CORONARY ARTERIES

From: Ascending aorta To: Myocardium  Right coronary artery . Originates from the anterior (new nomenclature: right) aortic sinus. It passe...

Important presentation about Thalassemia (Microcytic Anemia)

Definition: hereditary underproduction of either the alpha or beta globin chains of the hemoglobin A  resulting in a  microcytic anemia. Bet...

REGULATION OF RESPIRATION

PONTO MEDULLARY RESPIRATORY CENTERS ALL ARE PAIRED & INTERCONNECTED RESPIRATORY CENTERS:- PNEUMOTAXIC CENTER: Location: Upper Pons Absen...

Lymph Vessels and Nodes of Lung

Lymphatic System (in brief ): Major structures lymph vessels lymph nodes lymph fluid tonsils Also: spleen thymus Functions of the Lymph Syst...

Menstrual Cycle

The Physiological Phenomenon for which the Human Race Exists as it does Today Menstrual cycle The physiological phenomenon in which the unus...

Heart muscles,as a pump and functions of valves

4 chambers: Right and left atria Right and left ventricles 4 valves: Biscuspid valve between lft atrium and lft ventricles Trcuspid valve be...

Rhythmical Excitation of Heart

Excitatory & conductive system of heart -sinoatrial /SA node, where impulse is generated -internodal pathways conducts impulses to Atrio...

Electrocardiogram

When impulses passes through heart then electrical current also spreads to the surrounding tissues and to surface of body. When electrodes a...