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MSU ANTR 350 - urinary system 3
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ANTR 350 1st edition Lecture 41Outline of Last Lecture I. KidneysOutline of Current Lecture II. Ureters III. Urinary bladderCurrent Lecture-ureters-thick walled muscular tubes made of smooth muscle-lined by mucous membrane-transport urine from the kidneys to the bladder through peristaltic contractions-retroperitoneal throughout their course-cross external iliac vessels to reach bladder-enter the posterolateral surface of the bladder at an oblique angle -creates a physiological sphincter:-prevents urine from backing up into the kidneys-as the bladder fills, the internal pressure compresses the ureteric openings to close the sphincters-malfunction of sphincter => ascending infection == > kidney infection-the arterial supply and venous drainage are derived from a variety of nearby vessels: -renal a. & v.-gonadal a. & v.-middle rectal a.-superior vesical a. & v.These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.-aorta-common iliac a.-urinary bladder-provides temporary storage of urine-located in pelvic cavity-when full, rises into the abdominal cavity-posterior and superior to the pubic


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MSU ANTR 350 - urinary system 3

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