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Chapter 3 Tissues  Quick and Dirty
Tissues Types  1) Epithelial  2) Connective  3) Muscle  4) Nervous  Seems pretty simple right? Hold that thought…  cause here we go.  Key thing to remember “ FORM fits the FUNCTION”
Tissues: Epithelial  Described by  SHAPE  and  LAYERS   Layers  Simple:  A layer a single cell thick Stratified:  Many layers thick
Tissues: Epithelial  Described by  SHAPE  and  LAYERS   Shapes  “ Squamous”  (means Scale) = Flat and Thin Cuboidal  (sounds like “Cube” right?) = Cube shaped  Columnar  (Looks like a “Pillar” right?) = Rectangular in shape “ Squamous”  (means Scale) = Flat and Thin “ Squamous”  (means Scale) = Flat and Thin
Tissues: Epithelial  So what happens when you put them together?  A Good Description Stratified Squamous Epithelium   Found as:  Skin or the Lining of your Esophagus
Now you try one How many cell layers are there? 1 Making it  SIMPLE  What shape are the cells?  Pillar-like or Rectangular =  Columnar Description (NAME)? Simple Columnar Epithelium  Found in the GI Tract or Intestines
Tissues: Connective  Defining element:  Extracellular matrix  = a secretion of structureless ground substances and fibers in-between cells  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Tissues: Connective  Here we see the  Matrix  of  Bone  Hyaline Cartilage Found in the sternum connecting the ribs  Bone
Tissues: Connective  Fibers  also make up a good portion of Connective Tissue.   Example:  Collagen Fibers   Lets not forget our friend  Blood  (Blood Plasma =matrix) He counts too! Lets not forget our friend  Blood  (Blood Plasma =matrix) He counts too! Fibers  also make up a good portion of Connective Tissue.   Fibers  also make up a good portion of Connective Tissue.   Example:  Collagen Fibers   Fibers  also make up a good portion of Connective Tissue.
Tissues: Muscles  Only  3  kinds (Woo Hoo!!)  Skeletal:  Multinucleated, long fibers, Striated & Voluntary Smooth:  (makes up hollow organs like the stomach, intestines and blood vessels)  Single nucleated, non-striated Moves things with peristalsis (think of squeezing a tube of toothpaste) & Involuntary
Tissues: Muscles  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Tissues: Nervous  Neurons  are the cell bodies of the Nerve cells  Conduct  electrochemical  impulses across the body They can have extensions that go as long as  3 ft long  in some parts of the body!
Tomorrow  We Lab…be ready

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Chapter 3 tissues intro

  • 1. Chapter 3 Tissues Quick and Dirty
  • 2. Tissues Types 1) Epithelial 2) Connective 3) Muscle 4) Nervous Seems pretty simple right? Hold that thought… cause here we go. Key thing to remember “ FORM fits the FUNCTION”
  • 3. Tissues: Epithelial Described by SHAPE and LAYERS Layers Simple: A layer a single cell thick Stratified: Many layers thick
  • 4. Tissues: Epithelial Described by SHAPE and LAYERS Shapes “ Squamous” (means Scale) = Flat and Thin Cuboidal (sounds like “Cube” right?) = Cube shaped Columnar (Looks like a “Pillar” right?) = Rectangular in shape “ Squamous” (means Scale) = Flat and Thin “ Squamous” (means Scale) = Flat and Thin
  • 5. Tissues: Epithelial So what happens when you put them together? A Good Description Stratified Squamous Epithelium Found as: Skin or the Lining of your Esophagus
  • 6. Now you try one How many cell layers are there? 1 Making it SIMPLE What shape are the cells? Pillar-like or Rectangular = Columnar Description (NAME)? Simple Columnar Epithelium Found in the GI Tract or Intestines
  • 7.
  • 8. Tissues: Connective Here we see the Matrix of Bone Hyaline Cartilage Found in the sternum connecting the ribs Bone
  • 9. Tissues: Connective Fibers also make up a good portion of Connective Tissue. Example: Collagen Fibers Lets not forget our friend Blood (Blood Plasma =matrix) He counts too! Lets not forget our friend Blood (Blood Plasma =matrix) He counts too! Fibers also make up a good portion of Connective Tissue. Fibers also make up a good portion of Connective Tissue. Example: Collagen Fibers Fibers also make up a good portion of Connective Tissue.
  • 10. Tissues: Muscles Only 3 kinds (Woo Hoo!!) Skeletal: Multinucleated, long fibers, Striated & Voluntary Smooth: (makes up hollow organs like the stomach, intestines and blood vessels) Single nucleated, non-striated Moves things with peristalsis (think of squeezing a tube of toothpaste) & Involuntary
  • 11.
  • 12. Tissues: Nervous Neurons are the cell bodies of the Nerve cells Conduct electrochemical impulses across the body They can have extensions that go as long as 3 ft long in some parts of the body!
  • 13. Tomorrow We Lab…be ready