Mammary glands are unique to mammals, with the specific function of synthesizing, secreting, and delivering milk to the newborn.
Clinically, cancer is defined as a large number (up to a hundred) of complex diseases that behave differently depending on the cell types from which they originate.
Cancer has been known since human societies first recorded their activities. It was well known to the ancient Egyptians and to succeeding civilizations but, as most cancers develops in the latter decades of life, until the expectation of life began to increase from the middle of the nineteenth century onwards, the number of people surviving to this age was relatively small.
Professor, Alexandria University, Egypt
Dr. Ahmed El-Sharkawy completed his Ph.D. in Molecular Oncology at the age of 27 years from Alexandria University. He is an adjunct Research Scientist, Molecular therapeutics laboratory, and City of Research and Technology applications and currently an professor of Biochemistry and Molecular Biology in Alexandria University; I have published more than 15 papers in reputed journals and serving as an editorial board member of Journal of Genetic Syndromes and Gene Therapy, African Journal of Biochemistry Research and Biotechnology and Molecular Biology Reviews.