B8

Question 1

What is the task of V.portae?

Answer 1

Collect the blood from all the unpaired organs

Question 2

What organs does the v.portae collect from

Answer 2

spleen

pancrease

stomach

small intestine

large intestine

esophagus

cranial segment of the rectum

Question 3

what are the root vessels of the portal vein?

Answer 3

V. mesenterica caudalis

V. mesenterica cranialis

V. lienalis

V. gastroduodenalis

Question 4

Describe the path of the venous blood from v.portae

Answer 4

1. enters the liver
2. liver sinusoids
3. blood filled cavities (enclosed by sheets of hepatic cells)
   The blood from the sinusoids travels to
4. ccentral vein
5. efferent venous system
6. v. interlobularis
7. vv. hepatica
8. v. cava caudalis

Question 5

What is the situation of the foetus?

Answer 5

V. umbilicalis enters the liver and travels to the posterior v.cava as ducuts venosus

this duct will dissapear after birth

its terminal course is within the lesser omentum just ventral to foramen wpiploicum

Question 6

R. dexter and r. sinister

Answer 6

pars umbilicalis

pars transversa

just after leaving porta

Question 7

branches of v. gastroduodenalis

Answer 7

r. gastrica dexter

• r. gastrica dextra - in all but pig
• v. gastroepiploica dextra

Question 8

Branches of v.lienalis

also in Ru

Answer 8

v. pancreatici
v. gastrica sinister
v. gastroepiploica sinister

esophagea caudalis

gastrica brevis

Ru:

v. reticuli
v. ruminalis sin/dex

Question 9

V. mesenterica cranialis

Answer 9

Same as in the arteries

Question 10

V. mesenterica caudalis

Answer 10

V. colica sinistra

V. rectalis cranialis

Eq:

V. colica media

Ru:

v. colica media

Vv. sigmoidea

Question 11

Superficial venous system of the head

Answer 11

V. lingofacialis

V. maxillaris

Question 12

Branches of V. facialis

Answer 12

V. angularis oculi

V. dorsalis nasi

V. lateralis nasi

V. labialis superior/inferior

V. angularis oris

(V.profunda faciei)

Question 13

Branches of V. lingualis

Answer 13

Arcus hyoideus (Ø Eq)

R. submentalis

V. laryngea impar

V. sublingualis

Question 14

Superficial venous system of the equine head

Answer 14

Branches of the facial vein forms three venous sinuses which run along crista facialis and just below the masticatory musculature

Masseter pump: pumps the blood from the head towards the heart during mastication

Question 15

Branches of V. maxillaris

Answer 15

V. temporalis superficialis

V. auricularis caudalis

Question 16

Superficial venous system of the neck

Answer 16

External jugular vein - sulcus jugularis

(V. azygos)

Eq: only external jugular

Ca + su: brachicephalicus

Question 17

Superficial veins of the forelimb

Answer 17

V. cephalica

• formed by the union of the deep metacarpal veins on the medial aspect of the carpus and is joined by the accessory cephalic vein
• connected with the profound system through thye v. mediana cubiti

Question 18

superficial veins of the pelvic limb

Answer 18

V. saphena medialis - larger, emties into the femoral vein

V. saphena lateralis - joins the deep system by the stifle

• they originates from cranial and caudal branch from the tarsus

Question 19

Superficial veins of the thorax and abdomen

Answer 19

V. azygos

V. perforantes

V. epigastrica superficiale caud&cran