student made Ureter, bladder & urethra lab summary

1. Identifications Mention
Ureter / Ureter part Side, Length, Constrictions, Parts, Relations, Blood supply, LNs
Bladder Ligaments, Relations, Nerves, Blood supply, LNs, Sphincter and its Nerve Supply
Apex / Neck of Bladder -
Surfaces / Base of Bladder Relations
Urethra (Male / Female) Parts, Sphincters and their Nerve supply, Blood supply, LNs
URETER BLADDER URETHRA,
*Keep in mind Side, Part & Gender In the Question and Model

2. URETER
Length 25 cm long
Constrictions Pelvi-ureteric junction Termination of common iliac A. Urinary bladder wall At level of ischial spine
Parts Abdominal Pelvic
Abdominal Part
Relations
Anterior Posterior
Right Left - Psoas major muscle.
- Genitofemoral nerve.
- Termination of common iliac a.
- Tips of transverse processes of lumbar vertebrae
- D3 of duodenum.
- Rt. gonadal vessels.
- Rt. colic & ileocolic vessels.
- Superior mesenteric vessels.
- Root of mesentery.
- Terminal ileum.
- Left gonadal vessels.
- Left colic & sigmoid vessels.
- Sigmoid mesocolon.
- Sigmoid colon.
Medial
Right ureter: - Inferior vena cava.
Left ureter: - Inferior mesenteric vein.
Blood supply Branches from: Renal A. - Abdominal aorta - Gonadal A. - Common iliac A. Veins Corresponding to arteries
LNs Para-Aortic LNs
Pelvic Part
Relations
Anterior (crossed by) Posterior
In male: Vas deferens In female: Uterine vessels.
- External iliac vessels. - Umbilical A.
- Obturator nerve & vessels.
- Fascia covering obturator internus.
Blood supply - Superior vesical A. - Inferior vesical A.(Male) - Vaginal and Uterine A.(Female) > All from Internal iliac A.
LNs Internal iliac LNs Veins Corresponding to arteries
• At least 3 of each listing

3. BLADDER
Ligaments
Lateral puboprostatic ligament (Male)
Lateral pubovesical ligament (Female)
Medial puboprostatic ligament (Male)
Medial pubovesical ligament (Female)
Median umbilical ligament
Sphincter Internal urethral sphincter (sphincter vesicae) → Parasympathetic from S2,3,4 & Sympathetic from T11 - L2 (Autonomic)
Blood supply
In male: Superior & Inferior vesical A.
> All from Internal iliac A.
Veins
Male &
Female
Vesical plexus to
Internal iliac veinIn female: Superior vesical & Vaginal A.
Nerve supply Parasympathetic from S2,3,4 & Sympathetic from T11 - L2
LNs External, Internal & Common iliac LNs.
Relations
Base Superior surface Infero-Lateralsurface
In male:
- Peritoneum of recto-vesical pouch.
- Rectum
- Seminal vesicles & Vas deferens.
In male:
- Sigmoid colon
- Loops of ileum covered by peritoneum. - Body of pubis
- Obturator internus M.
- Levator ani M.
- Obturator nerve & vessels.
In female:
- Anterior wall of vagina.
In female:
- Anterior surface of uterus
- Loops of ileum in utero-vesical pouch.
• At least 3 of each listing

4. URETHRA
Sphincters
Male & female
- Internal urethral sphincter → Parasympathetic from S2,3,4 & Sympathetic from T11 - L2 (Autonomic)
- External urethral sphincter → Pudendal nerve S2,3,4 (Somatic)
Parts (Male) Preprostatic Prostatic Membranous Spongy (penile)
Blood supply
For each part
Inferior vesical A. & Middle rectal A. Urethral A. & Inferior vesical A.
LNs
For each part
Internal iliac LNs.
Deep & Superficial inguinal
LNs
Blood supply (Female) Urethral A. & Vaginal A.
LNs (Female) Internal iliac LNs.
Source of Blood supply
For Male & Female
All From Internal iliac A.
Veins
For Male & Female
Corresponding to arteries.

5. Ureter

6. Ureter

7. Ureter
Bladder
Male Urethra: Preprostatic
Male Urethra: Prostatic
Superior surface (Bladder)
Inferolateral surface (Bladder)
Neck of Bladder

8. Apex of Bladder 0
Superior surface (Bladder) 1
Inferolateral surface (Bladder) 2
Neck of Bladder 3
Base of Bladder 4
Female Urethra 5
Male Urethra: Preprostatic 6
Male Urethra: Prostatic 7
1
12
2
2
2
4
4
4
5
6
7
3
3
0
0
0
0

9. Female Urethra 5
Male Urethra: Preprostatic 6
Male Urethra: Prostatic 7
Male Urethra: Membranous 8
Male Urethra: Spongy (penile) 9
Apex of Bladder 0
Superior surface (Bladder) 1
Inferolateral surface (Bladder) 2
Neck of Bladder 3
Base of Bladder 4
0
0
1
1
2
23 3
4
4
5
6
7
8 9

10. Apex of Bladder 0
Superior surface (Bladder) 1
Inferolateral surface (Bladder) 2
Neck of Bladder 3
Base of Bladder 4
0
0
1
1
2
2
3
3
4
4
5
6
7
9
8
BladderBladder
Female Urethra 5
Male Urethra: Preprostatic 6
Male Urethra: Prostatic 7
Male Urethra: Membranous 8
Male Urethra: Spongy (penile) 9

11. Apex of Bladder 0
Superior surface (Bladder) 1
Inferolateral surface (Bladder) 2
Neck of Bladder 3
Base of Bladder 4
Female Urethra 5
Male Urethra: Preprostatic 6
Male Urethra: Prostatic 7
Male Urethra: Membranous 8
Male Urethra: Spongy (penile) 9
0
0
1
1
2
2
3
4
4
3
5
6
7
8
9
A A
B
B
Ureter: Abdominal part A
Ureter: Pelvic part B

12. In female: Superior vesical & Vaginal A
All from Internal iliac A.
BLADDER
Male Urethra: Preprostatic – Prostatic – Membranous - Spongy (penile)

13. by two ureteric orifices and the internal urethral orifice.
Trigone of bladder
Male Urethra: Prostatic Part
Left Ureter
Abdominal part: Para-Aortic LNs
Pelvic part: Internal iliac LNs
Branches from: Renal A. - Abdominal aorta - Gonadal A. - Common iliac A.