Word Meanings - PROTOVERTEBRA - Book Publishers vocabulary database

One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. See Illust. of Ectoderm. Note: The protovertebræ

Additional info about word: PROTOVERTEBRA

One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. See Illust. of Ectoderm. Note: The protovertebræ were long regarded as rudiments of the permanent vertebræ, but they are now known to give rise to the dorsal muscles and other structures as well as the vertebral column. See Myotome.

Related words: (words related to PROTOVERTEBRA)

• EMBRYO SAC
  See EMBRYONIC
• ANTERIORITY
  The state of being anterior or preceding in time or in situation; priority. Pope.
• EMBRYOTOMY
  The cutting a fetus into pieces within the womb, so as to effect its removal.
• EMBRYON
  See EMBRYO
• PRIMITIVENESS
  The quality or state of being primitive; conformity to primitive style or practice.
• EMBRYOGRAPHY
  The general description of embryos.
• ILLUSTROUS
  Without luster.
• MESOBLASTIC
  Relating to the mesoblast; as, the mesoblastic layer.
• EMBRYOTROPH
  The material from which an embryo is formed and nourished.
• ILLUSTRIOUS
  1. Possessing luster or brightness; brilliant; luminous; splendid. Quench the light; thine eyes are guides illustrious. Beau. & Fl. 2. Characterized by greatness, nobleness, etc.; eminent; conspicuous; distinguished. Illustrious earls, renowened
• 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.
• EMBRYOPLASTIC
  Relating to, or aiding in, the formation of an embryo; as, embryoplastic cells.
• EMBRYONATE; EMBRYONATED
  In the state of, or having, an embryonal.
• EMBRYOLOGIST
  One skilled in embryology.
• EMBRYONIC
  Of or pertaining to an embryo; embryonal; rudimentary. Embryonic sac or vesicle , the vesicle within which the embryo is developed in the ovule; -- sometimes called also amnios sac, and embryonal sac.
• PROTOVERTEBRA
  One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. See Illust. of Ectoderm. Note: The protovertebræ
• ILLUSTRATIVELY
  By way of illustration or elucidation. Sir T. Browne.
• ILLUSTRATIVE
  1. Tending or designed to illustrate, exemplify, or elucidate. 2. Making illustrious.
• WHICH
  the root of hwa who + lic body; hence properly, of what sort or kind; akin to OS. hwilik which, OFries. hwelik, D. welk, G. welch, OHG. welih, hwelih, Icel. hvilikr, Dan. & Sw. hvilken, Goth. hwileiks, 1. Of what sort or kind; what; what a; who.
• EMBRYONARY
  Embryonic.
• 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.
• INVERTEBRATE
  Destitute of a backbone; having no vertebræ; of or pertaining to the Invertebrata. -- n.
• 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.
• PSEUDEMBRYO
  A false embryo. An asexual form from which the true embryo is produced by budding.