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| electroshock |
a treatment for mentally ill persons in which an electric current is passed through the brain; electroshock therapy. |
| electroshock therapy |
in psychiatry, a form of therapy in which electrical currents are passed through the brain. |
| encephalitis |
inflammation of the brain, caused by any of several infectious diseases. |
| encephalo- |
brain. |
| encephalogram |
an x-ray photograph of the spaces of the brain normally filled with cerebrospinal fluid, partially replaced for the procedure by air or dye. |
| encephalon |
the brain. |
| encephalopathy |
a disease of the brain, esp. a chronic degenerative disease. |
| endorphin |
one of several peptides secreted in the brain that have a tranquilizing, euphoric, or pain-relieving effect on the body. |
| forebrain |
the anterior of the three divisions of the brain of a vertebrate embryo; prosencephalon. [2 definitions] |
| frontal lobe |
the part of the brain that is covered by the frontal bone. |
| ganglion |
any concentrated mass of nerve cells outside the brain or spine, serving as the source of nerve impulses. [1/2 definitions] |
| glue sniffing |
the potentially brain-damaging act or practice of inhaling the fumes of certain types of glue, such as model airplane glue, and thereby becoming intoxicated, giddy, or the like. |
| gray matter |
the grayish nerve tissue of the brain and spinal cord, consisting largely of nerve cells and fibers. (Cf. white matter.) [1/2 definitions] |
| gyrus |
a winding and twisted ridge, esp. on the surface of the brain. |
| head |
the top part of a human or animal body which contains the brain and has eyes, ears, a nose, and a mouth. [1/7 definitions] |
| hindbrain |
the rearmost portion of the brain, composed of the cerebellum, pons, and medulla oblongata. |
| hippocampus |
one of two ridges of nerve matter that extend along the lateral ventricles of the brain from the olfactory lobe to the rear of the cerebrum. |
| Homo erectus |
an extinct species of the human race that had a fairly small brain and an upright stance. (See Pithecanthropus.) |
| hydrocephalus |
a condition, esp. in children, in which an abnormal amount of serum accumulates in the brain's ventricles, causing the skull to enlarge and the brain to compress. |
| hypothalamus |
the part of the brain below the thalamus in the ventral region of the diencephalon, important in the regulation of the autonomic nervous system and body temperature. |
| L-dopa |
a synthetic substance that converts to dopamine in the brain, used in the treatment of Parkinson's disease. |
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