Definition of brain

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Brain (n.) The organ or seat of intellect; hence, the understanding..

Lern More About Brain

Skull :: Skull (n.) The head or brain; the seat of intelligence; mind.
Phrenology :: Phrenology (n.) The science of the special functions of the several parts of the brain, or of the supposed connection between the various faculties of the mind and particular organs in the brain..
Infundibulum :: Infundibulum (n.) A funnel-shaped or dilated organ or part; as, the infundibulum of the brain, a hollow, conical process, connecting the floor of the third ventricle with the pituitary body; the infundibula of the lungs, the enlarged terminations of the bronchial tubes..
Terma :: Terma (n.) The terminal lamina, or thin ventral part, of the anterior wall of the third ventricle of the brain..
Hippocampus :: Hippocampus (n.) A name applied to either of two ridges of white matter in each lateral ventricle of the brain. The larger is called hippocampus major or simply hippocampus. The smaller, hippocampus minor, is called also ergot and calcar..
Medicommissure :: Medicommissure (n.) A large transverse commissure in the third ventricle of the brain; the middle or soft commissure.
Taenia :: Taenia (n.) A band; a structural line; -- applied to several bands and lines of nervous matter in the brain.
Megrim :: Megrim (n.) A sudden vertigo in a horse, succeeded sometimes by unconsciousness, produced by an excess of blood in the brain; a mild form of apoplexy..
Funiculus :: Funiculus (n.) A cord, baud, or bundle of fibers; esp., one of the small bundles of fibers, of which large nerves are made up; applied also to different bands of white matter in the brain and spinal cord..
Optocoelia :: Optocoelia (n.) The cavity of one of the optic lobes of the brain in many animals.
Brain :: Brain (n.) The anterior or cephalic ganglion in insects and other invertebrates.
Brain :: Brain (n.) The whitish mass of soft matter (the center of the nervous system, and the seat of consciousness and volition) which is inclosed in the cartilaginous or bony cranium of vertebrate animals. It is simply the anterior termination of the spinal cord, and is developed from three embryonic vesicles, whose cavities are connected with the central canal of the cord; the cavities of the vesicles become the central cavities, or ventricles, and the walls thicken unequally and become the three seg
Crack :: Crack (n.) A crazy or crack-brained person.
Shatter-brained :: Shatter-brained (a.) Alt. of Shatter-pate.
Cerebellum :: Cerebellum (n.) The large lobe of the hind brain in front of and above the medulla; the little brain. It controls combined muscular action. See Brain.
Brainpan :: Brainpan (n.) The bones which inclose the brain; the skull; the cranium.
Psalterium :: Psalterium (n.) The lyra of the brain.
Forehead :: Forehead (n.) The front of that part of the head which incloses the brain; that part of the face above the eyes; the brow.
Concussion :: Concussion (n.) A condition of lowered functional activity, without visible structural change, produced in an organ by a shock, as by fall or blow; as, a concussion of the brain..
Brainless :: Brainless (a.) Without understanding; silly; thoughtless; witless.
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