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allantois Saltos de línea: al¦lan|tois
Pronunciación: /əˈlantəʊɪs/

Definición de allantois en inglés:

sustantivo (plural allantoides əˈlantəʊɪdiːz)

The fetal membrane lying below the chorion in many vertebrates, formed as an outgrowth of the embryo’s gut. In birds and reptiles it grows to surround the embryo; in eutherian mammals it forms part of the placenta.
Oraciones de ejemplo
  • The urachus is a remnant of allantoic origin, connecting the embryonal cloaca to the allantois during early intrauterine life.
  • In the fetus, the urachus connects the bladder with the allantois.
  • Initially, the bladder is continuous with the allantois.

Derivados

allantoic

1
Pronunciación: /alənˈtəʊɪk/
adjetivo
Oraciones de ejemplo
  • We're talking about things like the amnion, the chorion, the allantoic sac, the placenta, the umbilical cord, if those words sound familiar to you.
  • Veterinarians are completing the study comparing allantoic and amniotic fluids and heart rates of fetuses in mares.
  • The embryo forms an allantoic placenta, as is true of at least some peramelids and koalas but not other marsupials.

allantoid

2
Pronunciación: /əˈlantɔɪd/
adjetivo
Oraciones de ejemplo
  • The spores are white, and are cylindrical to allantoid in shape.
  • HvAV - 3a virions vary from allantoid to bacilliform, and are not occluded in occlusion bodies.
  • When screening germ plasm for Karnal bunt resistance, allantoid secondary sporidia produced in solid media should be used as inoculum.

Origen

Mid 17th century: modern Latin, based on Greek allantoeidēs 'sausage-shaped'.

Definición de allantois en:

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