220 BC
Centuries: 4th century BC - 3rd century BC - 2nd century BCDecades: 270s BC 260s BC 250s BC 240s BC 230s BC - 220s BC - 210s BC 200s BC 190s BC 180s BC 170s BC
Years: 225 BC 224 BC 223 BC 222 BC 221 BC - 220 BC - 219 BC 218 BC 217 BC 216 BC 215 BC
Births
Deaths
Events
- October/November - Pharaoh Ptolemy IV of Egypt marries his sister who rises to the throne as Arsinoe III of Egypt.
- Eratosthenes measures the size of the Earth.
- On the island Crete, the Gortynians[?] occupy Matala.
especially of the former, in respect to the other parts of the brain.html">brain.html">brain.
In the lower placental mammals, the cerebral hemispheres leave the
when the brain is viewed from above; but, in the higher forms, the
281) from the anterior.html">anterior face of the cerebellum.html">cerebellum, inclines backwards and
length to overlap and hide the cerebellum. In all Mammals, each
and as this ventricle is prolonged, on the one hand, forwards, and on
to have two horns or 'cornua, an 'anterior cornu,' and a 'descending
of the ventricular cavity extends into it, and is called the "posterior.html">posterior
cerebral hemispheres is either smooth or evenly rounded, or exhibits a
ridges or 'convolutions' of the substance of the brain; and the smaller
the higher orders, and especially the larger members of these orders,
convolutions proportionately more complicated in their meanderings,
cerebral surface.html">surface appears a perfect labyrinth of tortuous foldings.
Where a posterior lobe exists and presents its customary cavity--the
upon the inner and under surface of the lobe, parallel with and beneath
the sulcus. It is as if the groove had been formed by indenting the
that the floor.html">floor should rise as a convex eminence. Now this eminence is
being a larger eminence in the floor of the descending cornu. What may
erecting any cerebral barrier between man.html">man and the apes, Nature has
gradations from brains little higher than that of a Rodent, to brains
that though, so far as our present knowledge extends, there 'is' one
hiatus does not lie between Man and the man-like apes, but between the
.
On
wordlookup.net
All is still licensed under the GNU FDL.
It uses material from the wikipedia.
|
|