- Types:
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medulla spinalis, spinal cord
a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain; a long tubelike structure extending from the base of the brain through the vertebral canal to the upper lumbar region
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umbilical, umbilical cord
membranous duct connecting the fetus with the placenta
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spermatic cord
a structure resembling a cord that suspends the testis within the scrotum and contains the vas deferens and other vessels and nerves