-
linear function of the
angle of the
deferent. In the
Hipparchian system the
epicycle rotated and
revolved along the
deferent with
uniform motion. However, Ptolemy...
- is
moved by a
system of two spheres: one
called its
deferent; the other, its epicycle. The
deferent is a
circle whose center point,
called the eccentric...
- The vas
deferens (pl.: vasa deferentia),
ductus deferens (pl.: ductūs deferentes), or
sperm duct is part of the male
reproductive system of many vertebrates...
- large • ), is
placed so that it is
directly opposite to
Earth from the
deferent's center,
known as the
eccentric (represented by the × ). A
planet or the...
- with
direction pointing from
apoapsis to
periapsis Eccentric, a type of
deferent, a
circle or
sphere used in
obsolete epicyclical systems to
carry a planet...
- sphere/slice is the
deferent, with a
centre offset somewhat from the Earth; the
other sphere/slice is an
epicycle embedded in the
deferent, with the planet...
- view, such as the
apparent retrograde motion of the planets, a
system of
deferents and
epicycles was used. The
planet was said to
revolve in a
small circle...
-
epididymis 3:
Lobules of
epididymis 4: Body of
epididymis 5: Tail of
epididymis 6: Duct of
epididymis 7:
Deferent duct (ductus
deferens or vas deferens)...
-
Apollonius of
Perga (c. 262 – c. 190 BC) had
introduced the
deferent and
epicycle and the
eccentric deferent to astronomy.
Hipparchus (2nd
century BC) had crafted...
- BCE,
retrograde motion was
explained by
having the
planets travel in
deferents and epicycles. It was not
understood to be an
illusion until the time...