Anatomy and Cell Biology 3319 Lecture Notes - Lecture 40: Abdominal Cavity, Adrenal Gland, Abdominal Wall

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Lecture 040: Kidney and Ureters
Objectives
State the location of the kidneys within the abdominal
cavity and in relation to bony landmarks
Name the connective tissue coverings of the kidney
List the anterior relations of the left and right kidneys
Name the structures of the hilum of the kidney and state
their relationship to one another
Describe the anatomical features of the kidney in coronal section
State the arterial supply, venous drainage of the kidneys
Describe a typical uriniferous tubule
Components of the Urinary System
2 kidneys
2 ureters
Urinary bladder
Store urine
Urethra
Passageway from the bladder to the outside world
Length differs between male and female
Functions of the Urinary System
Filters blood
Filters 200 L of fluid/day
Excretes approximately 1.4 L/day
Eliminate Waste
Nitrogenous compounds
Excrete excess ions
Water/electrolyte balance
Produce, transport, and store urine
Micturition
Blood Pressure regulation
General information about the Kidney
Are retroperitoneal structures
Lies on the posterior abdominal wall
Extend from T12-L3
Slightly lower on the right
Hilum
Opening in the kidney where all the vessels enters the kidney
Processes 20-25% cardiac output
Surfaces, margins, poles
Associated adrenal gland
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Kidney Anatomy
Surfaces
Anterior
Posterior
Margins
Lateral
Medial
Poles
Superior (north)
Adrenal gland here
Protected by the bony change (ribs fo T12)
Inferior (south)
Exposed, no bony cage
Layers of connective tissue and fat is here to
protect it
Hilum
Where the artery and veins travels into the kidney
Where the ureter travels out of the kidney
Right kidney
Usually lower than left kidney
To accomodate for the liver
Related to liver, duodenum, ascending colon
Left kidney
Related to stomach, spleen, pancreas, jejunum,
descending colon
Relationships of kidneys with other abdominal organs
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Document Summary

State the location of the kidneys within the abdominal cavity and in relation to bony landmarks. Name the connective tissue coverings of the kidney. List the anterior relations of the left and right kidneys. Name the structures of the hilum of the kidney and state their relationship to one another. Describe the anatomical features of the kidney in coronal section. State the arterial supply, venous drainage of the kidneys. Passageway from the bladder to the outside world. Opening in the kidney where all the vessels enters the kidney. Protected by the bony change (ribs fo t12) Layers of connective tissue and fat is here to protect it. Where the artery and veins travels into the kidney. Where the ureter travels out of the kidney. Related to stomach, spleen, pancreas, jejunum, descending colon. Anchors kidney and adrenals in abdomen (holds the kidney in place) Outside of renal capsule and renal fascia.

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