Definitions for meconiummɪˈkoʊ ni əm

This page provides all possible meanings and translations of the word meconium

Random House Webster's College Dictionary

me•co•ni•ummɪˈkoʊ ni əm(n.)

  1. the first fecal excretion of a newborn child, composed chiefly of bile, mucus, and epithelial cells.

    Category: Physiology

Origin of meconium:

1595–1605; < L < Gk mēkṓnion opium, meconium, dim. of mḗkōn poppy

Princeton's WordNet

  1. meconium(noun)

    thick dark green mucoid material that is the first feces of a newborn child

Wiktionary

  1. meconium(Noun)

    A dark green mass, the contents of the fetal intestines during the later stages of mammalian gestation, that forms the first faeces of the newborn

  2. Origin: From meconium, from μηκώνιον, from μήκων.

Webster Dictionary

  1. Meconium(noun)

    opium

  2. Meconium(noun)

    the contents of the fetal intestine; hence, first excrement

Freebase

  1. Meconium

    Meconium is the earliest stools of a mammalian infant. Unlike later feces, meconium is composed of materials ingested during the time the infant spends in the uterus: intestinal epithelial cells, lanugo, mucus, amniotic fluid, bile, and water. Meconium, unlike later feces, is viscous and sticky like tar, its color usually being a very dark olive green; it is almost odorless. When diluted in amniotic fluid, it may appear in various shades of green, brown, or yellow. It should be completely passed by the end of the first few days of life, with the stools progressing toward yellow. Meconium is normally stored in the infant's bowel until after birth, but sometimes it is expelled into the amniotic fluid prior to birth or during labor and delivery. The stained amniotic fluid is recognised by medical staff as a sign of fetal distress, and puts the neonate at risk of meconium aspiration. Medical staff may aspirate the meconium from the nose and mouth of a newborn immediately after delivery in the event the baby shows signs of respiratory distress to decrease the risk of meconium aspiration syndrome.

U.S. National Library of Medicine

  1. Meconium

    The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn.

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