Word Meanings - NOTOCHORD - Book Publishers vocabulary database

An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebræ and the posterior part of the base of the skull

Additional info about word: NOTOCHORD

An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebræ and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm.

Related words: (words related to NOTOCHORD)

• EMBRYO SAC
  See EMBRYONIC
• EMBRYOTOMY
  The cutting a fetus into pieces within the womb, so as to effect its removal.
• CENTRALLY
  In a central manner or situation.
• EMBRYON
  See EMBRYO
• MEDULLARY
  Filled with spongy pith; pithy. Medullary groove , a groove, in the epiblast of the vertebrate blastoderm, the edges of which unite, making a tube from which the brain and spinal cord are developed. -- Medullary rays , the rays of
• PRIMITIVENESS
  The quality or state of being primitive; conformity to primitive style or practice.
• EMBRYOGRAPHY
  The general description of embryos.
• SKELETON
  Consisting of, or resembling, a skeleton; consisting merely of the framework or outlines; having only certain leading features of anything; as, a skeleton sermon; a skeleton crystal. Skeleton bill, a bill or draft made out in blank as to the amount
• DEVELOPMENT
  The series of changes which animal and vegetable organisms undergo in their passage from the embryonic state to maturity, from a lower to a higher state of organization. The act or process of changing or expanding an expression into another
• EMBRYOTROPH
  The material from which an embryo is formed and nourished.
• WHICHEVER; WHICHSOEVER
  Whether one or another; whether one or the other; which; that one which; as, whichever road you take, it will lead you to town.
• CENTRAL; CENTRALE
  The central, or one of the central, bones of the carpus or or tarsus. In the tarsus of man it is represented by the navicular.
• EMBRYOPLASTIC
  Relating to, or aiding in, the formation of an embryo; as, embryoplastic cells.
• EMBRYONATE; EMBRYONATED
  In the state of, or having, an embryonal.
• VERTEBRA
  One of the serial segments of the spinal column. Note: In many fishes the vertebræ are simple cartilaginous disks or short cylinders, but in the higher vertebrates they are composed of many parts, and the vertebræ in different portions of the
• AROUND
  1. In a circle; circularly; on every side; round. 2. In a circuit; here and there within the surrounding space; all about; as, to travel around from town to town. 3. Near; in the neighborhood; as, this man was standing around when the fight took
• EMBRYOLOGIST
  One skilled in embryology.
• CENTRALITY
  The state of being central; tendency towards a center. Meantime there is a great centrality, a centripetence equal to the centrifugence. R. W. Emerson.
• CENTRALIZE
  To draw or bring to a center point; to gather into or about a center; to bring into one system, or under one control. centralize the power of government. Bancroft.
• SKULLFISH
  A whaler's name for a whale more than two years old.
• POSTAXIAL
  Situated behind any transverse axis in the body of an animal; caudal; posterior; especially, behind, or on the caudal or posterior side of, the axis of a vertebrate limb.
• PROEMBRYO
  The series of cells formed in the ovule of a flowering plant after fertilization, but before the formation of the embryo. The primary growth from the spore in certain cryptogamous plants; as, the proembryo, or protonema, of mosses.
• SACROVERTEBRAL
  Of or pertaining to the sacrum and that part of the vertebral column immediately anterior to it; as, the sacrovertebral angle.
• INVERTEBRATE
  Destitute of a backbone; having no vertebræ; of or pertaining to the Invertebrata. -- n.
• INVERTEBRATA
  A comprehensive division of the animal kingdom, including all except the Vertebrata.
• SCLEROSKELETON
  That part of the skeleton which is developed in tendons, ligaments, and aponeuroses.
• UNELASTICITY
  Inelasticity.
• NONDEVELOPMENT
  Failure or lack of development.
• VERTEBRAL
  Of or pertaining to a vertebræ, or the vertebral column; spinal; rachidian. 2. Vertebrate.
• MONEMBRYONY
  The condition of an ovule having but a single embryo. -- Mon*em`bry*on"ic, a.
• INVERTEBRATED
  Having no backbone; invertebrate.
• INEMBRYONATE
  Not embryonate.