Brain disorders can affect anyone. The brain is the organ located within the skull that is responsible for cognition, mental processes, and control of the body and its functions. Secondary brain tumors cancers are cancers that have spread to the brain tissue (metastasized) from elsewhere in the body. (1.5 kilograms). The human brain consists of three main parts. The brain is typically located inside the head, within a protective covering such as an exoskeleton or skull.. 1 people chose this as the best definition of brain: The control center, as of... See the dictionary meaning, pronunciation, and sentence examples. Stroke (brain infarction): Blood flow and oxygen are suddenly interrupted to an area of brain tissue, which then dies. The human brain is the largest brain of all vertebrates relative to body size. It weighs about 3.3 lbs. 1 An organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating centre of sensation and intellectual and nervous activity.. Lifestyle has a profound impact on your brain health. brain [brān] that part of the central nervous system contained within the cranium, comprising the forebrain (prosencephalon), midbrain (mesencephalon), and hindbrain (rhombencephalon); it develops from the embryonic neural tube. Primary brain tumors cancer initially forms in the brain tissue. Brain Definition. Pillars of Brain Health. brain meaning: 1. the organ inside the head that controls thought, memory, feelings, and activity: 2. used to…. The average male has a brain volume of 1,274 cubic centimeters. Tumors in the brain can be malignant or benign, and can occur at any age. To strike a person in, on or upside the head deliberately and violently oftentimes with a blunt object. Psychology Definition of BRAIN: n. in humans, refers to the anterior part of the central nervous system which is enlarged in size and encased in the cranium. Learn more. Traumatic brain injury is most common in children under 4 … Risk factors are different for different types of brain disorders. The brain is an organ that coordinates nervous system function in vertebrate and most invertebrate animals. What you eat and drink, how much you exercise, how well you sleep, the way you socialize, and how you manage stress are all critically important to your brain health. The brain is a mass of soft, spongy, pinkish gray nerve tissue that weighs about 1.2 kg in a human being. It is the location of perception, ideas, thoughts, conscious movement, and unconscious body functions like heart rate and digestion. A blood clot, or bleeding in the brain, are the cause of most strokes. Brain cancer: Cancer of the central information processing center of the body. Brain. 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