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Pelvis > Urinary bladder and male internal genetalia > Flashcards

Urinary bladder and male internal genetalia Flashcards

1
Q

How is the bladder related to the peritoneum

A

Lies in extraperitoneal fat

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2
Q

Where is the badder in adults vs. infants

A

Adults - lesser pelvis

Inflants = abdomen

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3
Q

What is the shape of the bladder

A

Tetrahedral

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4
Q

What are the different parts of the bladder

A 
Apex
Body
Fundus/base
Neck
Uvula - trigone projections
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5
Q

What are the surfaces of the bladder

A

Superior
Inferolateral
Posterior

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6
Q

What makes up the trigone of the bladder

A

Two ureteric openings

Internal urethral opening

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7
Q

What is characteristic of the histological structure of the trigone of the bladder

A

Mucosa is smooth

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8
Q

What are the characterists of the bladder wall

A

Made of detrusor muscle (Smooth Muscle)

Neck contains the Internal spincter

At the opening of the ureter - there is no backflow of urine

  • efficient sphincter
  • angle

Mucosa is folded into rugae

Vesical (bladder) fascia is made of Loose CT

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9
Q

What are the relations of the bladder

A

Superior:

  • peritoneum
  • Ileum
  • sigmoid colon

Inferolateral

  • Obturator internus muscle
  • Superior vesical artery and vein
  • Levator Ani muscle
  • Obturator nerve, artery and vein

Anterior:

  • Retropubic space
  • Pubic crest

Posterior (male):

  • seminal vesicles
  • ampulla of ductus deferens
  • retrovesical pouch
  • ampulla of rectum

Inferior (male)
-prostate gland

Posterior (female):

  • anterior wall of vagina
  • cervix

Posteriosuperior (female)

  • uterovesical pouch
  • body of uterus

Please like some old sucker’s leggings.
On roads, people seem adiment about reversing.
Allow people’s children unwarmed bread.

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10
Q

What is the arterial supply of the bladder

A

Superior Vesical Aa. (from Umbilical A.)
-Supplies Anterosuperior Part

Uretral Branches (from Superior Vesical Aa.)

Inferior Vesical A. / Vaginal A.

Prostatic Branches (from Inferior Vesical A. - Males Only)

LOOK AT SCHEMATIC PICTURE IN LECTURE SLIDES

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11
Q

What is the venous drainage of the bladder

A

Vesical venous plexus (into Int. Iliac Plexus)

Males - Prostatic Plexus
Females - Uterovaginal Plexus

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12
Q

What is the lymphatic drainage of the bladder

A

Superior:
-Ext. Iliac LN

Fundus:
-Int. Iliac LN

Neck/Urethra:

  • Sacral LN
  • Common Iliac LN
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13
Q

What is the innervation of the bladder

A

Parasympathetic:

  • Inferior Hypogastric Plexus
  • Contracts detrusor muscle
  • Relaxes internal sphincter

Sympathetic:
- T11-T12

LOOK AT SCHEMATIC PICTURE IN LECTURE SLIDES

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14
Q

What are the four parts of the Urethra

A

Preprostatic (bladder neck)
Prostatic
Membranous
Spongy

These parts are found only in males

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15
Q

How long is the Preprostatic part of the Urethra (Males)

A

1-1.5cm

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16
Q

Describe the GENERAL structure of the Prostatic part of the Urethra. (Males)

A

3-4cm long

Most dilatable

Widest

Posterior wall internally

17
Q

What are the structures that are found in the Prostatic part of the Urethra (Males)

A

Urethral crest

NBProstatic sinus - ductules of the gland

Seminal Colliculus (opening)

NBProstatic Utricle (uterine primodium)

Ejactulatory ducts into utricle (or adjacent it)

18
Q

What is the general structure of the urethra in females?

A

4cm

Anterior to vagina

Traverses the pelvic diaphragm

Contains paraurethral glands

Opens into vestibule

19
Q

In males, how long is the Ductus Deferens

A

20-25cm long

20
Q

What are the attachments of the Ductus Deferens

A
  • Tail of epididymis
  • Ejaculatory duct

Ampulla:

  • Near Ejaculatory Duct –> into Prostatic Urethra
  • Connects Ductus Deferns with Seminal Vesicle duct
21
Q

What is the arterial supply of the Ductus deferens

A

Deferential A.

22
Q

How long are the seminal vesicles

A

5cm

23
Q

What are the relations of the seminal vesicles

A

Rectum lies behind

24
Q

What is the blood supply of the seminal vesicles

A

Inferior Vesical A

Middle Rectal A.

25
Q

Explain the formation, ending and structure of the Ejactulatory Ducts

A

Formed from union of Ductus Deferens with Duct of Seminal Vesicle

Converge and open on seminal colliculus (on prostatic utricle)

2,5cm

26
Q

What is the blood supply and venous drainage of the Ejaculatory ducts

A

Arterial supply:
Deferential Aa.

Venous drainage:

  • Prostatic plexus
  • Vesical Plexus
27
Q

What are the relations of the Prostate Gland?

A

Directly behind inferior edge of pubic symphysis

28
Q

What is the lobular composition of the Prostate Gland

A

Two lateral lobes

Anterior lobe (isthmus):
-connecting lateral lobes anteriorly

Posterior lobe:

  • below ejaculatory ducts
  • posterior to urethra

Middle lobe:
-Between urethra and ejaculatory ducts

29
Q

How much of the semen does the prostate gland produce?

A

20%

30
Q

Where does the duct of the prostate gland open?

A

Prostatic sinus

31
Q

What is the arterial supply of the Prostate gland

A

Prostatic arteries (from inferior vesical a.)

32
Q

Where are the bulbourethral glands

A

Lie in external urethral sphincter

Opens into spongy urethra

33
Q

When does the bulbourethral gland secrete

A

During sexual arousal

34
Q

What are the clincal implications of the bladder

A

Damaged with pelvic fractures

Problems with micturation (discharge of urine) usually due to cancers

35
Q

What are the clinical implications with the male internal genetalia

A

Problems with ejaculation

Prostatic Carcinomas and Benign Tumours thereof

Pelvis (9 decks)

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