علمنا مؤخرًا أن السرطان يحدث فقط في تلك الخلايا التي تخضع لانقسام الخلايا ، لذا فإن السرطان غير ممكن في خلايا القلب والخلايا العصبية. لكننا نعلم أنه حتى سن معينة ...
Leukemia is an uncontrolled proliferation of one kind of white blood cell (or leukocyte). Like all cancers (probably), all the leukemic cells are descended from a single cell that lost the ability to maintain normal control over the cell cycle. There are a number of types of leukemia, as you would expect from the number of types of white blood cells (5) and the number of stages they pass through as they mature.
This picture is my drawing about germ layer - not embryonic folding as I wrote initially. Where exactly is the endoderm here in the picture? The known things Ectoderm Neural tube Notochord Endo…
I am looking for a study that i read maybe 2-3 years ago that i cant find at the moment. Scientist has always believed that humans only have one unique DNA code that makes us who we are, but a co…
I saw this youtube video on ECG readings and cardiac dipole vector locus of the heart across the three leads. Posting screenshots from it: My question is how to obtain the graph (2nd image) from t…
The news has reported that a new serological test for the presence of anti-SARS-CoV-2 antibodies has received an emergency use authorization from the FDA, and notably has a higher specificity than…
