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Overview of Brainstem Anatomy The brainstem is a small yet vital part of the brain. It is located at its base and connects the cerebrum (the largest part of the brain) to the spinal cord.[1] The brainstem anatomy consists of three main structures: the midbrain, the pons, and the medulla oblongata.[1] The brainstem anatomy consists … Read more

Overview of Midbrain Anatomy The midbrain, also known as the mesencephalon, is the topmost part of the brainstem.[1][2] It serves as a bridge between the cerebrum and diencephalon above and the pons below.[1] Despite of being 1.5-2 cm, it plays a vital role in several important functions, including vision, hearing, body movement, alertness, sleep cycles, … Read more

Overview of Cerebrum Anatomy The cerebrum, also known as the telencephalon or forebrain, is the largest and most superior part of the human brain.[1] It plays a central role in voluntary movement, thinking, learning, emotions, and memory.[1] Structurally, cerebrum anatomy is divided into two C-shaped hemispheres—left and right—separated by a deep groove called the longitudinal … Read more

Overview of Cerebellum Anatomy The cerebellum is located at the back of your head, just beneath the larger cerebral hemispheres.[1] It is protected above by a tough membrane called the tentorium cerebelli.[1] While the cerebellum doesn’t start muscle movements, it plays a key role in refining them. It helps you walk smoothly, stay balanced, and … Read more

Overview of Basal Ganglia Anatomy The basal ganglia, also known as the basal nuclei, are a group of deep brain structures located in the lower part of the forebrain, near the midbrain.[1][4] These structures are present in all vertebrates and play an important role in how the brain controls movement and behavior.[1][3] In humans, the … Read more

Overview of Lobes of the Brain The brain, along with the spinal cord, forms the central nervous system (CNS), which controls most body activities.[1] It is the most intricate organ, made up of many parts that work together to manage everything from basic survival functions to complex thinking.[1] The brain has three main sections: the … Read more

Overview of Nose Anatomy The nose is the primary gateway to the respiratory system.[1][2] It plays a vital role in the sense of smell, making it a key component of the olfactory system.[1] Its structural framework is shaped by the nasal bones and cartilage, including the nasal septum, which separates the nostrils and divides the … Read more

Overview of Human Spine Anatomy The human spine plays one of the most vital roles in the human body. It supports posture, enables movement, and protects the spinal cord.[1] It also forms the main communication pathway between the brain and the rest of the body, helping the brain control movement, sensation, reflexes, and vital body … Read more

Overview of Stomach Anatomy The stomach is a hollow, muscular organ located in the upper part of the digestive system, between the esophagus and the small intestine. It plays a critical role in breaking down food.[1][2] It uses gastric acid and digestive enzymes to process food after it has been chewed and swallowed.[2][6] This process … Read more

Overview of Human Heart Anatomy The heart is a vital muscular organ in most animals that powers the circulation of blood through the body.[1] In heart anatomy, blood vessels help form the circulatory system, which delivers oxygen and nutrients to tissues and removes waste like carbon dioxide.[1] This waste is carried to the lungs for … Read more