Human anatomy, body structures, organs, systems, regional anatomy, and related educational articles.
The female reproductive system is made up of the internal and external sex organs that function in the reproduction of new offspring. In humans, the female reproductive system is immature at...
Read articleThe Kidneys are bean-shaped organs, with medial concavity and lateral convexity, weighing anywhere from 150 to 200 g in males and about 120 to 135 g...
Read article12 Cranial nerves are the nerves that emerge directly from the brain (including the brainstem), of which there are conventionally considered twelve pairs. Cranial nerves relay information between the brain and parts...
Read articleAbdomen Anatomy/The definition of the human abdomen is the anterior region of the trunk between the thoracic diaphragm superiorly and the pelvic brim inferiorly. Understanding the...
Read articleAbductor hallucis is a fusiform muscle located superficially and medially in the foot. Following the classification of plantar foot muscles from superficial to deep, abductor hallucis comprises the first...
Read articleAbductor Hallucis Muscle is a fusiform muscle located superficially and medially in the foot. Following the classification of plantar foot muscles from superficial to deep, abductor...
Read articleAbductor Pollicis Longus (APL) is the tendon of the first extensor compartment of the wrist. It helps in movement and stabilization of the thumb. Multiple tendinous...
Read articleAbductor Pollicis Longus (APL) is the tendon of the first extensor compartment of the wrist. It helps in movement and stabilization of thumb. Multiple tendinous insertion...
Read articleAbductor Pollicis Longus Muscle (APL) is the tendon of the first extensor compartment of the wrist. It helps in movement and stabilization of thumb. Multiple tendinous...
Read articleAbductor Pollicis Longus Muscle (APL) is the tendon of the first extensor compartment of the wrist. It helps in movement and stabilization of the thumb. Multiple...
Read articleAdrenal glands also known as suprarenal glands are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol.They are found above the kidneys. Each gland has an outer cortex which produces steroid hormones and an...
Read articleThe alimentary canal is a muscular hollow continuous tubular organ that starts at the mouth and terminates at the anus and is responsible for the digestion and absorption...
Read articleThe small intestine is a crucial component of the digestive system that allows for the breakdown and absorption of important nutrients that permit the body to...
Read articleThe pancreas is a soft, finely lobulated gland located behind the peritoneum on the posterior abdominal wall and has both endocrine and exocrine functions. It plays...
Read articleThe liver is a critical organ in the human body that is responsible for an array of functions that help support metabolism, immunity, digestion, detoxification, vitamin...
Read articleLayers of Alimentary Canal /The alimentary canal is a muscular hollow continuous tubular organ that starts at the mouth and terminates at the anus and is responsible...
Read articleThe alimentary canal is a muscular hollow continuous tubular organ that starts at the mouth and terminates at the anus and is responsible for the digestion and absorption...
Read articleThe retroperitoneum is an anatomical space located behind the abdominal or peritoneal cavity. Abdominal organs that are not suspended by the mesentery and lie between the...
Read articleThe peritoneum is the serous membrane that lines the abdominal cavity. It is composed of mesothelial cells that are supported by a thin layer of fibrous tissue and is...
Read articleThe small intestine is a crucial component of the digestive system that allows for the breakdown and absorption of important nutrients that permit the body to...
Read articleThe digestive system comprises the gastrointestinal tract and accessory organs. The gastrointestinal tract consists of the oral cavity, pharynx, esophagus, stomach, small intestine, and large intestine....
Read articleBreathing control its main function is to send signals to the muscles that control respiration to cause breathing to occur. The ventral respiratory group stimulates expiratory movements. The dorsal respiratory group...
Read articleRespiratory control its main function is to send signals to the muscles that control respiration to cause breathing to occur. The ventral respiratory group stimulates expiratory movements. The dorsal respiratory group...
Read articleThe respiratory Conducting Zone of the respiratory tract is the subdivision of the respiratory system involved with the process of respiration in mammals. Conducting zone consists...
Read articleConducting Zone of the respiratory tract is the subdivision of the respiratory system involved with the process of respiration in mammals. The respiratory tract is lined with respiratory mucosa or respiratory epithelium.[rx] Air...
Read articleThe respiratory system is composed primarily of the nose, oropharynx, larynx, trachea, bronchi, bronchioles, and lungs. The lungs further divide into individual lobes, which ultimately subdivide...
Read articleThe humoral immune response is mediated by antibody molecules that are secreted by plasma cells. An antigen that binds to the B-cell antigen receptor signals B...
Read articleThe lymphatic system is a network of tissues, vessels and organs that work together to move a colorless, watery fluid called lymph back into your circulatory system (your bloodstream). Some 20 liters...
Read articleSystemic blood pressure refers to the pressure exerted on blood vessels in the systemic circulation and is often measured using arterial pressure, or pressure exerted upon arteries during heart contractions systemic arterial pressure,...
Read articleA venule is a small blood vessel in the microcirculation that allows deoxygenated blood to return from capillary beds to larger blood vessels called veins. Venules range from 8 to...
Read articleThe venous system refers to the network of veins that work to deliver deoxygenated blood back to your heart. Veins are a type of blood vessel...
Read articleArtery /Arteries make up a major part of the circulatory system, with the veins and heart being the other main components. Arteries make up tubelike structures...
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