- 1 Which blood vessel of the kidney supplies blood to the medulla quizlet?
- 2 Which blood vessel supplies blood to the ribs?
- 3 What is the blood supply to the kidney?
- 4 What are the major blood vessels associated with the kidney?
- 5 Which vein does the renal vein empty?
- 6 Do all arteries carry oxygen-rich blood?
- 7 What are the 18 steps of blood flow?
- 8 What is the biggest vein in the body?
- 9 Why is blood flow through the kidney special?
- 10 What increases renal blood flow?
- 11 What causes lack of blood flow to the kidneys?
- 12 What are the tiny structures in the kidneys where the blood is actually filtered and urine is formed?
- 13 What regulates the fluids in the kidneys?
Which blood vessel of the kidney supplies blood to the medulla quizlet?
Which blood vessel of the kidney supplies blood to the medulla? Vasa recta are a network of capillaries forming loops that closely follow the loop of Henle. It is the only blood supply to the medulla.
Which blood vessel supplies blood to the ribs?
Below the thoracic artery are the intercostal arteries, which supply blood to the ribs, and the celiac artery. The celiac trunk branches to feed blood to the stomach, kidneys, liver, and other organs.
What is the blood supply to the kidney?
The kidneys are supplied with blood via the renal arteries, which arise directly from the abdominal aorta, immediately distal to the origin of the superior mesenteric artery.
What are the major blood vessels associated with the kidney?
Oxygenated blood comes to the kidneys from the right and left renal arteries off the abdominal aorta. Deoxygenated blood leaves the kidneys via the right and left renal veins that run into to the inferior vena cava.
Which vein does the renal vein empty?
The main renal veins empty into the inferior vena cava; the left renal vein is three times longer than the right (7.5 cm versus 2.5 cm). The left renal vein traverses behind the splenic vein and body of the pancreas before it crosses in front of the aorta near its termination in the inferior vena cava.
Do all arteries carry oxygen-rich blood?
Arteries carry blood away from the heart. In all but one case, arteries carry oxygen-rich blood. The exception is the pulmonary arteries. They carry oxygen-poor blood away from the heart, to the lungs, to pick up more oxygen.
What are the 18 steps of blood flow?
Blood flows through the heart in the following order: 1) body –> 2) inferior/superior vena cava –> 3) right atrium –> 4) tricuspid valve –> 5) right ventricle –> 6) pulmonary arteries –> 7) lungs –> 8) pulmonary veins –> 9) left atrium –> 10) mitral or bicuspid valve –> 11) left ventricle –> 12) aortic valve –> 13)
What is the biggest vein in the body?
The aorta is the large artery leaving the heart. The superior vena cava is the large vein that brings blood from the head and arms to the heart, and the inferior vena cava brings blood from the abdomen and legs into the heart.
Why is blood flow through the kidney special?
The blood flow through the kidney is special because why? Because its first capillary beds drain into arterioles. The fluid and solutes in the filtrate have been removed from the blood and are located in the renal tubules.
What increases renal blood flow?
Regulation of renal blood flow is mainly accomplished by increasing or decreasing arteriolar resistance. There are two key hormones that act to increase arteriolar resistance and, in turn, reduce renal blood flow: adrenaline and angiotensin.
What causes lack of blood flow to the kidneys?
Causes of Renal Hypertension Renal hypertension is caused by a narrowing in the arteries that deliver blood to the kidney. One or both kidneys’ arteries may be narrowed. This is a condition called renal artery stenosis. When the kidneys receive low blood flow, they act as if the low flow is due to dehydration.
What are the tiny structures in the kidneys where the blood is actually filtered and urine is formed?
The kidneys remove urea from the blood through tiny filtering units called nephrons. Each nephron consists of a ball formed of small blood capillaries, called a glomerulus, and a small tube called a renal tubule.
What regulates the fluids in the kidneys?
Direct control of water excretion in the kidneys is exercised by vasopressin, or anti-diuretic hormone (ADH), a peptide hormone secreted by the hypothalamus. ADH causes the insertion of water channels into the membranes of cells lining the collecting ducts, allowing water reabsorption to occur.