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Placental mammals (infraclass
Placentalia /plæsənˈteɪliə/) are one of the
three extant subdivisions of the
class Mammalia, the
other two
being Monotremata...
- 'maternal part' of the placenta).
Placentas are a
defining characteristic of
placental mammals, but are also
found in
marsupials and some non-mammals with varying...
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Placental abruption is when the
placenta separates early from the uterus, in
other words separates before childbirth. It
occurs most
commonly around 25...
- A
placental infarction results from the
interruption of
blood supply to a part of the placenta,
causing its
cells to die.
Small placental infarcts, especially...
- 15-25
separations of the
decidua basalis of the placenta,
separated by
placental septa. Each
cotyledon consists of a main stem of a
chorionic villus as...
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Placental lactogen, also
called chorionic somatomammotropin, is a
polypeptide placental hormone, part of the
somatotropin family. Its
structure and function...
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Placental insufficiency or utero-
placental insufficiency is the
failure of the
placenta to
deliver sufficient nutrients to the
fetus during pregnancy,...
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amongst the Theriiformes.
Theria includes the
eutherians (including the
placental mammals) and the
metatherians (including the marsupials) but excludes...
- mammals. The most species-rich
group of mammals, the
infraclass called placentals, have a placenta,
which enables the
feeding of the
fetus during gestation...
-
monotremes and
placentals. The
marsupials evolved to fill
specific ecological niches, and in many
cases they are
physically similar to the
placental mammals...
