What Is the Hippocampus?
The hippocampus is a seahorse-shaped structure in your brain that is involved in memory and learning. Learn more about the hippocampus. The...
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The Anatomy of Salivary Glands
The salivary glands make saliva in your mouth. Learn more about their anatomy, location, and function. Glands are organs that make and release...
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The Anatomy of the Lacrimal Gland
The lacrimal gland is a small gland located in the upper corner of each eye. It's involved in tear production, which is essential for eye health....
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The Anatomy of the Spleen
The spleen sits in the upper left abdomen beneath the diaphragm to the side if the stomach. Part of the lymphatic system, it’s crucial for immune...
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The Anatomy of the Thymus
The thymus, located in the chest, is a lymphatic system organ that produces immune system cells that destroy pathogens in the body. The thymus is a...
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The Anatomy of the Choroid Plexus
The choroid plexus is a complex tissue within the ventricles of the brain that secretes cerebrospinal fluid. Reviewed by a board-certified physician....
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The Anatomy of the Lens
The lens is the part of the eye that bends light and helps focus images. Aging and cataracts can affect it. Reviewed by a board-certified physician....
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Anatomy of the Choroid Plexus
The choroid plexus is a protective barrier that lines the brain's ventricles and produces cerebrospinal fluid. Reviewed by a board-certified...
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The Anatomy of the Skin
The skin is the largest organ of the body. Its main functions are protection, heat regulation, and sensation. Learn more about the skin's three...
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The Anatomy of the Tongue
The tongue is a muscular organ in the mouth important to eating, taste, and speech. Learn about its anatomy, function, and related medical disorders....
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The Anatomy of the Gallbladder
The gallbladder stores and releases bile for digestion. It is located between the liver and the duodenum and connected to them by the biliary tract....
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The Anatomy of the Carpal Tunnel
The carpal tunnel in your wrist and hand protects the median nerve and several tendons. Repetitive strain leads to carpal tunnel syndrome. The carpal...
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The Anatomy of the Kidneys
The kidneys filter waste and fluids from the body, clean your blood, and produce urine while maintaining fluid and salt balance in your body. The...
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The Anatomy of the Thyroid Gland
The thyroid hormone is responsible for regulating your metabolism and energy by releasing hormones into the bloodstream. The thyroid gland is part of...
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The Anatomy of the Ear
Essential to human hearing and balance, the ears are located on either side of the head. Ears have three parts: an outer, middle, and inner ear....
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The Anatomy of the Retina
The retina is a nerve-filled tissue layer that lines the inner back wall of the eyeball. It allows you to perceive light, color, and fine details....
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The Anatomy of the Diaphragm
The diaphragm is a thin muscle that plays an essential role in breathing function. It sits at the base of the chest, separating it from the abdomen....
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The Anatomy of the Vulva
The vulva is the external part of the female genitalia. It serves a protective function for both the reproductive and urinary systems. The external...
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The Anatomy of the Pancreas
The pancreas is an essential organ that produces insulin and enzymes to help digest food. It sits in the upper abdomen adjacent to the spleen....
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The Anatomy of the Larynx
Also known as the voice box, the larynx sits on top of the neck and plays an essential role in breathing and vocalizing. It houses the vocal cords....
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The Anatomy of the Vas Deferens
The vas deferens are part of the spermatic cord, carrying sperm from the epididymis to the urethra during ejaculation. Reviewed by a board-certified...
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The Anatomy of the Iris
Located between the cornea and lens, the iris is the pigmented, muscular curtain of the eye. It regulates the amount of light that gets into the eye....
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The Anatomy of the Parotid Gland
The parotid glands, located just in front of the ears, are the largest of the three major salivary glands. Reviewed by a board-certified physician....
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The Anatomy of the Cochlea
The cochlea is a spiral-shaped hollow bone located in the inner ear that plays an important role in hearing. Reviewed by a board-certified physician....
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The Anatomy of the Bladder
As urine is made, it is stored in the hollow, elastic bladder in the lower pelvis until released. Reviewed by a board-certified physician. The...
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The Anatomy of Bone Marrow
Bone marrow is a spongy organ in the center of bones where stem cells produce several types of blood cells. Reviewed by a board-certified physician....
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Anatomy of the Middle Ear
The middle ear extends from the eardrum to the inner ear and contains several structures that are crucial to the function of hearing. The human ear...
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