1,3- DIPHENYLGUANIDINE ; 1,3-DIPHENYLGUANIDINE ; Accelerator D ; DENAX ; DFG ; Diphenyl guanidine ; Diphenylguanidine ; DPG ; EKALAND DPG ; GUANIDINE, 1,3-DIPHENYL -;MELANILINE ; GUANIDINE, 1,3-DIPHENYL- GUANIDINE, N,N'-DIPHENYL- KUMAC D ; MELANILINE ; MIXLAND+ DPG ; N,N'-DIPHENYLGUANIDIN ; N,N'-Diphenylguanidine ; Nocceler D ; Rubator DPG ; SYM-DIPHENYLGUANIDINE ; USAF B-19
The brain stem is the bottom-most portion of the brain, connecting the cerebrum with the spinal cord. The midbrain, pons, medulla oblongata, and reticular formation are all part of the brain stem. The midbrain is the short portion of the brain stem between the pons and the cerebral hemispheres. The top of the midbrain is called the tectum (or tectal area). The third and fourth cranial nerves originate in the midbrain.
The brain can be divided into two major parts: the lower brain stem and the higher forebrain. The brain stem sits above the spinal cord and has many connections between them. The brain stem, the most primitive part of the brain, is made up of the medulla, pons, cerebellum, midbrain, hypothalamus and thalamus.The cerebral cortex, limbic system and basal ganglia make up the forebrain.he brain stem is made up of the midbrain, pons and medulla oblongata. It carries out many vital functions of the body for maintenance and survival such as breathing, heartbeat, and blood pressure. It also controls vomiting, coughing, sneezing and swallowing.