Spinal cord

Definition

The spinal cord is a long, thin, tubular structure made up of nervous tissue that extends from the brainstem to the lower back. It is responsible for transmitting neural signals between the brain and the rest of the body.

5 Must Know Facts For Your Next Test

1. The spinal cord plays a crucial role in motor control, sensory input, and autonomic functions.
2. Nutritional deficiencies, such as lack of B vitamins and antioxidants, can impair spinal cord function.
3. Adequate intake of Omega-3 fatty acids supports spinal cord health by promoting anti-inflammatory actions.
4. Vitamin D is essential for maintaining the structural integrity of the spinal cord's myelin sheath.
5. Malnutrition can exacerbate symptoms in conditions like Multiple Sclerosis that affect the spinal cord.

Review Questions

• What impact can B vitamin deficiency have on the spinal cord?
• How does Omega-3 fatty acid intake benefit spinal cord health?
• Why is Vitamin D important for maintaining spinal cord function?

Related terms

Myelin Sheath: The protective covering around nerve fibers that enhances signal transmission speed.

Motor Neurons: Nerve cells responsible for transmitting signals from the brain to muscles to induce movement.

Autonomic Nervous System: A component of the peripheral nervous system that regulates involuntary physiological functions like heart rate and digestion.