Exam 6 PHYL 141L

Nervous tissue

1: Nuclei of surrounding neuroglial cells

2: Nucleus of the neuron

3: Nucleolus of neuron

4: Dendrites of neuron

Cross-section of a peripheral nerve

1: Perineurium

2: Epineurium

3: Endoneurium

4: Bundle of axons

Cross-section of a peripheral nerve

1: Endoneurium

2: Axons

3: Myelin sheath

4: Perineurium

5: Epineurium

A nerve stained with osmium

1: Myelin sheath

2: Endoneurium

3: Axon

A longitudinal section of axons

1: Myelin sheath

2: Neurofibril nodes (nodes of Ranvier)

Cross-section of the spinal cord

1: Posterior root of spinal nerve

2: Posterior horn

3: Spinal cord tract

4: Anterior horn

Motor neurons from the spinal cord

1: Neuroglial cells

2: Dendrites

3: Nucleus

Cross-section of unmyelinated nerve

1: Motor nerve

2: Motor end plates

3: Skeletal muscle fiber

1: Trachea

2: Esophagus

3: Pulmonary artery

4: Dura mater

5: Spinal cord

6: Body of lumbar vertebra

7: Cauda equina

8: Intervertebral disc

9. Rectum

10. Right atrium

11. Right ventricle

12. Liver

13. Small intestine

14. Urinary bladder

15. Pubic bone