Neck of urinary bladder

Neck of urinary bladder

Vertical section of bladder, penis, and urethra. (Neck labeled near center.)
Latin	cervix vesicae urinariae

The neck of the urinary bladder is the portion of the urinary bladder adjacent to the prostate gland in men.

See also

Anatomy: urinary system (TA A08, TH H3.06, GA 11.1215)

Abdomen

Layers	Renal fascia • Renal capsule • Renal cortex (Renal column) • Renal medulla (Renal sinus, Renal pyramids, medullary interstitium) • Renal lobe • Cortical lobule • Medullary ray • Nephron

Intrarenal arteries	(Renal artery) → Segmental arteries → Interlobar arteries → Arcuate arteries → Interlobular arteries → Afferent arterioles

Renal tubule	Renal corpuscle (Glomerulus, Bowman's capsule) → Proximal tubule → Loop of Henle (Descending, Thin ascending, Thick ascending) → Distal convoluted tubule → Connecting tubule → Collecting ducts aka Duct of Belini → Renal papilla → Minor calyx → Major calyx → Renal pelvis

Intrarenal veins	Efferent arterioles → Peritubular capillaries / Vasa recta → Arcuate vein → Interlobar veins → (Renal vein)

JGA	Macula densa • Juxtaglomerular cells • Mesangium/Extraglomerular mesangial cell

Filtration	Glomerular basement membrane • Podocyte • Filtration slits • Mesangium/Intraglomerular mesangial cell • Tubular fluid

Orifice of ureter • Adventitia • Muscular layer • Mucosa

Pelvis

Bladder	Apex • Uvula • Neck • Median umbilical ligament • Muscular layer (Trigone • Detrusor) • Mucosa • Submucosa

Urethra	Urethral sphincters (External sphincter muscle of male urethra, External sphincter muscle of female urethra, Internal sphincter muscle of urethra)

M: URI

anat/phys/devp/cell

noco/acba/cong/tumr, sysi/epon, urte

proc/itvp, drug (G4B), blte, urte