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Immunity and Immune System

IMMUNITY Immunity is the capability of our body to defend against the microorganisms including bacteria, viruses, fungi, and parasites. IMMUNE SYSTEM All cells, chemicals, and tissues acting together to offer immunity make up the immune system. Examples of the cells...

Introduction to Immunology (Part 1)

Accompanying video lecture on Drbeen.com: https://members.drbeen.com/view/overview-innate-and-acquired-arm-1/rkhSjfCd2lW  Our immune system is a major organ system in our body that helps defend against the microorganisms trying to invade us. A majority of the patients...

Pharyngeal Arch Arteries

The aorta arises from the left ventricle as its outflow tract. Aorta forms an arch before  descending downwards as the thoracic/descending aorta. This arch of aorta gives rise to three arteries; from right to left these arteries are the brachiocephalic trunk, left...
CONFUSION FOR A MEDICAL STUDENT

CONFUSION FOR A MEDICAL STUDENT

Confusion are always a part of medical student’s life. We are confused starting from the first day of medical school till the end of our degree and thereafter too. Confusion are more for a medical students during the time of examination and most, at the examination...

Morphology & Anatomy of Frog (at a glance)

Morphology ovoid, slightly flattened body, generally 10-15 cm long, bilateral symmetry. skin is naked, smooth, moist and slippery (due to mucus secreted by the cutaneous glands present in skin). dorsal surface of skin is generally olive green and pigmented while...
EKG – difference between MAT and PAT

EKG – difference between MAT and PAT

MAT stands for multifocal atrial tachycardia. PAT stands for Paroxysmal atrial tachycardia. A student going through drbeen’s EKG interpretation lectuers asked us the difference between MAT (multifocal atrial tachycardia) and PAT (paroxysmal atrial tachycardia)....
LIVER CIRRHOSIS – PART I

LIVER CIRRHOSIS – PART I

Insult to liver on long run can cause fibrosis of the liver and formation of nodules ,which is termed as liver cirrhosis. Liver cirrhosis is a chronic condition of the liver in which there is fibrosis and formation of nodules. The normal architecture of the liver gets...
How Many Calories Should I Eat Daily?

How Many Calories Should I Eat Daily?

Calorie counting is one of the best ways to lose weight, reduce the risk of heart disease, reduce the risk of stroke, control hypertension, and control diabetes mellitus. But, how many calories should you eat? Quick answer: number of calories needed for you are...
Diabetes Mellitus and Glucose Peak

Diabetes Mellitus and Glucose Peak

Note: this article focuses on type 2 diabetes mellitus. Diabetes is a disease where glucose is unable to enter cells and help create energy packets called ATP. Think of ATP as tiny batteries used by the little machines working in our cells for various functions. In...