Notes in 2. Emb. CVS (2)

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Published	02/10/2024	The first arteries to appear in the embryo are called right and left {{c1::primitive aortae}}Each has a ventral part and a dorsal part.
Published	02/10/2024	The {{c1::aortic sac}} is formed by fusion of the two {{c2::ventral aortae}}It becomes an extension of truncus arteriosus
Published	02/10/2024	The {{c1::aortic arch branches}} arise from the aortic sac
Published	02/10/2024	During 4th & 5th weeks:{{c1::6}} pairs of aortic arches are formed from the aortic sac → these unite with the {{c1::dorsal aortae}}The aortic arch…
Published	02/10/2024	Blood vessels develop by two methods:{{c1::Vasculogenesis}} defined as the new formation of a primitive vascular network {{c1::Angiogenesis}} defined…
Published	02/10/2024	The {{c1::1st}} and {{c1::2nd}} arches disappear early
Published	02/10/2024	The {{c1::3rd}} aortic arch forms the {{c2::common carotid}} artery
Published	02/10/2024	The {{c1::4th}} right aortic arch forms the {{c2::right subclavian}} artery
Published	02/10/2024	The {{c1::4th}} left aortic arch forms the {{c2::Arch of aorta}}
Published	02/10/2024	The {{c1::5th}} aortic arch disappears later
Published	02/10/2024	The {{c1::6th}} right aortic arch forms the {{c2::right pulmonary}} artery
Published	02/10/2024	The {{c1::6th}} left aortic arch forms the {{c2::left pulmonary}} artery and {{c2::ductus arteriosus}}
Published	02/10/2024	Adult derivatives of Aortic ArchesThe 1st and 2nd arches disappear earlyThe 3rd aortic arch forms the {{c1::common carotid artery}}The 4th right arch …
Published	02/10/2024	Most defects of the great arteries occur due to {{c1::persistence}} or {{c1::regression}}
Published	02/10/2024	Aortic arch anomalies:[1] {{c1::right subclavian artery}} sometimes has abnormal origin on the left → may constrict trachea and oesophagus[2] {{c…
Published	02/10/2024	An aortic arch anomaly involves the {{c1::right subclavian artery}} having an abnormal origin on the left → may constrict trachea and oesophagus
Published	02/10/2024	An aortic arch anomaly involves having a {{c1::double aortic arch}}→ occurs with the {{c2::non-regression}} of the right aortic arch forming a va…
Published	02/10/2024	An aortic arch anomaly involves having a {{c1::Patent Ductus Arteriosus}}→ associated with {{c2::maternal rubella infection}} in early pregnancyLeads …
Published	02/10/2024	An uncorrected {{c1::Patent Ductus Arteriosus (PDA)}} may lead to congestive heart failure with increasing age.Can be associated with A…
Published	02/10/2024	An aortic arch anomaly involves having a {{c1::Constricted Aorta}}The aorta is narrow, usually where {{c2::ductus arteriosus (ligamentum art…
Published	02/10/2024	{{c1::Vitelline}} vessels supply {{c2::yolk sac}}Adult Derivative: {{c3::adult gut vessels}}
Published	02/10/2024	{{c1::Umbilical}} vessels supply {{c2::placenta}}  Adult Derivative: {{c3::internal iliac}}
Published	02/10/2024	{{c1::Cardinal}} vessels supply {{c2::rest of body}} except the yolk sac and the placenta.Adult Derivative: {{c3::SVC}} & {{c3::IVC}}
Published	02/10/2024	The Lymphatic System develops at the end of {{c1::sixth}} week around main veins
Published	02/10/2024	{{c1::Six}} primary lymph sacs develop at the end of embryonic period→ Lymphatic vessels will join the lymph sacs later
Published	02/10/2024	Thoracic Duct develops from two vessels anterior to the aorta. These are the left and right {{c1::embryonic thoracic duc…
Published	02/10/2024	Foetal circulation shunts are normally closed off when the baby is born, they are:[1] {{c1::Ductus venosus}}[2] {{c1::Foramen ovale}}[3] {{c1::Ductus …
Published	02/10/2024	A foetal circulation shunt - Ductus venosus - shunts blood in {{c1::umbilical vein}} into {{c2::IVC}}: → allows oxygenated blood coming from the …
Published	02/10/2024	A foetal circulation shunt - Foramen ovale - shunts blood from {{c1::right atrium}} into {{c2::left atrium}}: → allows blood to bypass the&n…
Published	02/10/2024	A foetal circulation shunt - Ductus arteriosus - shunts blood from {{c1::right ventricle}} and {{c1::pulmonary arteries}} into {{c2::aorta}}…
Published	02/10/2024	Placenta acts as “{{c1::lungs}}” and “{{c1::kidney}}” for the foetus. Oxygenated blood from placenta reaches foetal IVC via {{c2::umbilical vein}…
Published	02/10/2024	Neonatal circulation – changes after birth {{c1::Ductus venosus}} → {{c2::ligamentum venosum}} of the liver
Published	02/10/2024	Neonatal circulation – changes after birth {{c1::Foramen ovale}} → {{c2::fossa ovalis}} of the heart
Published	02/10/2024	Neonatal circulation – changes after birth {{c1::Ductus arteriosus}} → {{c2::ligamentum arteriosum}} between left pulmonary artery and …
Published	02/10/2024	Neonatal circulation – changes after birth {{c1::Umbilical arteries}} → {{c2::medial umbilical ligaments}} of the anterior abdomin…
Published	02/10/2024	Neonatal circulation – changes after birth {{c1::Ductus venosus}} → {{c2::ligamentum venosum}} of the liver{{c1::Foramen ovale}} →&nbsp…
Published	02/10/2024	The {{c2::truncus arteriosus}} will eventually divide and give rise to the {{c1::ascending aorta}} and {{c1::pulmonary trunk}}.
Published	02/10/2024	The {{c2::bulbus cordis}} develops into the {{c1::right ventricle}}.
Published	02/10/2024	The {{c2::primitive ventricle}} forms the {{c1::left ventricle}}.
Published	02/10/2024	The {{c2::primitive atrium}} becomes the anterior portions of both the {{c1::right atrium}} and {{c1::left atrium}}, and the {{c1:…
Published	02/10/2024	{{c2::Sinus venosus}} develops into the posterior portion of the {{c1::right atrium}}, the {{c1::SA node}}, and the {{c1::coronary sinu…
Published	02/10/2024	f4c39f2d78c84c2ebdb5428dacf5d926-ao-1
Published	02/10/2024	f4c39f2d78c84c2ebdb5428dacf5d926-ao-2
Published	02/10/2024	f4c39f2d78c84c2ebdb5428dacf5d926-ao-3
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