tubular cord

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• Cord — Short and informal reference to the spinal cord, the major column of nerve tissue that is connected to the brain, lies within the vertebral canal, and from which the spinal nerves emerge. The spinal cord and the brain constitute the central… …   Medical dictionary

• cord — n. any long flexible structure, which may be solid or tubular. Examples include the spermatic cord, spinal cord, umbilical cord, and vocal cord …   The new mediacal dictionary

• nerve cord — n the dorsal tubular cord of nervous tissue above the notochord of a chordate that in vertebrates includes or develops an anterior enlargement comprising the brain and a more posterior part comprising the spinal cord with the two together making… …   Medical dictionary

• nerve cord — noun Date: 1877 1. the pair of closely united ventral longitudinal nerves with their segmental ganglia that is characteristic of many elongate invertebrates (as earthworms) 2. the dorsal tubular cord of nervous tissue above the notochord of a… …   New Collegiate Dictionary

• nerve cord — noun A dorsal tubular cord of nervous tissue above the notochord of a chordate …   Wiktionary

• Spinal cord — Latin medulla spinalis The spinal cord nested in the vertebral column …   Wikipedia

• spermatic cord — Anat. the cord by which a testis is suspended in the scrotum, containing the vas deferens and the blood vessels and nerves of the testis. [1790 1800] * * * ▪ anatomy       either of a pair of tubular structures in the male reproductive system… …   Universalium

• renal system — ▪ anatomy Introduction  in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine.       In many respects the human excretory, or… …   Universalium

• syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… …   Medical dictionary

• percussion instrument — a musical instrument, as the drum, cymbal, triangle, xylophone, or piano, that is struck to produce a sound, as distinguished from string or wind instruments. [1870 75] * * * A musical instrument that is struck (or sometimes shaken or scraped) to …   Universalium

• Development of the reproductive system — The development of the reproductive system is a part of prenatal development, and concerns the sex organs. It is a part of the stages of sexual differentiation. Because its location to a large extent overlaps the urinary system, the development… …   Wikipedia