The kidneys alone perform the functions just described and manufacture urine in the process while the other organs of the urinary system provide temporary storage reservoirs for urine or serve as transportation channels to carry it from one body region to another. The article anatomy and physiology of the kidney is the basis for this aorn journal independent study.
The Kidneys Boundless Anatomy And Physiology
The kidneys excrete excess h ions into urine for elimination from the body.
Anatomy and physiology of the kidneys. The behavioral objectives and examination for this program were prepared by helen starbuck pashley rn ma cnor contributing editor with consultation from trish oneill rn ms professional education specialist center for perioperative education. Anatomy and physiology of the kidneys. This illustration demonstrates the normal kidney physiology showing where some types of diuretics act and what they do.
The kidneys are 11 centimeters long paired reddish brown organs situated on the posterior wall of the abdominal cavity one on each side of the vertebral column and capped by the adrenal gland. H ions are produced as a natural byproduct of the metabolism of dietary proteins and accumulate in the blood over time. Connective tissue anchors the kidneys to surrounding structures and helps maintain their normal position.
Upper portions of the kidneys are somewhat protected by the eleventh and twelfth ribs figure 1. Anatomy of the kidneys. Each kidney weighs about 125175 g in males and 115155 g in females.
Due to the presence of the liver the right kidney is slightly lower than the left kidney. They are about 1114 cm in length 6 cm wide and 4 cm thick and are directly covered by a fibrous capsule composed of dense. Anatomy of the urinary system.
The kidneys monitor and regulate the levels of hydrogen ions h and bicarbonate ions in the blood to control blood ph. Glomerular filtration glomerular filtration is the renal process whereby fluid in the blood is filtered across the capillaries of the glomerulus. The right kidney is lower than the left due to displacement by the liver.
Location of the kidneys there are two kidneys which lie retroperioneally in the lumbar area. The angiotensinconverting enzyme converts angiotensin i to angiotensin ii which stimulates the adrenal cortex to secrete aldosterone a hormone that is involved in increasing blood pressure. The basic anatomy and physiology of the kidney how kidney function changes through life the anatomy of the kidney the kidneys are comple x and beautiful organs.
A decrease in blood pressure results in the release of renin which converts angiotensinogen to angiotensin i.
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