The picture above shows the tissue of the spinal cord from a frog. The spinal cord is part of the CNS or the Central Nervous System. The spinal cord is enveloped by a connective tissue membrane which surrounds the spinal cord and several blood vessels are seen in it.
The picture above shows the tissue of the spinal cord from a frog. The spinal cord is part of the CNS or the Central Nervous System. The spinal cord is enveloped by a connective tissue membrane which surrounds the spinal cord and several blood vessels are seen in it.