ACTIVITY 12: URINARY AND REPRODUCTIVE SYSTEMS LABORATORY OBJECTIVES: 1. Identify structures in the urinary system on models and cadavers. 2. Trace blood flow through the kidney, and urine flow through the kidney and other urinary structures. 3. Histology: Identify structures involved in filtration on a slide or photo of a renal corpuscle. 4. Identify gross anatomical structures of the female reproductive tract. 5. Identify gross anatomical structures of the male reproductive tract. 6. Histology: Identify structures in a slide or photo of a cross section through the shaft of the penis. URINARY SYSTEM Organs of the Urinary System Kidneys Ureters Urinary bladder Urethra Blood flow through the kidney Renal artery Segmental artery Interlobar artery Arcuate artery Interlobular artery Afferent arteriole Glomerulus (glomerular capillaries) Efferent arteriole Peritubular capillaries Vasa recta Interlobular vein Arcuate vein Interlobar vein Renal vein Urine-draining structures within the kidney Collecting duct Renal papilla Minor calyx Major calyx Renal pelvis Nephron structures: Glomerular capsule (Bowman’s capsule) Proximal convoluted tubule Nephron loop (Loop of Henle) Descending limb Ascending limb Distal convoluted tubule Collecting duct Gross Anatomy of the Kidney Fibrous capsule Renal cortex Renal medulla Renal pyramid Major calyx Minor calyx Renal artery Renal vein Renal column Gross Anatomy of the Urinary Bladder and Urethra Ureter Urinary bladder Detrusor muscle Urinary trigone Internal urethral sphincter Urethra External urethral sphincter Urogenital diaphragm Male structures Membranous urethra Prostatic urethra Spongy urethra External urethral orifice Prostate gland Female structures Urethra (female) External urethral orifice Histology of the renal cortex: The renal corpuscle consists of the glomerulus surrounded by the glomerular capsule, and is the primary site of filtration in the kidney. Identify the following structures, when visible, in a slide of the renal corpuscle. Proximal convoluted tubule Visceral layer of glomerular capsule Parietal layer of glomerular capsule Capsular space Distal convoluted tubule Afferent arteriole Glomerulus Efferent arteriole REPRODUCTIVE SYSTEM GROSS ANATOMY OF THE FEMALE REPRODUCTIVE TRACT Female reproductive organs and structures Ovaries Uterine (fallopian) tubes Uterus Vagina Uterus Fundus Body Isthmus Cervix External structures Vulva (pudendum) Labia majora Labia minora Clitoris Vagina Vaginal orifice External urethral orifice Anus Ligaments and associated structures Round ligament of uterus Broad ligament Uterine artery and vein Ovarian ligament Ureters Suspensory ligament of ovary Ovarian artery and vein Uterine tube regions Fimbriae Infundibulum Ampulla Isthmus Interstitial segment Breast Pectoralis major muscle Areola Lobule Nipple Adipose tissue Suspensory ligaments GROSS ANATOMY OF THE MALE REPRODUCTIVE TRACT Major male reproductive organs and structures Testes Ductus deferens Prostate gland Seminal vesicle Bulbourethral gland Urethra Testis Scrotum Epididymis Ducts and Glands Epididymis Ductus deferens Ampulla of ductus deferens Seminal vesicle Prostate gland Ejaculatory duct Prostatic urethra In urogenital diaphragm: Bulbourethral gland Membranous urethra Inguinal Canal External (superficial) inguinal ring Internal (deep) inguinal ring Spermatic cord with: ductus deferens testicular artery and vein testicular nerve Other structures Urinary bladder Ureters Histology of the penis: Identify the following structures in a slide or photo of a cross section of the penis. Corpus cavernosum Dorsal surface Urethra Central artery Corpus spongiosum Ventral surface Dorsal vein Penis Crus Glans penis Prepuce Corpus cavernosum Corpus spongiosum Spongy (penile) urethra