07/24/2026
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Human Brain Anatomy: An Incredible Journey Through the Body's Master Control Center
The human brain is the most sophisticated organ in the body, weighing approximately 1.3β1.4 kg while containing nearly 86 billion neurons connected through trillions of synapses. Every heartbeat, breath, thought, memory, emotion, sensation, and voluntary movement is coordinated by this remarkable organ.
This illustration provides a comprehensive overview of the brain's protective layers and major anatomical structures. From the scalp and cranial bones that shield the brain externally to the meninges the dura mater, arachnoid mater, and pia mater which provide protection, support, and house the cerebrospinal fluid (CSF), each layer plays a critical role in maintaining normal brain function.
The cerebral cortex, characterized by its gyri and sulci, is responsible for higher cognitive functions including reasoning, language, learning, memory, sensory perception, and voluntary motor control. Deep within the cerebral hemispheres lie the basal ganglia, essential for regulating movement, the thalamus, which acts as the brain's primary sensory relay station, and the hypothalamus, the center for maintaining homeostasis by regulating body temperature, hunger, thirst, sleep, and endocrine functions through its connection with the pituitary gland.
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[Human brain anatomy, neuroanatomy, brain structures, cerebral cortex, meninges, thalamus, hypothalamus, basal ganglia, hippocampus, amygdala, cerebellum, brainstem, spinal cord, cerebrospinal fluid, neuroscience, medical education, MBBS anatomy, NEET PG, INI-CET, anatomy revision,]