The meaning of BRAIN is the portion of the vertebrate central nervous system enclosed in the skull and continuous with the spinal cord through the foramen magnum that is composed of neurons and supporting and nutritive structures (such as glia) and that integrates sensory information from inside and outside the body in controlling autonomic ...

2025年1月21日 · Brain, the mass of nerve tissue in the anterior end of an organism. The brain integrates sensory information and directs motor responses; in higher vertebrates it is also the center of learning. Learn more about the parts and functions of the brain in this article.

The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head (cephalization), usually near organs for special senses such as vision, hearing and olfaction.

BRAIN definition: 1. the organ inside the head that controls thought, memory, feelings, and activity: 2. used to…. Learn more.

Doctors tried desperately to reduce the swelling in her brain. brain damage The accident left him with permanent brain damage. brain tumor His wife died from a brain tumor. Marie has an …

BRAIN meaning: 1 : the organ of the body in the head that controls functions, movements, sensations, and thoughts often used before another noun; 2 : the ability to think and reason intelligence often plural

The portion of the vertebrate central nervous system that is enclosed within the cranium, continuous with the spinal cord, and composed of gray matter and white matter.

Definition of brain noun from the Oxford Advanced Learner's Dictionary. [countable] the organ inside the head that controls movement, thought, memory and feeling. The human brain is a complex organ. My tired brain couldn't cope with such a complex problem. She was found to have sustained a brain injury.

Your brain is the organ inside your head that controls your body's activities and enables you to think and to feel things such as heat and pain. Her father died of a brain tumour. Your brain is your mind and the way that you think. Once you stop using your brain you soon go stale. Stretch your brain with this puzzle.

The brain is a mass of soft, spongy, pinkish gray nerve tissue that weighs about 1.2 kg in a human being. It is connected at its base with the spinal cord, which is also part of the central nervous system. Called also encephalon. (See also color plates.) The brain is made up of billions of nerve cells, intricately connected with each other.