ANATOMY OF THE URINARY SYSTEM
I.
KIDNEY
1. Capsule [B-outside brown]
2. Cortex [A-outer pink “C” bt capsule & vessels]
3. Medulla [inside maroon “C”]
a. Renal pyramids [7-inside maroon petals]
b. Renal papilla [inner opening of pyr.]
c.
Renal columns [pink cortex bt pyramids]
d. Minor calyx [5-pink road to major]
e. Major calyx [4-pink merged section]
4. Hilum [bt upper & lower “C” edges]
a. Renal pelvis [bt 5 & 3-highway]
II.
ARTERIAL CIRCULATION
1. Renal Artery [2 – red in hilum]
2. Segmental artery [1st branches off renal artery]
3. Interlobar [bt pyramids at apex]
4. Arcuate artery [along pyramid base]
5. Interlobular artery [parallel radiate in cortex]
6. Afferent arteriole [toward corpuscle]
7. Efferent arteriole [away from corp to cap. bed]
8. Peritubular capillaries [top of Henle in CNs]
9. Vasa recta [parallel to Henle in JNs]
III.
VENOUS CIRCULATION
1. Renal vein [1 – blue in hilum]
2. Interlobar vein [bt pyramids at apex]
3. Arcuate vein [along pyr base]
4. Interlobular vein [parallel radiate in cortex]
IV.
NEPHRON [pyramid + cortex section]
A. Renal Corpuscle [capsule + glomerulus]
1. Bowman’s capsule [glomerular capsule]
a. Parietal layer
b. Visceral layer (podocites)
c. Capsular space [bt visceral & parietal]
d. Glomerulus [capillaries bundle]
B. Renal Tubule
1. PCT [prox conv tub – sup next to corpuscle]
2. Loop of Henle [nephron loop]
a. Descending limb [of loop]
b. Ascending limb [of loop]
c. Thick and thin portions
3. DCT [prox conv tub – sup next to collecting
duct]
C. Juxtaglomerular apparatus
1. Macula densa [cells in DCT]
2. JG/granular cells [out of aff art]
D. Cortical nephrons [cortex/close to surf.
E. Juxtamedullary nephrons [split over c/m junct.]
F. Collecting tubules [from all loops]
G. Collecting ducts [6 – middle model]
H. Papillary ducts [of loop]
---------------------------------------------------------------------------------V.
URETER [3- down from pelvis]
1. MUCOSA: TE… LP
2. MUSCULARIS: SM
3. ADVENTITIA: A.CT W/C&E
VI.
URINARY BLADDER
TRIGONE: NO MF)
1. MUCOSA (MF): TE… LP
2. SUBMUCOSA: DI.CT
3. MUSCULARIS: SM (DETRUSOR)
4. ADVENTITIA: A.CT
VII.
URETHRA
1. FEM: SSE
a. SM IUS & SKM EUS
2. MALE:
a. Prostatic U= TE & SM
b. Membranous U= PSC & SC
c. Spongy U= CORP SPONG (PSC & SC)
ANATOMY OF THE REPRODUCTIVE SYSTEM
MALE REPRODUCTIVE SYSTEM
FEMALE REPRODUCTIVE SYSTEM
Uterus
1.
2.
3.
4.
1.
Fundus
Body
Uterine cavity
Cervix
a. Internal os & External os
b. Isthmus/Cervical canal
Layers:
a. Peri-, Myo-, Endo-metrium
Uterine Tube (Oviduct or Fallopian tube)
1. Fimbriae
2. Infundibulum
3. Ampulla
4. Isthmus
Ovary
1.
2.
3.
4.
Stratum germinale
Tunica albuginea
Cortex
a. Follicles (prim, 1, 2, stages)
b. Corpus hemorrhagicum
c. Corpus luteum (+egg)
d. Corpus albicans
Medulla
a. Blood vessels and nerves
Ligaments
1. Round ligament
2. Suspensory ligament
3. Broad ligament
a. Meso-salpinx, -ovarium, -metrium
4. Uterosacral ligament
Vagina
1.
2.
3.
4.
Anterior fornix
Posterior fornix
Orifice of the vagina
Hymen
External Genitalia
1. Labia majora
2. Labia minora
3. Vestibule
4. Mons pubis
5. Clitoris
Miscellaneous
1. Rectouterine pouch
2. Vesicouterine pouch
Scrotum
1. Tunica vaginalis (p. & v.)
2. Tunica albuginea
3. Dartos ms.
4. Cremaster ms.
5. Testis
Epididymis
1. Head
2. Body
3. Tail
Spermatic cord
1. Vas deferens (& ampulla)
2. Testicular artery
3. Pampiniform plexus (veins)
Ampulla of the Ductus deferens
Seminal vesicle
Ejaculatory duct
Prostate gland
Bulbourethral glands (Cowper gland)
Penis
1.
2.
Crura of the penis
Shaft (body) of the penis
a. Glans penis
b. Foreskin (prepuce)
Erectile tissue of the penis
a. Corpus spongiosum
b. Corpora cavernosa
Urethra
1. Prostatic urethra
2. Membranous urethra
3. Spongy urethra