Credit test 2: Vessels Flashcards
What’s the divisions of the aorta?
Aorta ascendens Arcus aortae Aorta descendens; - Aorta thoracica - Aorta abdominalis
Origin of truncus brachiocephalicus?
Arcos aortae
+ a. sublavia sinistra in Su, Car which an is independent in these two species
What’s the division of Truncus brachiocephalichus?
Generally;
- Truncus bicaroticus (Not in Car)
- a. carotis communis dexter
- a. carotis communis sinister - a. subclavia dextra
- a. subclavia sinistra
In Car and Su the a. subclavia sinistra arises more from arcus aorta.
What are the branches of a. subclavia?
6 branches;
- Truncus costocervicalis
- a. vertebralis
- a. cervicalis superficialis
- a. thoracica interna
- a. axillaris
- Truncus thyrocervicalis (Only in Sus)
What are the branches of Truncus costocervicalis?
a. intercostalis suprema
a. scapularis dorsalis
a. cervicalis profunda
What are the branches of a. cervicalis superficialis?
r. deltoideus
r. ascendens
r. prescapularis
r. suprascapularis
What are the branches of a. thoracica interna?
- rr. thymici
- rr. mediastinales
- rr. perforantes
- rr. intercostales ventrales
- rr. mammarii; In Car, Sus
- a. pericardiacophrenica
- a. musculoprenica
- a. epigasatrica cranialis
What are the branches of Truncus thyrocervicalis?
- a. thyroidea caudalis dextra
- a. cervicalis superficialis dextra
(Situated only on the right side; of a. subclavia dextra)!!!
Main continuation of a. subclavia?
a. axillaris
Supplying thoracic limb
What form’s the a. basilaris?
The two a. vertebralis running from each side of the neck by fusion.
Through canalis vertebralis –> Formanen magnum of the skull.
In many cases anastomoses with a. occipitalis in the atlas region.
Main continuation of a. cervicalis superficialis?
r. ascendens
Supply; M trapezius cervicis and ln. cervicales superficiales
Imp branch for supply of diaphragm, pericard and muscles of thoracic wall and the structures within the thoracic cavity?
a. thoracica interna
What’s the origin of aorta thoracica?
Runs from 6th vertebrae to the diaphragm. In caudal mediastinum, space behind the heart
What’s the branches of aorta thoracica?
aa. intercostales dorsales with it’s 4 branches;
- r.dorsalis
- r. spinalis
- rr. cutanei
- rr. phrenici
Wha’ts the continuation of vena cava cranialis?
Enters right atrium through the sinus venosus
What’s the v. cava cranialis built up by?
vv. subclavia sinister et dexter
vv. jugulares externae dexter et sinistra
What drains the blood from head and neck?
vv. jugulares
What drains the thorax?
Mainly v. subclavia
Describe the aorta abdominalis?
Continuation of the aorta thoracica.
Starts from hiatus aorticus of the diaphragm. Runs behind diaphragm.
At the last lumbar vertebrae it divides into branches supplying the pelvic limbs and pelvic cavity
What’s the branches of aorta abdominalis?
Generally;
- a. phrenica caudalis: Not Eq since has cranialis instead
- a. abdominalis cranialis
- a. coeliaca
- a. mesenterica cranialis
- aa. renales
- aa. ovaricae/testiculares
- a. mesenterica caudalis
- aa. lumbales
- a. sacralis mediana
a. subclavia sinistra is a branch of?
It’s a branch of truncus brachiocephalicus in Ru and Eq.
In Su and Car it will arise from Arcus aortae
What’s the differences between speicies when it comes to a. phrenica caudalis?
Not in Eq. They instead have a. phrenica cranialis.
Supply dorsal part of diaphragm
In which animals do we find a. abdominalis cranialis?
Su and Ca.
Supplying abdominal wall
Which is an important branch of aorta abdominalis?
a. coeliaca for organs of abdominal cavity
What’s the branches of a. coeliaca?
a. lienalis
a. gastrica sinistra
a. hepatica
What does a. coeliaca supply?
Stomach, liver, spleen, pancreas and part of duodenum.
The organs of abdominal cavity
What does the main branches of a. coeliaca form an in which species?
The Tripus coeliacus
In Car, Eq, Su.
In Sus no Tripus but same 3 branches
a. lienalis is a branch of and further branches into?
Branch of a. coeliaca
Further branches into a. gastroepiploica sinistra which further divides into;
- aa. gastricae brevis
- rr. pancreatici
Which artery runs along curvatura ventriculi majus of stomach?
a. gastroepiploica sinistra / dextra
Runs on abomasi in RU
Which artery runs along curvatura ventriculi minor of stomach?
a. gastrica sinistra / dextra
What’s the branches of a. hepatica?
(Branch of a. coeliaca)
rr. pancreatici
a. gastrica dextra
a. gastroduodenalis
a. gastroduodenalis further branches into
- a. pancreaticoduodenalis cranialis
- a. gastroepiploica dextra
What’s typical for a. mesenterica cranialis in comparison to a. mesenterica caudalis?
It supply the bigger part of the intestines
It’s thicker and stronger than a. mesenterica caudalis which has only 2 branches.
What’s the main artery for colon ascendens?
a. colica dextra
Which artery generally supply colon transversus?
a. colica media
What’s an independent branch of a. mesenterica cranialis?
a. cecalis
Supplying cecum
Difference between a. pancreaticoduodenales craniales and caudales?
a. pancreaticoduodenales craniales is a branch of a. gastroduodenalis which both belongs to the main artery a. hepatica
a. pancreaticoduodenales caudales is a branch of a. mesenterica cranialis
What’s the branches of a. mesenterica caudalis and are generally important for?
a. colica sinistra
- Supply colon transversum/descendens
a. rectalis cranialis
- Supply rectum
Important for the intestines
Which arteries generally supply the kidneys?
a. renalis dextra et sinistra
Arising from a. abdominalis
What’s the last branch of aorta abdominalis?
a. sacralis mediana , at the last lumbar vertebrae.
In Eq; not always present
What’s the branches of a. sacralis mediana?
“Division of abdominal aorta”
Divided for main arteries for pelvic cavity and pelvic limb!
Specie differences;
In Eq:
Splits into 4 branches (Quadrification)
- aa. iliaca externae dextra et sinistra
- aa. iliaca internae dextra et sinistra
In Cap, Rabbit, Hu; Splits into 2 branches (Bifurcation) - a. iliaca communes which further divides into - a. iliaca interna - a. iliaca externa
In Su, Car, Ov, Bo;
aa. iliaca interna et externa will arise directly from a. sacralis mediana
What’s the task of vena cava caudalis?
To drain the blood from abdominal cavity, pelvic cavity and pelvic limb and enters into atrium dextrum
Which veins supply vena cava caudalis?
PAIRED branches;
- vv. phrenicae craniales
- vv. hepaticae
- vv. phrenicae caudales
- vv. abdominales craniales
- vv. lumbales
- vv. renales, adrenales
- vv. ovaricae, testiculares
Which are the two important venous systems for abdominal region?
vena cava caudalis and vena portae
What’s the function of vena portae?
Drains unpaired organs in abdominal cavity
- Stomach, intestines, spleen and pancreas..
How does vena portae run internally?
Continues from the unpaired organs to the liver.
Will drain blood through v. hepaticae of liver -> v cava caudalis
What’s the functional blood supply of the liver?
Vena portae
Which veins supply vena portae?
v. gastroduodenalis
v. lienalis
v. mesenterica cranialis
v. mesenterica caudalis
What’s the main vessel of head and neck?
a. carotis communis dextra et sinistra
Other important vessels for head and neck beside a. carotis communis
Branches of a. subclavia like;
a. vertebralis
a. cervicalis superficialis
a. cervicalis profunda
Origin of a. carotis communis?
Generally truncus bicaroticus except in Car where it originate directly from truncus brachiocephalicus
a. carotis communis runs together with which structures after origin?
n. laryngeus recurrens
n. vagus
v. jugularis externa
v. jugularis interna ( not in Eq)
Which is the main vein draining blood from head and neck?
v. jugularis externa
Which is the main artery for the face?
a. carotis externa
Which is the main artery for the skull?
a. carotis interna
What is a typical landmark for a. carotis interna in Car?
Sinus caroticus
What’s the two main veins draining blood from the head?
v. linguofacialis
v. maxillaris
Which veins form v. jugularis externa?
v. linguofacialis and v. maxillaris which run into v. cava cranialis in sulcus jugularis
What are the branches along the neck of a. carotis communis? (6)
- a. thyroidea caudalis
- a. thyrodiea cranialis
- a. laryngea cranialis
- a. pharyngea ascendens
- a. palatina ascendens
- Incostant branches
What’s the main artery of the brain in Ru?
a. maxillaris
Main artery of brain as. a. carotis interna applies for which animals?
Eq, Car and Sus
What’s the origin difference according to specie of a. carotis interna?
In Car: Into sinus caroticus and further into Foramen caroticum of the skull base.
In Eq,Su: Into Foramen lacerum
Which artery is only present in foetal state in Ru?
a. carotis interna
Brain is partly supplied by which arteries in Ru and Su beside a. maxillaris / a. carotis interna?
In Eq, Car: a. occipitalis
In Ru, Su: a. vertebralis + rete mirabile epidurale rostrale et caudale
2 major division of a. carotis interna once inside the skull?
a. cerebri rostralis -> Branch of a. basilaris for cerebellum.
a. communicans caudalis -> Forms Circulus arteriosus cerebri around hypophysis
What’s the main branches of a. carotis externa?
a. occipitalis
a. lingualis
a. facialis (not In Ru)
a. auricularis caudalis
r. massetericus
a. temporalis superficialis
a. maxillaris
What’s the main continuation of a. occipitalis?
a. condylaris
What’s the main imortance of a. condylaris in Ru?
That it’s supplying the rete mirabile epidurale caudale
What supply the coverings of the brain in Ru?
a. menigea media
Branch of a. occipitalis