Class Notes (839,094)
Canada (511,185)
Biology (2,271)
BIOL 301 (42)
Lecture

The urinary system.docx

2 Pages
92 Views

Department
Biology
Course Code
BIOL 301
Professor
Vivian Dayeh

This preview shows 80% of the first page. Sign up to view the full 2 pages of the document.
Description
The urinary system ­ maintain the chemical consistency of blood  o send toxins, metabolic wastes, and excess water out of the body  o main waste products▯urea, uric acid, creatinine(from muscle) Main organs of the  urinary system Kidneys – forms urine   th External Anatomy Retroperitoneal(behind parietal perdtoneum)▯T12­L3(12   thoracic certebra superiorly to 3  lumbar vertebra inferiorly) Secured and surrounded by 3 layers of tissue(superficial to  deep) pg. 722 ­ renal fascia▯thin layer of dense CT to anchor kidney in   position ­ adipose capsule(perirenal fat capsule)▯cushions and  anchors ­ renal capsule(outermost layer)▯fibrous CT on outer  layer of kidney itself▯shapes kidney Hilum(picture): vertical cleft containing vessels, ureter and  nerves Internal anatomy Two distinct regions:  1. renal cortex▯superficial region  2. renal medulla▯deep to cortex  ­ contain renal pyramids separated by renal columns renal pelvis▯funnel shaped tube ­ contain branching extensions to form major calices  which divide to form minor calices Kidney blood supply Blood travels from aorta▯renal artery▯segmental  artery▯interlobar artery▯arcuate artery▯cortical radiate  artery▯ afferent arterioleg▯ lomerulus(capillaries)E▯ fferent  arteriolep▯ eritubular capillaries and vasa recta c ▯ ortical  radiate vein▯arcuate vein▯interlobar vein▯renal vein▯inferior  vena cava The nephron –  Components:  functional unit of  ­ renal corpuscle: the renal corpuscle consists of the  kidney glomerulus and the glomerular(Bowman’s 
More Less
Unlock Document

Only 80% of the first page are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit