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Multiple Choice
The lateral gray horns of the spinal cord are found in which segments of the spinal cord?
A
Thoracic and upper lumbar segments
B
Only the cervical segments
C
All segments of the spinal cord
D
Cervical and sacral segments
Verified step by step guidance
1
Understand the anatomy of the spinal cord: The spinal cord is divided into regions—cervical, thoracic, lumbar, sacral, and coccygeal. Each region has distinct structural and functional characteristics.
Learn about the lateral gray horns: These are specific areas of gray matter in the spinal cord that contain autonomic motor neurons. They are involved in regulating involuntary functions such as heart rate and digestion.
Identify the location of lateral gray horns: The lateral gray horns are present only in the thoracic and upper lumbar segments of the spinal cord. This is because these regions are associated with the autonomic nervous system, specifically the sympathetic division.
Eliminate incorrect options: Review the provided choices and rule out options that do not match the anatomical location of the lateral gray horns. For example, they are not found in all segments of the spinal cord or exclusively in cervical and sacral segments.
Select the correct answer: Based on the anatomical knowledge, the correct answer is 'Thoracic and upper lumbar segments.'