sexual cords
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sexual cord — n any of the cords of mesothelial cells that contain the primitive sexual cells in the developing ovaries and testes of vertebrate embryos and that in the male develop into the seminiferous tubules … Medical dictionary
Sexual differentiation — This article is about the development of sexual dimorphisms in humans. For sex differences for all animals, see Sexual dimorphism. Sexual differentiation is the process of development of the differences between males and females from an… … Wikipedia
primordial ovum — noun : one of the large cells in the germinal epithelium and in the sexual cords or egg tubes derived from it which occur in embryos of both sexes but more abundantly in the female and from which the true eggs are believed to be derived … Useful english dictionary
Dartmouth College student groups — This page contains detailed information on a number of student groups at Dartmouth College. For more information on athletic teams, please see Dartmouth College athletic teams. For more information on college publications, please see Dartmouth… … Wikipedia
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… … Universalium
Development of the urinary and reproductive organs — The development of the urinary and reproductive organs as a part of the prenatal development, concerns the urinary system and sex organs. The latter is a part of the stages of sexual differentiation. The urinary and reproductive organs are… … Wikipedia
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
Mantled howler — Mantled howler[1] Mantled howler Conservation status … Wikipedia
speech — /speech/, n. 1. the faculty or power of speaking; oral communication; ability to express one s thoughts and emotions by speech sounds and gesture: Losing her speech made her feel isolated from humanity. 2. the act of speaking: He expresses… … Universalium
