Lab 4 connective tissues



Lab 7 Connective, Muscle and Nerve Tissue

Objectives:

A. Study slides of and be able to identify and describe the following types of connective tissue and their component cells and inter-cellular materials. Remember that connective tissues are usually found between other tissue types, holding them together. Use your lecture notes and power point presentation and online lecture to help you with this exercise.

1.  Connective Tissue Proper- predominant fiber is collagen

a.    loose connective tissue- fibroblasts, collagen fibers, elastic fibers, adipocytes  

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

                                               

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b.    dense connective tissue

  1.     dense irregular (scalp)

2.    dense regular (tendon) = white fibrous connective tissue.

3.    elastic (aorta)- note that this is very different from elastic cartilage

c. reticular fibers- form fine networks that hold organs together. The spleen is a good example

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

d. adipose tissue- look in the lower portions of dermis

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

2.    cartilage

      a.     hyaline cartilage: matrix, chondrocytes, lacunae

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

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b.    fibrocartilage- identify collagenous fibers

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

c.     elastic cartilage- identify elastic fibers

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

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3.    bone (ground, cross section) - Haversian canal, osteocytes, canaliculi

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

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4.  blood: white and red blood cells

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

5. Muscle Tissue: Study slides of muscle tissue and be able to identify the three types of muscle tissue. Make sure that you are looking at a longitudinal section of each type of muscle tissue. List the characteristics that allow you to differentiate them.

a. Skeletal Muscle

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

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b. Smooth Muscle

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

c. Cardiac Muscle

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

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6. Nervous Tissue

a. Neurons

1. Physical Characteristics _______________________________________

2. Functions (s)________________________________________________

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b. Glial Cells

1. Physical Characteristics _______________________________________

2. Functions (s)_________________________________________________

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