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122 > Midterm | Ureters, UB, Urethra > Flashcards

Midterm | Ureters, UB, Urethra Flashcards

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1
Q

Main function of the ureters

A

Transports urine from the renal pelvis of one kidney to the urinary bladder

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2
Q

LENGTH AND DIAMETER OF URETERS

A

LENGTH: 25-30 cm (10-12 in.)
DIAMETER: 1 mm to 10 mm

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3
Q

SHAPE OF THE URETERS

A

THICK-WALLED NARROW TUBE

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4
Q

LOCATION OF URETERS

A

RETROPERITONEAL
ANTERIOR TO PSOAS MUSCLE

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5
Q

VALVES OF URETERS

A

NO ANATOMICAL VALVE

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6
Q

NORMAL CONSTRICTIONS OF THE URETERS

A
  1. URETROPELVIC JUNCTION
  2. BRIM OF PELVIS
  3. URETEROVESICAL JUNCTION
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7
Q

Constriction of the ureter at which the renal pelvis funnels down into the small ureter

A

URETROPELVIC JUNCTION

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8
Q

Constriction of the ureter where the iliac blood vessels cross over the ureters

A

PELVIC BRIM (BRIM OF PELVIS)

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9
Q

Constriction of the ureter where the ureter joins the bladder

A

URETEROVESICAL JUNCTION

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10
Q

LAYERS OF THE URETERS

A

MUCOSA
MUSCULARIS
ADVENTITIA

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11
Q

Layer of the ureter close to the lumen

A

Mucosa

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12
Q

URETER MUSCOSA IS A MUCOUS MEMBRANE WITH

A
  1. TRANSITIONAL EPITHELIUM
  2. LAMINA PROPIA of areolar connective tissue with considerable collagen, elastic fibers, and lymphatic tissue
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13
Q

Steetches to accomodate the variable amount of fluid

A

TRANSITIONAL EPITHELIUM

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14
Q

INTERMEDIATE COAT OF THE URETERS

A

MUSCULARIS

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15
Q

MAIN FUNCTION OF THE MUSCULARIS OF THE URETERS

A

PERISTALSIS

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16
Q

MUSCULARIS OF THE URETERS IS COMPOSED OF

A
  1. INNER LONGITUDINAL SMOOTH MUSCLE
  2. OUTER CIRCULAR SMOOTH MUSCLE
  • DISTAL THIRD CONTAINS
    3. ADDITIONAL OUTER LONGITUDINAL
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17
Q

SUPERFICIAL COAT OF THE URETERS

A

ADVENTITA

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18
Q

ADVENTITA is a layer of (1) containing (2), (3), and (4)

A
  1. areolar connective tissue
  2. blood vessels
  3. lymphatic vessels
  4. nerves
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19
Q

Storage organ that temporarily stores urine until convenient to discharge from body

A

URINARY BLADDER

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20
Q

AVERAGE CAPACITY OF THE URINARY BLADDER

A

300-500mL (Bontrager)
700-800mL (Tortora)

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21
Q

SHAPE OF URINARY BLADDER

A

PEAR-SHAPED: distended

TETRAHEDRAL: empty

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22
Q

LOCATION OF URINARY BLADDER

A

In the pelvic cavity
Posterior to pubic symphysis

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23
Q

How do you locate the pubic smphysis without palpation?

A

Locate the midline of the anterior superior iliac spine (ASIS)

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24
Q

LOCATION OF URINARY BLADDER (MALE)

A

ANTERIOR TO RECTUM

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25
LOCATION OF URINARY BLADDER (FEMALE)
ANTERIOR TO VAGINA AND INFERIOR TO UTERUS
26
ANATOMY OF THE URINARY BLADDER
1. TRIGONE 2. URETERAL OPENINGS 3. INTERNAL URETHRAL ORIFICE
27
Small triangular area in the floor of the bladder
TRIGONE
28
2 posterior corners of the trigone; opening of the ureters
URETERAL OPENINGS
29
Part of the urinary bladder that lies in the anterior corner
INTERNAL URETHRAL ORIFICE
30
LAYERS OF THE URINARY BLADDER
MUCOSA MUSCULARIS ADVENTITIA SEROSA
31
MUCOSA of the URINARY BLADDER is composed of
1. Transitional epithelium 2. Lamina propria
32
Where is the rugae of the UB located?
Mucosa * Rugae is also known as mucosal folds
33
Intermediate layer of the urinary bladder
MUSCULARIS
34
Other term for the muscularis of the UB
Detrusor muscle
35
The muscularis of the UB contains 3 layers of (1) namely, 2. 3. 4.
1. smooth muscles 2. inner longitudinal 3. middle circular 4. outer longitudinal
36
superficial layer of the urinary bladder
ADVENTITIA
37
layer of areolar connective tissue in the urinary bladder that is continuous with the ureters
ADVENTITIA
38
layer of the urinary bladder that is also the layer of visceral peritoneum
SEROSA
39
drainage tube that transports stored urine from body
URETHRA
40
FUNCTIONS OF THE MALE URETHRA
1. PASSAGEWAY OF URINE 2. PASSAGEWAY OF SEMEN
41
FUNCTION OF FEMALE URETHRA
PASSAGEWAY OF URINE
42
LENGTH OF THE MALE AND FEMALE URETHRA
M: 17.5 - 20cm (8 in.) F: 4cm (1.5 in.)
43
SHAPE OF THE MALE AND FEMALE URETHRA
M: SMALL TUBE F: SMALL TUBE
44
LOCATION OF THE MALE URETHRA
- extends from internal urethral orifice - to the prostate, then through the deep muscles and penis
45
LOCATION OF THE FEMALE URETHRA
- posterior to pubic symphysis - directed obliquely, inferiorly, and anteriorly
46
THREE ANATOMICAL REGIONS OF THE MALE URETHRA
1. PROSTATIC URETHRA 2. INTERMEDIATE (MEMBRANOUS) URETHRA 3. SPONGY URETHRA
47
Differentiate the 3 anatomical regions of the MALE urethra in terms of what they pass through
PROSTATIC URETHRA: passes through the prostate INTERMEDIATE (MEMBRANOUS) URETHRA: through the deep muscle of the perineum SPONGY URETHRA: passes through the penis
48
Shortest portion of the region of the male urethra
INTERMEDIATE (MEMBRANOUS) URETHRA
49
Longest portion of the region of the male urethra
SPONGY URETHRA
50
EPITHELIUM OF THE PROSTATIC URETHRA
transitional epithelium
51
EPITHELIUM OF THE INTERMEDIATE (MEMBRANOUS) URETHRA
stratified columnar or pseudostratified columnar epithelium
52
EPITHELIUM OF THE SPONGY URETHRA
stratified columnar or pseudostratified columnar epithelium
53
EPITHELIUM OF SPONGY URETHRA FOR URETHRAL MEATUS
nonkeratinized stratified squamous epithelium
54
lamina propria of the male urethra
areolar connective tissue with elastic fibers and plexus of veins
55
MUSCULARIS OF THE PROSTATIC URETHRA
circular smooth muscle fibers
56
MUSCULARIS OF THE INTERMEDIATE (MEMBRANOUS) URETHRA
circularly arranged skeletal muscle fibers of the deep muscles
57
MUSCULARIS OF THE SPONGY URETHRA
corpus spongiosum
58
LAYERS OF THE FEMALE URETHRA
MUCOSA MUSCULARIS
59
Deep layer of the female urethra
MUCOSA
60
Mucous membrane of the mucosa of the female urethra is composed of
epithelium and lamina propia
61
Muscularis of the female urethra consists of (1)-arranged (2) and is continuous with that of the (3)
1. circularly 2. smooth muscle fibers 3. urinary bladder
62
Factors that pushes urine from the renal pelvis to the UB
1. Gravity 2. Hydrostatic pressure 3. Peristaltic contraction

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