Ch. 26 -me urinary - Urinary System Introduction •...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Urinary System Introduction • Urinary System – Kidneys • Filter blood plasma and return most water to blood stream – Ureters • Passes urine (remaining water and solutes) into bladder – Urinary bladder • Stores urine until excretion is possible – Urethra • Passes urine through orifice Kidneys • Perform majority of urinary functions – Regulation of blood ionic composition – Regulation of blood pH – Regulation of blood volume – Enzymatic regulation of blood pressure – Maintenance of blood osmolarity – Production of hormones (erythropoietin and calcitrol) – Regulate blood glucose levels (gluconeogenesis) – Excretion of wastes and foreign substances Kidneys • Located in retroperitoneum – Behind peritoneal membrane of abdominopelvic cavity • Between the T12 and L3 • Protected by false ribs (11 & 12) • Right is lower than left – Liver Kidneys • 10-12 cm. long • 5-7 cm. wide • 3 cm. thick • Renal hilum – Concave portion – Ureter, blood vessels, lymphatic vessels, nerves emerge Kidneys • External anatomy – 3 layers of tissue surround each kidney: • Renal capsule - deep layer – Fibrous attachment to kidney • Adipose capsule - middle layer – Adipose tissue • Renal fascia - superficial layer – Dense irregular CT – Anchors kidney to peritoneum R e n a l f a s c ia A d ip o s e c a p s u le R e n a l c a p s u le Kidneys...
View Full Document

Page1 / 38

Ch. 26 -me urinary - Urinary System Introduction •...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online