Cancer Biology and Cancer Medicine Lecture
Nobel laureate Harold Varmus discusses the intersection of cancer biology and cancer medicine. Varmus, president of Memorial Sloan-Kettering Cancer Center in...
Menstrual Cycle
Menstrual cycle is a recurring cycle of physiologic changes that occurs in reproductive-age females. Overt menstruation (where there is blood-flow from...
Potassium channel
Potassium channels are the most widely distributed type of ion channel and are found in virtually all living organisms. They form...
TATA-Binding Protein DNA Complex
TATA binding protein (TBP) is a transcription factor that binds specifically to a DNA sequence called the TATA box. This DNA...
Sinusitis Pathology
Sinusitis, acute or chronic inflammation of the mucosal lining of one or more paranasal sinuses (the cavities in the bones that...
Prions Animation
A prion combination of the first two syllables of the words proteinaceous and infectious It is a poorly-understood hypothetical infectious agent...
Osteoclast
An osteoclast (from the Greek words for "bone" and "broken") is a type of bone cell that removes bone tissue by...
Programmed Cell Death
Programmed cell-death (PCD) is death of a cell in any form, mediated by an intracellular program. In contrast to necrosis, which...
RAS Pathway
Information entering the brain along the sensory nerve pathway passes to the sensory cortex. However, nerve branches from the pathway first...
Evolutionary significance of Human Chromosome 2
All apes apart from man have 24 pairs of chromosomes. There is therefore a hypothesis that the common ancestor of all...
LASIK Eye Surgery animation
LASIK (laser-assisted in situ keratomileusis) is a type of refractive laser eye surgery performed by ophthalmologists for correcting myopia, hyperopia, and...
Understanding Cholesterol
Cholesterol is a lipid found in the cell membranes of all animal tissues, and it is transported in the blood plasma...
Carbohydrates Chemical Structure and Reactivity
Carbohydrate Carbohydrates (from 'hydrates of carbon') or saccharides the most abundant of the four major classes of biomolecules, which also include...
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