- In
geometric optics, the
paraxial approximation is a small-angle
approximation used in
Gaussian optics and ray
tracing of
light through an
optical system...
-
Paraxial mesoderm, also
known as
presomitic or
somitic mesoderm, is the area of
mesoderm in the
neurulating embryo that
flanks and
forms simultaneously...
-
which are the axial,
paraxial, intermediate, and
lateral plate mesoderms. The
axial mesoderm gives rise to the notochord. The
paraxial mesoderm forms the...
-
Because of the
paraxial inequality stated above, the ∂2u/∂z2 term is
neglected in
comparison with the k·∂u/∂z term. This
yields the
paraxial Helmholtz equation...
-
reasonably well by
using the
paraxial approximation. When
discussing ray
tracing this
definition is
often reversed: a "
paraxial ray" is then a ray that is...
-
mathematical expression for the
electric field amplitude is a
solution to the
paraxial Helmholtz equation. ****uming
polarization in the x
direction and propagation...
-
process by
which somites form.
Somites are
bilaterally paired blocks of
paraxial mesoderm that form
along the anterior-posterior axis of the developing...
- (outdated term:
primitive segments) are a set of
bilaterally paired blocks of
paraxial mesoderm that form in the
embryonic stage of somitogenesis,
along the head-to-tail...
-
several components which develop into tissues:
intermediate mesoderm,
paraxial mesoderm,
lateral plate mesoderm, and chorda-mesoderm. The chorda-mesoderm...
-
system has on rays that p****
through that point, in the
paraxial approximation. The
paraxial approximation ****umes that rays
travel at
shallow angles...
