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Reference Guide

Urinary System - Reference Guides

2 Pages
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Department
ANAT - Anatomy
Course Code
ANAT 14
Professor
All

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Description
p e rm a ch ar tsMT Urinary System 2nd EDITION Figures 1 & 2: Gross Figure 1: Gross Anatomy – Male Figure 3: Coronal Section of Kidney Anatomy – Male & Female 2 3 1 Inferior vena cava 9 2 Renal vein 4 Kidneyartery 8 10 5 Descending aorta 4 6 Ureter 7 Urinary bladder 7 8 Prostate gland 5 9 Urethra 1 11 6 Figure 3: Coronal Section of Kidney 1 Ureter 2 Renal pelvis 3 Inferior segmental vessels 7 4 Renal vein 6 12 5 Renal artery 8 6 Superior segmental vessels 5 7 Minor calyx 13 8 Medulla (pyramid) 9 9 Cortex 10 Fibrous capsule 11 Papilla of pyramid 14 12 Interlobar vessels 4 13 Anterior superior segmental vessels 14 Anterior inferior segmental Figure 2: Gross Anatomy – vessels Female 3 15 Renal sinus 15 16 Interlobular arterioles 2 3 and venules 17 Major calyx 2 18 Arcuate vessels 19 Base of pyramid 4 Figure 4: Midsagittal 16 Section – Male 1 Scrotal septum 5 2 Bulbous urethra 1 6 3 Membranous urethra 4 Distal urethral sphincter 17 5 Anus 1 6 Rectum 7 Ejaculatory duct 7 8 Seminal vesicle 18 9 Ampulla of vas deferens 10 Trigone of bladder 9 11 Ureteral meatus 19 12 Fundus of bladder 13 Apex of bladder • The kidneys regulate acid/base concentration and water balance in the blo14 Urachus and discharge metabolic wastes as urine • The entire blood volume passes 15 Neck of bladder through the kidneys every three minutes, during which time water and 16 Pubic symphysis electrolytes are filtered and selectively reabsorbed to maintain homeostasis7 Prostatic urethra • Each adult kidney is about 11 cmlong, 6 cmwide, and 2.5 cmthick, and 18 Prostate gland weighs about 140 grams 19 Corpus cavernosum 20 Corpus spongiosum Figure 4: Midsagittal Section – Male Figure 5: Midsagittal Section – Female 21 External urethral meatus Figure 5: Midsagittal 12 Section – Female 13 5 1 Anus 11 14 7 8 2 Rectum 6 9 3 Vagina 10 4 4 Cervix 15 5 Uterus 6 Ureteral meatus 16 7 Fundus of bladder 8 Apex of bladder 9 17 10 9 Urachus 11 10 Trigone of bladder 18 11 Neck of bladder 12 12 Pubic symphysis 8 13 13 Urethra 19 14 Clitoris 14 15 Urethral opening 7 3 16 Labiummajus 20 15 17 Labiumminus 6 2 16 18 Urogenital diaphragm 5 1 18 17 4 3 2 • The urethra drains urine fromthe bladder; in males, it also carries semen during ejaculation • In women it is 3 cmlong, while in men 1 it is 20 cmlong • Because of this, women are more susceptible to 21 urinary tract and bladder infections • In men, enlargement of the prostate gland can result in narrowing of the urethral lumen, producing frequent and sometimes painful urination w w w . p er m a c h a r ts. com © 1996-2012 Mindsource Technologies Inc. permachartsTM
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