-
Amniotes are
tetrapod vertebrate animals belonging to the
clade Amniota, a
large group that
comprises the vast
majority of
living terrestrial and semiaquatic...
- Pan-Amniota) is a
clade containing the
amniotes and
those tetrapods that
share a more
recent common ancestor with
amniotes than with
living amphibians (lissamphibians)...
- (/tɛˈtræpədə/).
Tetrapods include all
extant and
extinct amphibians and
amniotes, with the
latter in turn
evolving into two
major clades, the sauropsids...
- The
primitive streak is a
structure that
forms in the
early embryo in
amniotes. In amphibians, the
equivalent structure is the blastopore.
During early...
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advanced reptiliomorphs (transitional
between "amphibians"
sensu lato and
amniotes)
positioned close to, but
outside of the
clade Amniota,
though some recent...
- In
amniotes, the ****oris (/ˈklɪtərɪs/ KLIT-ər-iss or /klɪˈtɔːrɪs/ klih-TOR-iss; pl.: ****orises or ****orides) is a
female **** organ. In humans, it is...
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flight feathers to bones, in
dinosaurs and birds. All 30,000
species of
amniotes (land
animals with
internal bones) have ligaments. It is also
known as...
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filled with
clear fluid that
forms part of the
developing conceptus in an
amniote that
helps the
embryo exchange gases and
handle liquid waste. The other...
- An
anapsid is an
amniote whose skull lacks one or more
skull openings (fenestra, or fossae) near the temples. Traditionally, the
Anapsida are considered...
- In
amniote embryology, the
hypoblast is one of two
distinct layers arising from the
inner cell m**** in the
mammalian blastocyst, or from the blastodisc...
