The human brain is composed of four anatomical structures. These are: The brainstem and the cerebellum and the diencephalon in addition to the cerebrum. The brainstem is in turn divided into three structures. These are: the pons and the medulla…
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The nephron is the functional unit of the kidney. It is the site where blood is filtered and urine is formed. There are approximately one million nephrons in each kidney in humans. The nephron is divided anatomically into several segments. …
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The gift of life organ and tissue donation is desperately needed, and with very few people willing to donate. Asking for the donor to disclose their medical history may cause an even bigger reduction in donation. On the flip side…
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In this article, the types and functions of cells in the nervous system are discussed. There are in the human nervous system two types of cells that have completely different functions in the body. These are: Neurons and neuroglia. Neurons are the…
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Glands are special cellular structures in the body which are characterized by their secretions in the body of compounds that have very specific role in the body. Glands can secrete their content on one of two possible manners. These are:…
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Epithelium is a medical concept that is usually learned by medical students in their second year of medical study as part of a course in medical histology. Histology refers to a medical science which specializes in the research and investigation…
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It’s one of those biological hierarchies we all learned in high school science class: Complex molecules aggregate to form cells; cells cooperate to form tissues; tissues organize to form organs; a group of organs comprises an organ system; and an…
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Due to its very complicated structure, the nervous system is involved in almost every function in the body. Examples of the enormous number of functions of the nervous system include the processing and storing of memory which is done in…
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Connective tissue is a concept of medical histology which is a science that deals with research and education of the body tissues in addition to its structure and function. This concept is usually taught to second year medical students within the…
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Bone fractures are extremely painful to the person enduring them. Not only do they reduce mobility until they have healed, they introduce the possibility of infection and may require surgery, further extending the healing time. There are different types of…
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