Vessels Flashcards
What is the name of the first part of the aorta?
What are the branches of arcus aortae?
aorta ascendens
arcus aortae:
-
truncus brachiocephalicus
- a. subclavia dextra
- a. carotis communis dextra
- a. carotis communis sinistra
- a. subclavia sinistra
in 10%: either as 4th branch/arcus aorticus: a. thyroidea ima → thyroid gland
List the branches of the abdominal aorta in craniocaudal direction.
Where do they end (only paired branches)?
parietal branches
- a. phrenica inferior (2) → diaphragm
- aa. lumbales (8) → a. intercostales
visceral branches
- truncus coeliacus below hiatus aorticus
- a. mesenterica superior below pancreas
- a. suprarenalis media (2) → adrenal glands
- a. renalis (2) at L2 → a. suprarenalis inf.
- a. testicularis/ovarica (2) → spermatic cord/ovaries
- a. mesenterica inferior above bifurcatio aortae
end branches
- a. sacralis mediana on sacrum → (5) a. lumbalis
- a. iliaca communis at L4 → a. iliaca int./ext.
List the branches of truncus coeliacus.
What does it supply?
⇒ supplies upper abdominal organs
- a. gastrica sin. → anastomosis with a. gastrica dex. in curvatura minor
- a. hepatica communis
- a. splenica
List the branches of a. hepatica communis
→ 2nd generation
-
a. hepatica propria → liver
- a. cystica → gall bladder
- a. gastrica dex. → anastomosis with a. gastrica sin. in curvatura minor
-
a. gastroduodenalis
- a. gastroomentalis dex. → anastomosis with a. gastroomentalis sin. in curvatura major
- a. pancreaticoduodenalis sup. ant./post. → LESSER RIOLAN anastomosis with inf. ant./post.
List the branches of a. splenica.
- rr. pancreatici + a. pancreatica dorsalis → corpus/tail of pancreas
- a. gastroomentalis sin. → anastomosis with a. gastroomentalis dex. in curvatura major
- aa. gastrici breves → cardia/fundus of stomach
- rr. splenici → spleen
List the branches of a. mesenterica superior.
What does it supply?
⇒ supplies distal duodenum, entire small intestine, large intestine until 2/3 of colon transversum
-
a. pancreaticoduodenalis inf.
- ant./post. → LESSER RIOLAN anastomosis with a. pancreaticoduodenalis sup. ant./post.
- 4-5 aa. jejunales + 12 aa. ileales → jejunum, ileum
- a. colica media → GREATER RIOLAN anastomosis with a. colica sin.
- a. colica dextra → colon ascendens
- a. ileocolica
List the branches of a. ileocolica.
- r. colicus → colon ascendens
- r. ilealis → ileum
- a. appendicularis → appendix vermiformis
- a. caecalis ant./post. → cecum
List the branches of a. mesenterica inferior.
What does it supply?
⇒ supplies left colon
- a. colica sin. → GREATER RIOLAN anastomosis with a. colica media → colon descendens
- aa. sigmoideae → SUDECK anastomosis with a. rectalis sup. → colon sigmoideum
- a. rectalis sup. → cf. aa. sigmoidea → upper part of rectum, corpus cavernosum recti
Where are important arterial anastomoses in the abdominal cavity?
- LESSER RIOLAN anastomosis: truncus coeliacus + a. mesenterica sup. via aa. pancreaticoduodenales
- GREATER RIOLAN anastomosis: a. mesenterica sup./inf. via a. colica med./sin.
- SUDECK anastomosis: anastomosis btw a. rectalis sup. + a. sigmoidea
1 - 5/6
1) pars abdominalis aortae
2) r. oesophagealis
3) truncus coeliacus
4) a. gastrica sin.
5+6) aa. gastricae breves
7 - 11
7) a. splenica
8) a. gastroomentalis sin.
9) a. pancreatica magna
10) a. caudae pancreatis
11) a. gastroomentalis dex.
12 - 16
12) a. splenica
13) a. gastrica dextra
14) a. hepatica communis
15) a. hepatica propria
16) a. cystica
17 - 21
17) a. gastroduodenalis
18) a. pancreatica dorsalis
19) a. supraduodenalis
20) a. pancreaticoduodenalis sup. post.
21) a. pancreaticoduodenalis sup. ant.
22 - 26/27
22) a. mesenterica sup.
23) a. pancreaticoduodenalis inf.
24) a. mesenterica inf.
25) a. colica sin.
26+27) aa. sigmoideae
28 - 32/33
28) a. rectalis inf.
29) a. rectalis sup.
30) a. colica med.
31) a. colica dex.
32+33) aa. jejunales
34 - 37
34) a. ileocolica
35+36) aa. ileales
37) a. appendicularis
List the tributaries of v. portae.
Where do they originate from?
⇒ receives blood from unpaired abdominal organs
- v. cystica (from gall bladder)
- vv. paraumbilicales (accompany lig. teres hepatis from abd. wall)
- v. gastrica dex./sin. (from stomach)
- v. pylorica (from pylorus)
- v. pancreaticoduodenalis sup. post. (from head of pancreas)
- v. splenica (from spleen, parts of pancreas/stomach)
- v. mesenterica superior (from duodenum, small intestine, parts of colon/stomach)
- v. mesenterica inferior (from colon/rectum)
List the tributaries of v. splenica.
- vv. gastricae breves (from fundus/upper part of curvatura major)
- v. gastroomentalis sin.
- v. gastrica posterior (not always)
- vv. pancreaticae (esp. from tail of pancreas)
List the tributaries of v. mesenterica superior.
- v. gastroomentalis dex. + vv. pancreaticoduodenales
- vv. pancreaticae (from head + corpus of pancreas)
- vv. jejunales, ileales
- v. ileocolica
- v. colica dextra
- v. colica media
List the tributaries of v. mesenterica inferior.
- v. colica sin.
- v. sigmoidea
- v. rectalis sup. (anastomosis with v. rectalis med./inf.)
List the portocaval anastomoses.
- btw esophagus/cardia
- around navel
- at rectum
- retroperitoneal
Which vessels from the portocaval anastomosis btw esophagus and cardia?
Which vv. belong to the portal, which to the caval system?
Why is it clinically relevant?
vv. gastricae (portal) + vv. esophageales (caval) → v. azygos/v. hemiazygos → v. cava superior
⇒ can cause esophageal varices
Which vessels from the portocaval anastomosis around the navel?
Why is it clinically relevant?
vv. paraumbilicales → v. epigastrica sup./inf. → v. thoracoepigastrica/v. epigastrica superficialis → v. cava superior
⇒ can cause caput medusae syndrome
Which vessels form the portocaval anastomosis at the rectum?
Which vv. belong to the portal, which to the caval system?
Why is it clinically relevant?
v. rectalis sup. (portal) + v. rectalis med./inf. (caval) → v. iliaca int. → v. cava inferior
⇒ can cause hemorrhages