Chronic lymphocytic leukemia (CLL) is one of many types of chronic blood cancers that affects a specific type of white cells called "lymphocytes." Lymphocytes perform many immune functions in the body and help fight infection and spread of tumor...
Leukemia is a word derived from leukocytes – which means white blood cells. So leukemia is the cancer of white blood cells. White blood cells are further divided into neutrophils, lymphocytes, eosinophils, basophils, and monocytes. Similarly, leukemia is also...
Infectious mononucleosis is also known by the popular name kissing disease, or mono. It is a contagious disease caused by the Epstein-Barr virus (EBV). It is an acute, self-limiting. EBV is one of the most common viruses worldwide. Infectious...
Prostate glands and seminal vesicles are the parts of the male reproductive system and lie in the pelvis. Prostate cancer is the type of cancer in which there is the development of cancerous cells in the prostate gland –...
SignsThe mouth is also known as the oral cavity, and it is divided into two parts by the upper and lower dental arches. The lining of the oral cavity is made up of nonkeratinized stratified squamous epithelium, which is...
leukemia is a cancer of blood cells and bone marrow, a malignancy that causes specific blood cells to be formed abnormally. The normal functioning of blood cells tends to falter when abnormal blood cells crowd out healthy ones. Abnormal...
What is mesothelial tissue?  The mesothelium is a sac made up of protective mesothelial cells that cover most internal organs in the body. This protective covering is composed of two layers; one layer of outer cells that covers the...
The esophagus is a fibromuscular tube and forms part of the upper gastrointestinal tract. It extends from the lower border of the pharynx to the cardias, or the upper portion of the stomach. The wall of esophagus has four...
Gastritis is the clinical name of the inflammation of the gastric inner lining or mucosa. It produces symptoms of burning and discomfort, but they are not enough to make the diagnosis. Instead, the diagnosis should be histological to evaluate...
Lymphomas are solid cohesive masses of the immune system, originated from the lymphoid tissue. They come from immature precursor of lymph cells called lymphoblasts, but sometimes may also come from more mature lymphocytes. Lymphocytes are white blood cells, roughly...
Melanoma is a misnomer used to describe a malignant tumor of the melanocytes, the cells that give color to the skin. It is also known as malignant melanoma. For benign lesions of the melanocytes, we can use the term...
Oral cancer causes a significant impairment of the quality of life due to significant disfigurement of the face, difficulty in eating, and speaking. There are many predisposing factors, including smoking, alcohol abuse, tobacco chewing, syphilis, dietary deficiencies of riboflavin,...