neurons-
    Structure and functional unit of nervous system
  26. Importance of Neuroglia-
    Insulates and supports neurons

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