Term
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Definition
a depression in the kidney's concave surface
the site where vessels and nerves pass into or leave the kidney
Where the ureter exits the kidney |
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Term
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Definition
| fat-filled cavity enclosing branches of the renal artery, vein and lymph as well as ureters and nerve fibers |
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Term
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Definition
outer layer has collagen and fibroblasts
inner layer has myofibroblasts |
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Term
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Definition
outer region of the kidney
contains renal corpuscles, convuluted tubules, medullary rays and collecting tubules
90-95% of blood flowing through the kidney |
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Term
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Definition
regions between the medullary rays
contains renal corpuscles, convoluted tubules and collecting tubules |
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Term
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Definition
contains 8-18 renal pyramids, Renal comlumns of Bertin and vasa recta
5-10% of the blood flowing through the kidney |
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Term
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Definition
Apex of the medulla
contains the Area cribrosa, consisting of 20 openings of the ducts of Bellini
projects and drains into a minor calyx |
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Term
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Definition
Project between the medullary pyramids
reside within and are part of the medulla
include straight tubules and collecting ducts |
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Term
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Definition
Nephron + collecting tubule
consists of epithelium and is covered by a basal lamina on its exterior |
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Term
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Definition
| structural and functional unit of the kidney |
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Term
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Definition
cluster of fenestrated capillaries
an arterio-capillary bed |
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Term
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Definition
proximal end of the nephron
visceral layer is composed of podocytes
parietal layer is composed of simple squamous epithelium |
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Term
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Definition
the space between the visceral and parietal layers of Bowman's capsule
contains the ultrafiltrate |
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Term
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Definition
| has two discontinuous layers - a fenestrated endotheliumn of glomerular capillary and the visceral layer of Bowman's capsule (podocytes) |
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Term
| Proximal Convoluted Tubule (PCT) |
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Definition
Simple cuboidal epithelium
contains a striated border of microvilli
eosinophilic cytoplasm |
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Term
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Definition
| lined with simple squamous epithelium |
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Term
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Definition
Low cuboidal epithelium with few microvilli
more mitochondria than cells of the PCT |
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Term
| Distal convoluted tubule (DCT) |
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Definition
Wide, clear lumen
pale, granular cytoplasm |
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Term
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Definition
| is part of the uriniferous tubule but not part of the nephron |
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Term
| Papillary collecting ducts of Bellini |
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Definition
formed as several medullary collecting tubules converge
open in the area cribrosa
lined with tall columnar epithelium |
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Term
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Definition
modified smooth muscle cells in the tunica media of the afferent arteriole
contains renin |
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Term
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Definition
Receives urine from the renal papilla of a single renal pyramid
lined by transitional epithelium |
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Term
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Definition
thrown into folds when ureter is empty
lined by transitional epithelium |
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Term
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Definition
upper 2/3 of ureter - outer circular layer and inner longitudinal layer
lower 1/3 of ureter - outer longitudinal layer, middle circular layer, inner longitudinal layer |
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Term
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Definition
thrown into folds when bladder is empty
transitional epithelium
superficial dense irregular collagenous CT
deep loose layer of CT |
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Term
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Definition
3 layers of smooth muscle
middle layer forms the internal sphincter muscle |
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Term
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Definition
Dense irregular collagenous CT
attaches bladder to surrounding structures |
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Term
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Definition
| lined by transitional epithelium near bladder and the rest is stratified squamous nonkeratinized epithelium |
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Term
| Female urethra - muscularis |
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Definition
| outer circular layer and inner longitudinal layer |
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Term
| Female urethra - external sphincter |
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Definition
| skeletal muscle - where the urethra penetrates the UG diaphragm |
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Term
| Male urethra - prostatic urethra |
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Definition
lies within the prostate
transitional epithelium |
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Term
| Male urethra - membranous urethra |
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Definition
transverses the UG diaphragm
stratified columnar epithelium with pseduostratified columnar in some areas |
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Term
| Male urethra - spongy (penile) urethra |
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Definition
in the corpus spongiosum
pseudostratified columnar epithelium
stratified squamous non-keratinized epithelium in the distal end |
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Term
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Definition
largest accessory gland
Dense irregular collagenous CT
peripheral layer has the main prostatic glands |
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