Asked by yacouba traore on Jun 28, 2024
Verified
What is the function of the cervical enlargement of the spinal cord?
A) It contains extra gray matter to provide the necessary innervation to the upper limbs.
B) It provides extra innervation to the heart and lungs.
C) It contains extra gray matter to provide the necessary innervation to the lower limbs.
D) It provides a large amount of neurons to control the postural muscles of the back.
E) It contains many neurons to provide accurate sensation to all areas of the trunk.
Cervical Enlargement
a widened area of the spinal cord that supplies nerves to the upper limbs.
Gray Matter
Neural tissue, especially of the brain and spinal cord, that predominantly contains neuronal cell bodies, dendrites, and unmyelinated axons, involved in processing and integration of information.
Upper Limbs
The regions of the human body extending from the shoulders to the hands, including the arms, forearms, and hands.
- Comprehend the anatomical and functional characteristics of the spinal cord's white and gray matter to appreciate their roles in spinal nerve functionality.
Verified Answer
AK
Ashek KarkiJun 29, 2024
Final Answer :
A
Explanation :
The cervical enlargement of the spinal cord contains additional gray matter needed to innervate the upper limbs, accommodating the complex movements and sensory requirements of the arms and hands.
Learning Objectives
- Comprehend the anatomical and functional characteristics of the spinal cord's white and gray matter to appreciate their roles in spinal nerve functionality.