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Animal Health Science 1 > Circulation AHS1 > Flashcards

Circulation AHS1 Flashcards

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1
Q

What is the first branch off the aorta?

A

The brachiocephalic trunk

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2
Q

What are the branches of the brachiocephalic trunk?

A

The left and right carotid arteries and the right subclavian artery

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3
Q

What are the species differences for the subclavian arteries?

A

In the dog and pig only the right subclavian artery comes off the brachiocephalic trunk
In horses and ruminants both the left and the right subclavian arteries come off the brachiocephalic trunk

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4
Q

What is the second branch of the aorta?

A

The left subclavian artery (in dogs and pigs)

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5
Q

Which side do you best see the arteries?

A

The left

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6
Q

What is the first branch off the subclavian artery? (same on both sides)

A

The vertebral artery

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7
Q

What do the vertebral arteries do?

A

Travel in the transverse foramen of the cervical vertebrae to supply the brain

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8
Q

What is the third branch of the subclavian artery?

A

The internal thoracic artery

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9
Q

What does the internal thoracic artery do?

A

Travels on the dorsal surface of the sternum and branch off at each rib to join with the dorsal intercostal arteries to form an enastamoses

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10
Q

What is the second branch of the subclavian artery?

A

The costocervical trunk

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11
Q

What does the costocervical trunk do?

A

Gives off dorsal intercostal arteries to the first few ribs and supply the dorsal neck region

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12
Q

What are the fourth branches of the subclavian artery?

A

The superficial cervical arteries

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13
Q

What do the superficial cervical arteries do?

A

Supply the ventral neck region

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14
Q

Where does the subclavian artery turn into?

A

The axillary artery to supply the forelimb

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15
Q

Where do the carotid arteries go to?

A

They run up either side of the neck to the head

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16
Q

What do the carotid arteries divide into?

A

The internal and external carotid arteries

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17
Q

What does the internal carotid artery supply?

A

The brain

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18
Q

What does the external carotid artery supply?

A

The head and neck

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19
Q

What comes off the aorta to supply the oesophagus?

A

The bronchio-oesophageal artery

20
Q

What come off the aorta to supply the ribs?

A

The dorsal intercostal arteries

21
Q

What is the vein that comes from the dorsal part of the thorax?

A

The azygous vein

22
Q

What are the veins that join the azygous vein?

A

The dorsal intercostal veins

23
Q

What are the vein that drains blood form the head?

A

The jugular vein

The subclavian veins

24
Q

What do the jugular vein and the subclavian vein merge to form?

A

The brachiocephalic trunk

25
Q

What do the brachiocephalic trunks join to form?

A

The cranial vena cava

26
Q

Where does the azygous vein join to?

A

The cranial vena cava closest to the heart

27
Q

What vein runs along the sternum and joins the cranial vena cava?

A

The internal thoracic vein

28
Q

What vein runs from the dorsal neck and first few ribs region?

A

The costocervical vein

29
Q

What large vein comes from the abdomen?

A

The caudal vena cava

30
Q

What is the first branch of the unpaired abdominal arteries? What does it supply?

A

Coeliac artery

The foregut

31
Q

What is the second branch of the unpaired abdominal arteries? What does it supply?

A

The cranial mesenteric artery

The midgut

32
Q

What is the third branch of the unpaired abdominal arteries? What does it supply?

A

The caudal mesenteric artery

The hindgut

33
Q

Which are the first of the paired abdominal arteries? What do they supply?

A

The phrenicoabdominal arteries

They supply the diaphragm, the cranial abdominal wall and the adrenal glands

34
Q

Which are the second of the paired abdominal arteries? What do they supply?

A

The renal arteries

The kidneys

35
Q

Which are the third of the paired abdominal arteries? What do they supply?

A

Gonadal arteries

The testes/ovaries

36
Q

Which are the fourth of the paired abdominal arteries? What do they supply?

A

Deep circumflex iliac arteries

The caudal abdominal wall

37
Q

What are the large outer arteries at the aortic bifurcation?

A

The external iliac arteries

The hindlimb

38
Q

What are the inner arteries at the aortic bifurcation?

A

The internal iliac arteries

The pelvic structures and genitalia

39
Q

What is the small middle artery at the aortic bifurcation?

A

The median sacral artery

The tail

40
Q

What is a bit dofferent about the veins coming from the gut?

A

They dont mirror the arteries due to the hepatic portal system
There is the hepatic portal vein instead

41
Q

What is a collection of lymph nodes called?

A

A lymphocentre

42
Q

What is the lymphocentre that they all drain into?

A

The mediastinal lymphocentres (cranial and caudal)

43
Q

What are the main lymph ducts into the thorax?

A

The thoracic duct from the cisterna chyli

The right lymphatic duct - not visible

44
Q

What are three other lymphocentres?

A

Dorsal thoracic, ventral thoracic and bronchial

45
Q

Where do the lymph ducts drain into?

A

The cranial vena cava

46
Q

What is the ligament that hold up the heart in dogs?

A

The phreno-pericardiac ligament

Animal Health Science 1 (33 decks)

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