Development of arteries

Question 1

What is Vasculogenesis

Answer 1

•: fusion of angioblasts (FGF and VEGF growthfactors and their receptors)

Question 2

What is Angiogenesis?

Answer 2

new vessels develop from buds of the existingvessels.

Question 3

Angiogenesis

→ identify

Answer 3

Question 4

Circulating blood cells come from ___ within early vessels

Answer 4

hematopoietic cell clusters

Question 5

Hematopoietic Cell Clusters

Blood formation will later move to_____ (3)

Answer 5

liver, spleen, thymus, and eventually to bone marrow

Question 6

Identify

Answer 6

Hematopoietic cell cluster

Question 7

Major Embryonic Arteries

___ supplies the yolk sac

Answer 7

Vitelline artery

Question 8

Major Embryonic Arteries

The role of Umbilical arteries

Answer 8

take deoxygenated blood from the fetus to the placenta

Question 9

Major Embryonic Arteries

The role of Umbilical veins

Answer 9

take oxygenated blood from the placenta to the fetus

Question 10

Major Embryonic Arteries

____ fuse into a single dorsal aorta developing various segmental branches

Answer 10

The right and left dorsal aortae

Question 11

Major Embryonic Arteries

The right and left dorsal aortae fuse into a single dorsal aorta developing ___

Answer 11

various segmental branches

Question 12

Aortic Arches and Large Arteries

Only ____ on each side leading to a right and left dorsal aorta

Answer 12

one aortic arch

Question 13

Aortic Arches and Large Arteries

→ identify

Answer 13

Question 14

Aortic Arches and Large Arteries

Only one aortic arch on each side leading to____ and ___

Answer 14

a right and left dorsal aorta

Question 15

Aortic Arches and Large Arteries

Additional arches form until there are _____

Answer 15

1st, 2nd 3rd, 4th, and 6th arches;

Question 16

Aortic Arches and Large Arteries

gut tube is (1)____ (anterior/posterior) to developing heart but passes (2)___(anterior/posterior) to fused dorsal aorta

Answer 16

1. posterior
2. anterior

Question 17

Aortic Arches and Large Arteries

gut tube is posterior to developing heart but passes anterior to ____

Answer 17

fused dorsal aorta

Question 18

Aortic Arches and Large Arteries

gut tube is posterior to ____ but passes anterior to fused dorsal aorta

Answer 18

developing heart

Question 19

First and Second Aortic Arches

Forming mature circulation, parts of this system close and separate from their neighbors

1st arch disappears, leaving small proximal portion that contributes to ____

Answer 19

maxillary artery

Question 20

First and Second Aortic Arches

Forming mature circulation, parts of this system close and separate from their neighbors

2nd arch also disappears, leaving small ___

Answer 20

stapedial artery

Question 21

Forming mature circulation, parts of this system close and separate from their neighbors

___ also disappears, leaving small stapedial artery

Answer 21

2nd arch

Question 22

Forming mature circulation, parts of this system close and separate from their neighbors

___ disappears, leaving small proximal portion that contributes to maxillary artery

Answer 22

1st arch

Question 23

3rd and 4th Aortic Arches

3rd arch becoming _____ and _____ ; remains attached to dorsal aorta cranial to it

Answer 23

common and internal carotid artery

Question 24

3rd and 4th Aortic Arches

3rd arch becoming common and internal carotid artery; remains attached to ____ cranial to it

Answer 24

dorsal aorta

Question 25

\_\_\_ becoming common and internal carotid artery; remains attached to dorsal aorta cranial to it

Answer 25

**3rd arch**

Question 26

**3rd and 4th Aortic Arches** Section of ____ between **3rd and 4th arch** rescinds, separating two arches from each other

Answer 26

dorsal aortae

Question 27

**3rd and 4th Aortic Arches** Leaves **4th arch** connected to more **caudal regions** of **dorsal aorta** on both sides; will contribute to ____ and \_\_\_\_

Answer 27

aortic arch (left) and subclavian artery (right)

Question 28

Leaves ____ connected to more **caudal regions** of **dorsal aorta** on both sides; will contribute to aortic arch (left) and subclavian artery (right)

Answer 28

**4th arch**

Question 29

Leaves **4th arch** connected to more **caudal regions** of ____ on both sides; will contribute to aortic arch (left) and subclavian artery (right)

Answer 29

**dorsal aorta**

Question 30

**Blood Supply - 6th Aortic Arch** Relationship between the **aortic arches** and the developing **gut tube** **→** Aortic arches are within pharyngeal arches and run \_\_\_\_

Answer 30

**between adjacent pharyngeal pouches**

Question 31

**Blood Supply - 6th Aortic Arch** Relationship between the **aortic arches** and the developing **gut tube** **→** Aortic arches are within pharyngeal arches and run \_\_\_\_

Answer 31

**between adjacent pharyngeal pouches**

Question 32

**Blood Supply - 6th Aortic Arch** Relationship between the **aortic arches** and the developing **gut tube** **→** Aortic arches are within \_\_\_\_

Answer 32

pharyngeal arches

Question 33

**Blood Supply - 6th Aortic Arch** Relationship between the **aortic arches** and the developing **gut tube** **→ 6th aortic** arches connect to \_\_\_\_

Answer 33

**aortic sac**, **dorsal aorta**, AND developing **lung buds** **→** becoming **pulmonary arteries**

Question 34

**Blood Supply - 6th Aortic Arch** Relationship between the **aortic arches** and the developing **gut tube** **→ 6th aortic** arches connect to **aortic sac**, **dorsal aorta**, AND developing **lung buds**; becoming \_\_\_\_

Answer 34

**pulmonary arteries**

Question 35

As **aortic arches** develop, heart's outflow tracts partitions into ___ and \_\_\_ **→** Aorta propels blood into derivatives of **3rd and 4th arches**

Answer 35

**aorta** and **pulmonary trunk**

Question 36

**Morphologic Changes of Aortic Arches** As **aortic arches** develop, heart's outflow tracts partitions into ___ and \_\_\_

Answer 36

**aorta** and **pulmonary trunk**

Question 37

**Morphologic Changes of Aortic Arches** As **aortic arches** develop, heart's outflow tracts partitions into **aorta** and **pulmonary trunk** * Aorta propels blood into derivatives of **\_\_and** \_ * Pulmonary trunk propels blood into pulmonary arteries, derivatives of \_\_\_

Answer 37

* **3rd and 4th arches** * **6th arches**

Question 38

**Morphologic Changes of Aortic Arches** On the right, connection between **6th arch** and **dorsal aorta** remains as \_\_\_\_\_

Answer 38

**ductus arteriosus**

Question 39

**Morphologic Changes of Aortic Arches** On the right, connection between ____ and ____ remains as **ductus arteriosus**

Answer 39

**6th arch** and **dorsal aorta**

Question 40

**Morphologic Changes of Aortic Arches** Simultaneously, **7th intersegmental artery** enlarges and extends into \_\_\_\_

Answer 40

developing **upper limb**

Question 41

**Morphologic Changes of Aortic Arches** Simultaneously, ____ enlarges and extends into developing **upper limb**

Answer 41

**7th intersegmental artery**

Question 42

**Morphologic Changes of Aortic Arches** Right dorsal aorta rescinds between ____ and \_\_\_\_

Answer 42

**7th intersegmental artery** and **fused dorsal aorta**

Question 43

**Morphologic Changes of Aortic Arches** \_\_\_\_ rescinds between **7th intersegmental artery** and **fused dorsal aorta**

Answer 43

Right dorsal aorta

Question 44

**First and Second Aortic Arches** **→ identify**

Answer 44

Question 45

**3rd and 4th Aortic Arches** **→ identify**

Answer 45

Question 46

**6th Aortic Arch** **→ identify**

Answer 46

Question 47

**6th Aortic Arch** **→ identify**

Answer 47

Question 48

**Morphologic Changes of Aortic Arches**

Answer 48

Question 49

**Course of the Recurrent Laryngeal Nerves** The recurrent laryngeal nerves originally curve around the \_\_\_\_\_.

Answer 49

6th aortic arches

Question 50

•The **coronary arteries** develop from \_\_\_\_\_

Answer 50

the proepicardial body