C. Muscle Tissues

1
C. Muscle Tissues

• Skeletal muscle tissue (voluntary)
• Long, threadlike cells
• Striations alternating light and dark
  cross-markings
• Each cell has many nuclei just beneath the cell
  membrane.

2
Muscle Tissues (cont.)

• 2. Smooth muscle tissue (involuntary)
• No striations
• Cells are shorter than skeletal muscle,
  spindle-shaped, and have one, centrally located
  nucleus.
• Line walls of internal organs

3
Muscle Tissues (cont.)

• 3. Cardiac muscle tissue heart
• Striated and joined end-to-end
• Each cell has only one nucleus. ???

4
D. Nervous Tissue

• Nervous tissue is
• found in the brain, spinal cord, and nerves.
• made up of
• Neurons nerve cells
• Neuroglial cells helper cells
• glia glue
• Support and bind components of nervous tissue to
  each other and to blood vessels
• See Table 5.5, p.107!!!