The pulmonary veins are large blood vessels that receive oxygenated blood from the lungs and drain into the left atrium of the heart. There are four pulmonary veins two from […]
List of articles in "Anatomical Structure" category - Page 392
Pyramidal tracts
The pyramidal tracts refer to both the corticospinal and corticobulbar tracts of the nervous system.The corticospinal tract conducts impulses from the brain to the spinal cord. It contains mostly axons […]
Bundle of His
The bundle of His is a collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node (located between the atria and the […]
Atrioventricular node
The atrioventricular node (abbreviated AV node) is a part of the electrical control system of the heart that coordinates the top of the heart. It electrically connects atrial and ventricular […]
Sinoatrial node
The sinoatrial node (also commonly spelled sinuatrial node abbreviated SA node or SAN also called the sinus node) is the impulse-generating (pacemaker) tissue located in the right atrium of the […]
Systemic circulation
Systemic circulation is the part of the cardiovascular system which carries oxygenated blood away from the heart to the body and returns deoxygenated blood back to the heart. This physiologic […]
Human female reproductive system
The human female reproductive system (or female genital system) contains two main parts: the uterus which hosts the developing fetus produces vaginal and uterine secretions and passes the male’s sperm […]
Renal medulla
The renal medulla is the innermost part of the kidney. The renal medulla is split up into a number of sections known as the renal pyramids. Blood enters into the […]
Umbilical vein
The umbilical vein is a vein present during fetal development that carries oxygenated blood from the placenta to the growing fetus.The blood pressure inside the umbilical vein is approximately 20 […]
Osteoclast
An osteoclast (from the Greek words for bone (Οστό) and broken (κλαστός)) is a type of bone cell that resorbs bone tissue. Thisfunction is critical in the maintenance and repair […]