The most common blood typing is ABO Rh. What does Rh mean?

Thalassemia is an inherited blood disorder characterized by abnormal production of hemoglobin due to genetic mutations. Learn about thalassemia, alpha thalassemias, and beta thalassemias, and the causes and treatments.

Parathyroid glands are endocrine glands on the posterior surface of the thyroid gland. Parathyroid glands play a vital role in regulating the minerals calcium and phosphorous in the body. Learn about the structure of parathyroid glands, and the role these glands play in regulating calcium, phosphorus, osteoblasts and osteoclasts in the body.

Disseminated intravascular coagulation (DIC) is where blood clots are formed in places where there is no need for them. Study the definition and causes of DIC.

The liver can be an indicator of icterus, the technical term for jaundice, which is a yellowing of the skin and the whites of one's eyes. Learn about the major causes of jaundice, the differences between conjugated and unconjugated increases in bilirubin, and the importance urine and stool have in the diagnosis of hyperbilirubinemia.

Understand what the pentose phosphate pathway is. The primary purpose of the pentose phosphate pathway and the main functions of PPP will be discussed.

An arterial blood gas (ABG) test assesses the acid-base balance, or pH, in the bloodstream. Learn what arterial blood gas is and the importance of pH balance, how results are interpreted, and a trick for remembering how to read ABG test results.

Tumor markers are the clinical indicators found in fluid and tissue samples that indicate or specify the presence of cancer. Learn about three types: Prostate Specific Antigen (PSA), Alpha-fetopotein (AFT), and Carcinoembronic Antigen (CEA), and their uses in cancer diagnosing.

Learn about coagulation and blood clotting around a wound. Review the definition and steps of coagulation, as well as its importance in the healing process.

A CBC test for white blood cells, or a complete blood count test, is a medical test used to assess the number of white blood cells in the bloodstream. Learn how white blood cells defend your body, then discover how a CBC test can uncover illnesses such as leukopenia, leukocytosis, neutrophilia, neutropenia, and lymphocytosis; and then explore how the amount of change in leukocytes, whether an increase or decrease, can help diagnose an illness.

Explore what plasmids are in DNA. Learn the definition of a plasmid and see its different characteristics. Discover important plasmid functions and find their uses.

Examine the phenylketonuria (PKU) definition. Learn out about PKU symptoms and treatments, with examples. Understand how the inheritance of PKU works.

A Cesarean section (commonly known as a C-section) is a surgical procedure to deliver a baby through an incision in the mother's abdomen and uterus. Learn more about some of the reasons for C-sections, the types and steps of C-section deliveries, and the possible risks involved in each.

Blood types are determined by antigens found in red blood cells. Learn about the blood types, red blood cell antigens, agglutination, the ABO system, the blood groups, and the definitions of universal donor and universal recipient blood types.

Learn about inner ear anatomy. Discover the inner ear structure, the parts of the inner ear, and the inner ear function. Explore where the inner ear begins, the bony labyrinth of the inner ear, and how the inner ear controls hearing and balance.

What is the pancreas gland? Learn its function and anatomy with diagrams. Learn about insulin, the pancreas's hormone, its structure, and its function.

In vertebrates, hemoglobin is the protein that transports oxygen through the circulatory system. Explore hemoglobin's role, discover its structure, and learn how it releases oxygen to the body.