-
early stage in
cephalization. The
Platyhelminthes (flatworms) have a more
complex nervous system than the Acoela, and are
lightly cephalized, for instance...
- of size.
Heads develop in
animals by an
evolutionary trend known as
cephalization. In
bilaterally symmetrical animals,
nervous tissue concentrate at the...
-
symmetry as adults, but are only
bilaterally symmetrical as an embryo.
Cephalization is a
characteristic feature among most bilaterians,
where the special...
- may
exist of
vascular redistribution (upper lobe
blood diversion or
cephalization),
Kerley lines,
cuffing of the
areas around the bronchi, and interstitial...
-
Earliest development of
bilateral symmetry, mesoderm, head (anterior
cephalization) and
various gut
muscles (and thus peristalsis) and, in the Nephrozoa...
- the mouth"; pl.: prostomia;
sometimes also
called the "acron") is the
cephalized first body
segment in an
annelid worm's body at the
anterior end. It is...
- It
consists of
nervous tissue and is
typically located in the head (
cephalization),
usually near
organs for
special senses such as vision,
hearing and...
-
forms the
frontmost portion of the
axial skeleton and is a
product of
cephalization and
vesicular enlargement of the brain, with
several special senses...
-
lobopodians and
extant onychophorans provide new
insights into
early cephalization in Panarthropoda".
Nature Communications. 3: 1261. Bibcode:2012NatCo...
- This
pattern of
development (with a
distinct head and tail) is
called cephalization. It is also
argued that the
development of an AP axis is
important in...
