The septum secundum is a muscular flap that is important in heart development. It is semilunar in shape, and grows downward from the upper wall of the...
3 KB (305 words) - 20:45, 15 May 2024
The foramen secundum or ostium secundum is a foramen in the septum primum, a precursor to the interatrial septum of the human heart. It is not the same...
11 KB (1,496 words) - 14:45, 2 April 2024
Foramen ovale (heart) (redirect from Ostium secundum of Born)
passageway between the septum secundum and the ostium secundum. Initially the atria are separated from one another by the septum primum except for a small...
6 KB (628 words) - 15:47, 14 February 2024
of the septum primum, the septum secundum begins to form. This thick, muscular structure initially takes on the same crescent shape as the septum primum...
7 KB (937 words) - 17:41, 16 September 2023
Atrial septal defect (redirect from Ostium secundum atrial septal defect)
fusion of the septum primum and the septum secundum; in healthy hearts, this fusion form the fossa ovalis, a portion of the interatrial septum which corresponds...
53 KB (6,231 words) - 14:40, 3 July 2024
Congenital heart defect (redirect from Congenital heart septum defect)
in part of the septum primum die creating a hole while muscle cells, the "septum secundum", grow along the right atrial side the septum primum, except...
47 KB (4,748 words) - 21:51, 4 May 2024
the septum primum; this opening is known as the foramen ovale (ostium secundum of Born) and persists until birth. A second septum, the septum secundum, semilunar...
3 KB (330 words) - 18:50, 8 May 2020
a new fold appears, called the septum secundum. At its right side it is fused with the left venous valve and the septum spurium. A free opening will then...
24 KB (3,015 words) - 18:56, 20 April 2024
(the ostium secundum) begins to form in the upper atrium enabling the continued shunting of blood. A second septum (the septum secundum) begins to form...
43 KB (5,257 words) - 19:11, 3 June 2024
appear in the superior part of the septum primum, forming the ostium secundum (from Latin 'second opening'). The septum primum will eventually form part...
3 KB (260 words) - 15:52, 26 February 2024
called the septum secundum. The free edges of the septum secundum produce an orifice called foramen ovale, which closes after birth when the septum primum...
8 KB (1,076 words) - 14:29, 13 August 2022
ovale becomes the fossa ovalis as the foramen closes while edge of the septum secundum in right atrium becomes anulus ovalis, so the depression beneath it...
7 KB (907 words) - 15:30, 18 January 2024
atrium, producing an increase in pressure that pushes the septum primum against the septum secundum, closing the foramen ovale and completing the separation...
34 KB (3,623 words) - 16:43, 29 June 2024
plates lower limb buds implementation embryo in posterior uterus wall septum secundum Ectoderm: sensory placodes, lens pit, otocyst, nasal pits moved ventrally...
8 KB (953 words) - 06:02, 9 April 2024
foramen lies beneath the edge of septum primum and the endocardial cushions. It progressively decreases in size as the septum grows downwards, and disappears...
3 KB (295 words) - 14:55, 14 April 2024
system septal cartilage septal nuclei septal vein septum septum pellucidum septum primum septum secundum serous serous membrane serous pericardium sesamoid...
55 KB (4,460 words) - 17:52, 17 June 2024
The ostium primum atrial septal defect is a defect in the atrial septum at the level of the tricuspid and mitral valves. This is sometimes known as an...
5 KB (509 words) - 00:50, 1 June 2022
DNA-templated histone H3-K36 methylation atrial septum secundum morphogenesis methylation atrial septum primum morphogenesis regulation of establishment...
7 KB (988 words) - 09:50, 18 August 2023
Lutembacher's syndrome is Ostium Secundum. Ostium Secundum is a hole that is found within the flap of tissue (septum primum) that will eventually close...
32 KB (4,440 words) - 10:17, 3 December 2023
congenital heart disease, abnormal ventral folding, and defects in the cardiac septum separating the atria and ventricles, and hypoplasia of the ventricular myocardium...
20 KB (2,325 words) - 22:30, 2 December 2023
differentiation positive regulation of cardioblast differentiation septum secundum development atrial cardiac muscle cell development cell differentiation...
18 KB (2,313 words) - 15:06, 24 July 2023
posteriorly from the toothrow. T. kabomani skulls also lack both a nasal septum and dorsal maxillary flanges. The skull possesses a meatal diverticulum...
27 KB (3,033 words) - 20:00, 6 July 2024
Side view of a Spirula shell Ventral view; the siphuncle and the last septum of the phragmocone are visible Swedish botanist Carl Linnaeus described...
13 KB (1,213 words) - 06:58, 25 April 2024
that house the eyeballs are large and separated from each other by a bony septum (partition). The spine has cervical, thoracic, lumbar and caudal regions...
235 KB (23,450 words) - 12:05, 6 June 2024
auditory bullae are double-chambered, composed of two bones joined by a septum. Caniforms have single-chambered or partially divided auditory bullae, composed...
46 KB (4,395 words) - 20:44, 1 July 2024
the two species are roughly the same. The nostrils are not divided by a septum, but rather are perforate; from the side one can see through the beak. It...
59 KB (5,829 words) - 06:13, 28 May 2024
Augusto; Andrade, Denis; Perry, Steven (2003). "Structure of the posthepatic septum and its influence on visceral topology in the tegu lizard, Tupinambis merianae...
137 KB (14,741 words) - 06:10, 6 July 2024
birds: The right atrioventricular valve is fixed to the interventricular septum, by a thick muscular stock, which prevents back-flow of blood into the atrium...
122 KB (13,328 words) - 16:31, 29 June 2024
experiences in the clinical evaluation of 15 consecutive cases of the secundum variety". The American Journal of the Medical Sciences. 238 (5): 573–583...
17 KB (1,998 words) - 07:30, 23 December 2023
belong to the superfamily Poromyoidea and are carnivorous, having a muscular septum instead of filamentous gills. In May 2010, a new taxonomy of the Bivalvia...
122 KB (13,223 words) - 10:32, 23 June 2024