Urinary System


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Kidney cortex with numerous convoluted tubules, renal corpuscles with glomeruli, and medullary rays. Rabbit. Low magnification.

Kidney cortex with numerous convoluted tubules, 3 renal corpuscles with glomeruli, and medullary rays. Rabbit. Low magnification. Rabbit. Medium magnification.

Kidney cortex with 2 renal corpuscles, glomeruli, macula densa, and the surrounding proximal convoluted tubules and distal convoluted tubules. Rabbit. High magnification.

Renal corpuscle in kidney cortex with glomerulus, glomerular (Bowman's) capsule, urinary space, macula densa, and the surrounding proximal convoluted tubules and distal convoluted tubules. Rabbit. High magnification.

Renal corpuscle in the kidney cortex with glomerular capillaries, glomerular (Bowman's capsule), and the surrounding proximal convoluted tubules and distal convoluted tubules. Primate. Plastic section. High magnification.

Renal corpuscle in the kidney cortex with glomerular capillaries, glomerular (Bowman's capsule), and the surrounding proximal convoluted tubules and distal convoluted tubules. Primate. Plastic section. High magnification.

Kidney medulla with thick loops of Henle, thin loops of Henle, blood vessels with blood cells, and collecting ducts. Human. PAS. Low magnification.

Kidney medulla with transverse and longitudinal sections of proximal convoluted tubules. Human. PAS. High magnification.

Area cribrosa in kidney papilla with papillary ducts adjacent to the minor calyx. Human. PAS. Low magnification.

Transverse section of kidney medulla with numerous papillary ducts, thick loops of Henle, thin loops of Henle, blood vessels, and the surrounding interstitial connective tissue. Primate. Medium magnification.

Kidney medulla with longitudinal section of collecting tubules lined by simple cuboidal epithelium. Primate. High magnification.

Kidney papilla with longitudinal section of papillary ducts lined by tall simple columnar epithelium. Primate. High magnification.

Transverse section of a relaxed ureter with folded mucosa, thick transitional epithelium, subepithelial connective tissue, smooth muscle layers, and the surrounding adventitia with blood vessels and adipose tissue. Primate. Plastic section. Low magnification.

Transverse section of a relaxed ureter with folded mucosa, thick transitional epithelium, subepithelial connective tissue, smooth muscle layers, and the surrounding adventitia with blood vessels. Primate. Low magnification.

Transverse section of a relaxed ureter with folded mucosa, thick transitional epithelium, dense staining subepithelial connective tissue, and smooth muscle layers. Human. Mallory Azan. Low magnification.

Urethra of penis with transitional epithelium and the subendothelial connective tissue. Primate. High magnification.

Wall of relaxed urinary bladder with thick transitional epithelium and the underlying connective tissue. Primate. Plastic section. High magnification.

Wall of relaxed urinary bladder with thick transitional epithelium and the underlying connective tissue. Canine. High magnification.

Wall of relaxed urinary bladder with thick transitional epithelium and the underlying connective tissue. Primate. Plastic section. High magnification.

Wall of urinary bladder with thick transitional epithelium and the underlying connective tissue. Feline. Plastic section. High magnification.

Transverse section of a urethra with crescent-shaped lumen, thick luminal epithelium, underlying connective tissue, smooth muscle layers, and the covering adventitia. Mammal. Low magnification.

Transverse section of a urethra with crescent-shaped lumen, thick luminal epithelium, underlying connective tissue, smooth muscle layers, and the covering adventitia. Mammal. Low magnification.

Transverse section of a urethra with large, open lumen, thick luminal epithelium, underlying connective tissue, smooth muscle layers, and the covering adventitia. Mammal. Low magnification.

Urethra with thick transitional epithelium and the underlying dense irregular connective tissue. Mammal. High magnification.

Urethra with thick transitional epithelium and the underlying dense irregular connective tissue. Mammal. High magnification.

Author: Science