The renal hilus
PROBLEM. The concave medial border of the kidney is called the __________. STEP-BY-STEP SOLUTION: JavaScript Not Detected. JavaScript is required to view textbook solutions.  Kidney Structure. lateral surface is convex, medial side is deeply concave medial depression leads into a hollow chamber called the renal sinus, through the entrance to this sinus (hilum) pass blood vessels, nerves, lymphatic vessels and the ureter.  The concave medial border of each kidney has a longitudinal slit called the _____ that serves as a transmission area for blood and lymphatic vessels, nerves, and the ureter. Definition. hilum. Term. The hilum expands into the body of the kidney to form a central cavity called the _____ sinus.  The kidneys are a pair of bean-shaped organs located on either side of the superior posterior abdominal wall. Its lateral border is convex while its medial border is concave. The medial concavity is the point at which the renal neurovascular structures enter and leave the kidneys. Calyces and the Renal Pelvis. The open cavity in the medial concavity of the kidney – the renal sinus – is partly occupied by the calyces and the renal pelvis. The calyces act as conduits for urine to leave the medulla and enter the ureters. There are minor calyces and major calyce The kidneys are reddish-brown, bean-shaped organs situated retroperitoneal on the posterior abdominal wall. They extend from lumbar vertebra T12-L3. Normally the kidney is about the size of a mouse and measures approximately 11-12 cm in length, 5-6 cm in width and 2.5-3 cm in thickness. The kidneys have a superior and inferior pole, medial and lateral margins, and an anterior and posterior surface. The superior pole of each kidney is deep to the rib cage. For the right kidney, its superior pole is at the 12th rib and for the left the superior pole is at ribs 11 and 12. Anatomy of Kidney. On the medial margin of the kidney is concave region called the renal hilus. The renal hilum is the entrance to the renal sinus. Structures such as the renal veins, artery, nerves and lymphatic vessels are located in the renal hilum. The renal sinus is a fat-filled cavity inside the kidney that extends from the hilum Each kidney is reddish-brown, bean shaped organ and is about 4 inches long and 2 inches wide. It has a medial concave surface and a lateral convex surface. On the medial concave border of each kidney, there is a vertical slit called hilum, which is bounded by thick lips of the renal substance. Inside the kidney, the hilum extends into a large cavity called renal sinus. All structures that enter or exit the kidney pass through the hilum. From front backwards, these structures are: 1  Renal vein. 2  Two branches of renal artery. 3  Ureter. 4  Third branch of renal artery. 5  Lymph vessels 1 At this concave part of each kidney is a vertical cleft, the renal hilum (hilus). 2  Here, the renal artery enters and the renal vein and renal pelvis leave the kidney. 3  The hilum leads into a space within the kidney called the renal sinus, which is about 2.5 cm deep. 1 The levels of the kidneys change during respiration and with changes in posture. 2  Each kidney moves about 3 cm in a vertical direction during the movements of the diaphragm that occurs with deep breathing. 3  The hilum of the left kidney lies in the transpyloric plane, about 5 cm from the median plane. 1 Here, the renal artery enters and the renal vein and renal pelvis leave the kidney. 2  The hilum leads into a space within the kidney called the renal sinus, which is about 2.5 cm deep. 3  The renal sinus is occupied by the renal pelvis, renal calices, renal vessels and nerves, and varying amounts of fat. 1 The levels of the kidneys change during respiration and with changes in posture. 2  Each kidney moves about 3 cm in a vertical direction during the movements of the diaphragm that occurs with deep breathing. 3  The hilum of the left kidney lies in the transpyloric plane, about 5 cm from the median plane.
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the medial concavity of the kidney is called the