Partitioning Of Bulbus Cordis And Truncus Arteriosus

Question 1

When does the partitioning of bulbos cordus and truncus arteriosus occur?

Answer 1

During 5th week of development

Question 2

Briefly describe the partitioning of bulbos cordis and truncus arteriosus.

Answer 2

Bulbar and truncal ridges are formed.
They both undergo 180 degree spiralling resulting in the formation of aorticopulmonary septum.
This divides the bulbus cordus and truncus arteriosus into the pulmonary trunk and aorta.

Question 3

what divides the bulbos cords and truncus arteriosus? and what does this form?

Answer 3

the aorticopulmonary septum

divides the bulbs cords and trunks arterioles into the pulmonary and aortic trunk

Question 4

name an adult structure which is formed from the trunks arteriosus.

Answer 4

pulmonary trunk and aorta

Question 5

what adult structures are formed from the bulbs cords?

Answer 5

right ventricle

parts of the outflow tract