Chapter 7 The Urinary System Instructor. Zhenghong Zhang (张正洪)
Chapter 7 The Urinary System Instructor: Zhenghong Zhang (张正洪)
Composition Two kidneys Two ureters Bladder Urethra
Composition Two kidneys Two ureters Bladder Urethra
Section1 The Kidneys肾 I. General features Bean shaped, reddish brown organs a Superior extremity Inferior extremity Anterior surface Posterior surface Lateral border
Section 1 The Kidneys 肾 Ⅰ.General features ◼ Bean shaped, reddishbrown organs ◼ Superior extremity ◼ Inferior extremity ◼ Anterior surface ◼ Posterior surface ◼ Lateral border
Medial border 口 Renal hilum肾门 renal pedicle肾蒂, o Order of structures in the renal pedicle from anterior to posterior V.A. P o from superior to inferior-A. V P
◼ Medial border ❑ Renal hilum 肾门 renal pedicle肾蒂, ❑ Order of structures in the renal pedicle from anterior to posterior- V. A. P.; ❑ from superior to inferior-A. V. P
Ⅱ. Position and adjacency Left kidney lies at the level from the lower border of tll to L2: the 12th rib is behind its middle part of the post surface Right kidney at the level from the lower border of T12 to L3: the 12th rib is behind its upper part of the post surface
Ⅱ.Position and adjacency ◼ Left kidney lies at the level from the lower border of T11 to L2; the 12th rib is behind its middle part of the post surface ◼ Right kidney at the level from the lower border of T12 to L3; the 12th rib is behind its upper part of the post surface
Renal hilum at the level ofli is about 5cm from the posterior median line ■ enal region the area between 12th rib Ar and the lateral margin of erector spinae
◼ Renal hilum at the level of L1, is about 5cm from the posterior median line ◼ Renal region the area between 12th rib and the lateral margin of erector spinae
Adjacency of the kidneys Superiorly- suprarenal gland Posteriorly Three muscles Three nerves Medial
Adjacency of the kidneys ◼Superiorly- superarenal gland ◼Posteriorly Three muscles Three nerves ◼Medial
Anterior a Left kidney Stomach(superior), Pancreas(middle), Loops of intestine and left colic flexure (inferiorly 口 Right kidney Right lobe of liver superior Right colic flexure (inferior) Descending part of duodenum(medially)
◼ Anteriorly ❑ Left kidney ◼ Stomach (superior), ◼ Pancreas (middle), ◼ Loops of intestine and left colic flexure (inferiorly) ❑ Right kidney ◼ Right lobe of liver (superior) ◼ Right colic flexure (inferior) ◼ Descending part of duodenum (medially)