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A brain endocast of P. transouralicum shows it was only 8 percent of the skull length, while the brain of the Indian rhinoceros is 17.7 percent of its skull length. [20] Upper molars of P. transouralicum, Musée d'Histoire Naturelle, Paris. The species of Paraceratherium are mainly discernible through skull characteristics.
The earliest paraceratheres like Juxia were comparable in size with living rhinoceroses with a body mass of three quarters to one and a half tons, while later members grew substantially larger, with the largest representatives (Paraceratherium, Dzungariotherium) estimated to have a body mass of 17 to possibly over 20 tonnes, making them the ...
Aralotherium is an extinct genus of hornless rhinocerotoids closely related to Paraceratherium, one of the largest terrestrial mammals that has ever existed.It lived in China and Kazakhstan during the late Oligocene epoch (28–23 million years ago).
A strand of human DNA is about 2.5 nanometers thick. (One micrometer is 1,000 times larger than a nanometer.) (One micrometer is 1,000 times larger than a nanometer.)
The human brain is the central organ of the nervous system, and with the spinal cord, comprises the central nervous system. It consists of the cerebrum, the brainstem and the cerebellum. The brain controls most of the activities of the body, processing, integrating, and coordinating the information it receives from the sensory nervous system ...
The cerebrum (pl.: cerebra), telencephalon or endbrain [1] is the largest part of the brain, containing the cerebral cortex (of the two cerebral hemispheres) as well as several subcortical structures, including the hippocampus, basal ganglia, and olfactory bulb. In the human brain, the cerebrum is the uppermost region of the central nervous system.
The falx cerebri is a strong, crescent-shaped sheet of dura mater lying in the sagittal plane between the two cerebral hemispheres. [3] It is one of four dural partitions of the brain along with the falx cerebelli, tentorium cerebelli, and diaphragma sellae; it is formed through invagination of the dura mater into the longitudinal fissure between the cerebral hemispheres.
In neuroanatomy, the paracentral lobule is on the medial surface of the cerebral hemisphere and is the continuation of the precentral and postcentral gyri.The paracentral lobule controls motor and sensory innervations of the contralateral lower extremity.