Aorta abdominalis, v. cava caudalis, v. portae Flashcards
MAIN Branches of the aorta abdominalis
● A. phrenica caudalis ● Aa. Lumbales 1. ● A. Coeliaca 2. ● A. Mesenterica cranialis 3. ● A. Mesenterica caudalis
Branches of the aorta abdominalis + termination
- ● Aa. Lumbales
- ● A. Coeliaca
- ● A. Mesenterica cranialis
4.● Aa. Renales - ● Aa. Testiculares / aa. Ovaricae
- ● A. Mesenterica caudalis
- ● A. Iliaca externa dextra et sinistra
- ● A. Iliaca interna dextra et sinistra
○ A. Sacralis mediana
MAIN Branches of the aorta abdominalis
1. ● A. Coeliaca
- ○ A. Gastrica sinistra
- ○ A. Hepatica
■ A. Gastrica dextra
■ A. Gastroduodenalis dextra
● A. Gastroepiploica dextra
● A. Pancreaticoduodenalis cranialis - ○ A. Lienalis
■ A. Gastroepiploica sinistra
MAIN Branches of the aorta abdominalis
● A. Mesenterica cranialis
- ○ A. Pancreaticoduodenalis caudalis
- ○ Aa. Jejunales
3.○ A. Ileocolica
■ Aa. Caecales
■ Aa. Ilei
■ Ramus colicus
- ○ A. Colica media
MAIN Branches of the aorta abdominalis
3. ● A. Mesenterica caudalis
- A. Colica sinistra
2. A.Rectalis cranialis
ODD BRANCHES of Aorta ABD.
- ● A. Coeliaca
- ● A. Mesenterica cranialis
- ● A. Mesenterica caudalis
PAIRED BRANCHES of Aorta ABD.
- ● Aa. Renales
- ● Aa. Testiculares / aa. Ovaricae
- ● A. Mesenterica caudalis
- ● A. Iliaca externa dextra et sinistra
- ● A. Iliaca interna dextra et sinistra
Aorta ABD. terminates as the
○ A. Sacralis mediana ?
from A. ILIACA INTERNA?
AORTA ABD. branches in order CRAN->CAUD
- A. COELICA
a. A.Hepatica
b. A. Lienalis
c. A. Gastrica - A. MESENTERICA CAUDALIS
a. Iliocolica
b. Coelica media
c. Coelica dextra
d. Pancreatico duodenale caudale
e. Jejunalis
(M. PHRENICOABDOMINALIS)
a. Phrenica caudalis
b. Abdominalis cranialis
- A.RENALIS
(AA. LUMBALES)
- OVARICA/TESTICULARIS
- MESENENTERICA CAUDALIS
a. Coelica sinistra
b. Rectalis cranialis
CIRCUMFLEX ILEUM PROFUNDA
- A. ILIACA EXTERNA
a. Profunda femoris
b. Femoralis
c. Circumflexa femoris med - A. ILIACA INTERNA
a. Umbilicalis
b. Glutea Caudalis
c. Pudenda interna - SACRALIS MEDIA
AORTA ABD. vs VENA CAVA CAUDALIS:
Inter sp.
AORTA ABD - V.CAVA CAUD
a.phrenica cran(EQ) - v.phrenica cran(all)
DIAPRAGMA THROUGH:
Hiatus Aortae - For. Vena cavae
aa. Lumbales - Vv. Lumbales
- rr. phrenici (ru) - V. Cavae caud
- rr. Adrenalis (ru) - V. Iliaca
- r. Spinalis - V. azygos
- r. Dorsalis
- r. Cutaneus med/lat
A. COELICA - Vv. HEPATICA
- A. Hepatica - In sulcus v. Hepatis
- A. Lienalis
- A. Gastrica Sin
Ru: A.Ruminalis sin
A. MESENTERICA CRAN
Ru: Common tube W/
A. COELICA
A. Phrenicoabdominalis - V.phrenicoabdom
- A. Phrenica cran
(Ca, Ø EQ)
- A. Abd. Cranialis
L3
A. RENALIS - V. RENALIS (LEFT)
A. Adrenalis(ca) - V. Testicularis/Ovarica (L)
A. Testicularis/ovari - V. TEST/OVARICA
L5
A. MESENTERICA CAUDALIS -
V. Ovarica/testicularis DEXTER
Drains into?
V.CAVA CAUD
V. Ovarica/testicularis SINISTER
Drains into?
V. RENALIS SINISTER —> V.CAVA CAUD
In which species do we find:
A. Phrenica Cranialis
EQ
A. Phrenicoabdominalis gives of
- A. Phrenica Caudalis
Ca: YES
EQ: NO
A. Adrenalis is found in which species?
Ca
Branches of the Aa. Lumbalis in Ruminants
- Rr. Phrenicii
2. Rr. Adrenalis
TERMINATION interspecial Diff:
CA:
CA: ARTERIES: - A. ILIACA EXTERNA / INTERNA \+ A. CIRCUMFLECA ILEUM PROFUNDA: Leaves the abd. aorta independently
VEINS:
V. ILIACA INTERNA drains into
- V. ILIOLUMBALIS
V. ILISCA EXTERNA too?
-V. CIRCUMFLECA ILEUM PROFUNDA:
Independenrtly
TERMINATION interspecial Diff:
UN:
ARTERIES:
A. ILIACA EXTERNA Gives off:
A. CIRCUMFLECA ILEUM PROFUNDA:
INTERNAL ILIAC Independantly
VEINS: V. ILIACA INTERNA V. ILISCA EXTERNA CIRCUMFLECA ILEUM PROFUNDA: Drains into: V. ILIACA COMMUNIS
Vena cava caudalis
In general
● Begins at level of last lumbar vertebra by convergence of the median sacral vein
and common iliac veins
● Caudal vena cava passes cranilly along the roof of the abdomen to the right of the
aorta
● Joined by RENAL veins and SEGMENTAL veins of LUMBAR SPINE before it continues
BETWEEN the LOBES of the LIVER
● IN its joined by HEPATIC VEINS and veins from the DIAPHRAGM
● Enters the thorax by passing through the diaphragm through FORAMEN VENACAVAE,
pursues course through special pleural fold: PLICA VENAE CAVAE, accompanied by
PHRENIC NERVE
Vena portae
In general
● Collects blood from ALL UNPARIED ORGANS in the abdominal cavity and transports it to
the LIVER = the PORTAL SYSTEM
● 3 ROOT VESSELS of the PORTAL VEIN:
- Cranial mesenteric veins,
- Caudal mesenteric veins,
- Splenic veins
● In the liver, the portal vein DEVIDES to form LIVER SINUSOIDS, blood filled cavities
enclosed by sheets of hepatic cells
● Sinusoid blood is COLLECTED in the CENTRAL VEIN , which is the beginning of the EFFERENT venous system of the liver
● Central veins form interlobular veins , form the HEPATIC VEINS , which EMPTY in the
CAUDAL VENA CAVAE!!
A. COELICA in GENERAL
- 1st branch to leave the abdominal AORTA
- ODD BRANCH
- Bloodsupply to the digestive system together with the A. Messenterica
- Arrises from:
CA, OX: L1
EQ, SU: Th17-18
Bloodsupply off:
1. STOMACH
2. LIVER
3. SPLEEN
4. PANCREAS
5. Decsending DUODENUM
MAIN BRANCHES:
- Splenica (Lienalis)
- Hepatica
- Gastrica Sinistra
Ru: Long Celiac artery
--> A.Ruminalis Sinistra/Dextra
Su: Celiac
--> A. Hepatica
--> A. Lienalis
- A. Gastrica Sinistra
A. Lienalis
EX. A. COELIACA --> Spleen MONOGASTRIC: 1. A.Gastroepiploica sinistra --> Omentum Major. Anastomoses with A. Gastroepiploica Dextra.
RU:
A. Ruminalis dextra
Rr. Pancreatici
(But A.Gastroepiploica sinistra EX. Gastrica sinistra)
A. Gastrica Sinistra
Reaches Cardia via Lig. Gastrophrenica
- Runs along the lesser curvatura
- Anastomosis w/ A. Gastrica dextra
Ru: On right side of rumen –> Abomasum
A. Hepatica
Rr. Hepatica –> Liver
Nutrient vessel O2++
- A.Gastrica dextra
- -> Lesser curvature + A. Gastrica Sinistra
- A.Gastrica dextra
2- A.Gastroduodenalis
Major curvature + ommentum MINUS
+ A. Gastoepiploica dextra
a- A. Gastroepiploica dextra
b- A. Pancreaticoduodenalis
Cranial part of duodenum and pancreas
