The epidermis is the outermost of the three layers forming the skin, and the inner layers are the proper and subcutaneous skin. The epidermal layer is a barrier to infection with environmental pathogens and regulates the amount of water released from the body into the atmosphere through transepidermal water loss. The epidermis consists of multiple […]
Each parent should know about bone marrow and the immune system, preparing for a child’s blood transplant and bone marrow transplant (BMT). main points Bone marrow is soft tissue inside the bone that produces blood cells. The bone marrow produces red blood cells, platelets, and white blood cells. Lymphocytes are made in the bone marrow […]
The cytoplasmic cells are material in a living cell, excluding the cell nucleus. It contains cytosol (a gel-like substance encapsulated in the cell membrane) and organelles – internal cell substructures. The entire content of the cells, prokaryotic organisms (such as bacteria lacking the nucleus) is contained in the cytoplasm. In cells of eukaryotic organisms, […]
Muscles play a role in every function of the body. The muscular system consists of over 600 muscles. These include three types of muscles: smooth, skeletal and cardiac. Only skeletal muscles are voluntary, which means that you can control them consciously. Smooth and heart muscles act involuntarily. Each type of muscle in the […]
There is no difference in the incidence and prevalence of schizophrenia between men and women, although schizophrenia is more strongly associated with younger men. This may be due to the fact that women more often than men experience the beginning of schizophrenia. Schizophrenia symptoms in females, while the onset of males usually occurs in […]
Drinking lots of fluids is a vital part of eliminating kidney stones and preventing the formation of new stones. The liquid not only removes toxins but also helps move stones and sand through the urinary tract. The Water alone may be sufficient to do the trick, adding certain ingredients can be beneficial. Be sure […]
The thrombosed hemorrhoid is usually external hemorrhoids that have no blood flow due to a blood clot in the vein. A thrombosed hemorrhoid is not considered dangerous but can be quite painful. In most cases, the blood clot is eventually absorbed by the body, and the symptoms subside themselves. The thrombosed hemorrhoid can occur as […]
The patella, also known as the kneecap, is a thick, round, triangular bone that connects to the femur and covers and protects the anterior joint surface of the knee joint. Patella can be found in many quadrupeds, such as mice, cats, and birds, but not in whales or most reptiles. In humans, the kneecap […]
Human hands are complicated and delicate structures that contain 27 bones. The muscles and joints in the hand allow for strong, precise and agile movements, but are susceptible to injuries. There are many different causes and types of pain in the palm of the hand near the thumb. Hand pain can come from different […]
The sesamoid bone is a bone embedded in the tendon or muscle. Derived from the Latin word sesamum (“sesame seed”), due to the small size of most of the sesame. Often, these bones arise in response to tension or may be present as a normal variant. The cap is the largest sesamoid bone in the […]
Schizophrenia is a chronic psychiatric disorder. People with this disorder experience distortion of reality, often experiencing illusions or hallucinations. Although accurate estimates are difficult to obtain, it is estimated that it affects about 1% of the population. Misunderstandings about this disorder are common. For example, some people think that it creates a “split personality”.Read […]
The bones of the carpal are eight small bones that form the wrist and that joins the hand with the forearm. In human anatomy, the main role of the carpal bone is to facilitate effective hand positioning. In the tetrapods, the carpal is the only cluster of bones in the wrist between the radius […]
paronychia is an infection of the skin around nails. Bacteria or a type of yeast called Candida usually cause this infection. Bacteria and yeasts can even combine into one infection. Depending on the cause of the infection, anemia may appear slowly and persist for weeks or appear suddenly and last for only one or two […]
The smooth endoplasmic or smooth ER reticulum is an organelle that occurs both in animal cells and in plant cells. The organelle is a subunit in a cell that has a specialized function. The main function of a smooth ER is the production of cellular products such as hormones and lipids. It also distributes these […]
The nervous system is part of the human body that coordinates its actions. It transmitting signals to different parts of the body. The nervous system detects environmental changes. These changes affect the body and then works with the endocrine system to respond to such events. Nervous tissue first developed in worm organisms around 550 […]
