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Histology Class MD1 > The Urinary system > Flashcards

The Urinary system Flashcards

(54 cards)

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1
Q

Where is the erythropoietin produced ?

A

Kidney

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2
Q

What is modified in the kidney ?

A

Vitamin D

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3
Q

Where is renin produced ?

A

Kidney

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4
Q

Division of the kidney

A

Outer cortex And inner

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5
Q

What does the kidney lobe consist of ?

A

medullary pyramid, its overlying cortex, and the associated renal column.

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6
Q

Renal columns

A

Tissue in between the pyramids

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7
Q

Medullary Ray

A

A region where a portion of the medulla project into the renal cortex

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8
Q

Ducts of Bellini

A

Large collecting tubules near the apex of the pyramid

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9
Q

Functional unit of the kidney

A

Nephron

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10
Q

Divisions of the nephron

A

Glomerulus and uriniferous tubule

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11
Q

Glomerulus

A

Capillary tuft of the nephron

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12
Q

Bowman’s capsule

A

Double layered cap surrounding the glomerulus

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13
Q

Renal capsule

A

Glomerulus and bowman’s capsule

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14
Q

Malpighian corpuscle

A

Renal corpuscle

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15
Q

What does the bowman capsule lead to ?

A

PCT

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16
Q

What does the PCT lead to ?

A

Loop of Henle.

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17
Q

What does the loop of Henle lead to ?

A

DCT

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18
Q

What does the DCT lead to ?

A

Collecting duct

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19
Q

Visceral layer of bowman’s capsule

A
  • Inner layer

- consist of podocytes

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20
Q

Parietal layer of the Bowman’s capsule

A

-outer layer

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21
Q

Pedicels

A

foot like processes on the podocytes

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22
Q

Juxtaglomerular apparatus

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A

The juxtaglomerular cells and macula densa

23
Q

What do the juxtaglomerular cells secrete ?

24
Q

Macula densa

Study These Flashcards
A

specialized cells in the distal convoluted tubule that are sensitive to sodium.

25
What branches off the interlobular artery?
Afferent arteriole
26
Blood supply to the glomerulus
Afferent arteriole
27
What converges to form the efferent arteriole ?
Glomerulus
28
What is the second capillary network to argue after the deferent arteriole ?
peritubular capillaries
29
Vasa recta
Straight vessels that arise from some of the efferent arterioles.
30
Location of the bladder
- within the pelvic cavity - behind the symphysis pubis - below the parietal peritoneum
31
Innermost portion of the urinary bladder
mucosa
32
Transitional epithelium
domed shaped cells on the apical surface
33
Does the epithelial layer contain blood vessels or lymphatics ?
No
34
Basement membrane
- Single layer of cells | - separates the epithelium from the connective tissue
35
Lamina Propria
- epithelium that lies upon connective tissue - composed of areolar connective tissue. - contains blood vessels, nerves, and, in some regions, glands.
36
where does the lamina propria and submucosa tend to merge ?
urinary sites because they have no muscular mucosae
37
Layers of the muscular of the bladder
inner longitudinal, middle circlular, and outer longitudinal.
38
Detrusor muscle
Smooth muscle of the bladder
39
Mucosa
epithelium, transitional epithelium, mucosal surface, transitional mucosa, urothelium
40
Lamina propria
subepithelial tissue, stroma, submucosa, suburothelial connective tissue
41
Muscularis
muscularis externa, smooth muscle, muscle, muscularis propria
42
Urethra
tube -like structure which urine leaves the bladder
43
Wall of the urethra
smooth muscle
44
Sphincters of the urethra
Internal sphincter and external urethral sphincter
45
Internal urethral sphincter
- At the start of the urethra | - smooth muscle
46
External urethral sphincter
-Composed of skeletal muscle
47
Female urethra
- short | - lining = psuedostratified columnar epithelium & stratified squamous
48
Male urethra
- Longer | - Functions as a conduit for urine and semen
49
Three sections of the male urethra
prostatic urethra, membranous urethra, and spongy (penile) urethra.
50
Prostatic urethra
- First portion of the male urethra | - transitional epithelium
51
Membranous Urethra
- 2nd portion | - psuedostratified columnar epithelium
52
Spongy urethra
- 3rd part - penile urethra - longest - travels through the corpus spongiosum of the penis - psuedostratified columnar epithelium which then transitions to stratified squamous epithelium distally.
53
Ureter
- muscular tube | - 25 to 28 cm long
54
Layers of tissue of the ureter
Fibrous coat muscular coat mucosa

Histology Class MD1 (19 decks)

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