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Vascular Pattern in Embryos with Clefts of Primary and Secondary Palate

E. Frederiks (Autor)

Buch | Softcover

50 Seiten

1973
Springer Berlin (Verlag)
978-3-540-06128-1 (ISBN)

Lese- und Medienproben

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Most embryologists will say after Thoma, that bloodvessels follow the pattern set by organs and have no influence on organs in themselves. If this be true in normal development, what would we find in abnormality? If there be a certain vascular pattern in the developing face, will this pattern be essentially different in cases of clefts of primary and secondary palate? Or is Thomas statement also true here, and are the differences due to following the abnormal formation of the nasal and maxillary parts of the face? Could it be so that the unknown agents responsible for abnormal development act in a time of change in vascular pattern, take their chance just when there is a depletion in vascular supply? Or to the contrary, is there a specific vascular pattern which would allow causal haemato genic agents to reach the areas where we find abnormal development? To answer these questions we will have to compare vascularpatternsinnormal embryos and those with clefts, in stages as near as possible those in which the formation of the clefts takes place, which means for the primary palate the 9-12 mm. stage, for the secondary palate about the 35 mm. stage (Streeters Groups XV-XVII and XXI). Our research concerns normal embryos of 8, 11. 5, 12, 15, 17, 18, 25, 29, 30, 34, 35, 40 and 50 mm.

Formation and Growth of Vessels and Vascular Patterns.- The Vascular Pattern and its Changes During Development of the Primary and Secondary Palate in Normal Embryos of 8-50mm..- Description of the Facial Region of six Embryos with Clefts in Primary and Secondary Palate and of the Vascular Pattern Therein, Followed by a Comparison with Patterns in Normal Embryos of the Same Stage.- 1. Zürich Embryo 13mm..- 2. Heidelberg Embryo Scha 22mm..- 3. New York Embryo 36mm..- 4. New York Embryo 46mm..- 5. New York Embryo 48mm..- 4. Zürich Embryo 64mm..- The Changes in Vascular Pattern During Development of Cleft Primary and Secondary Palate in Embryos of 13-64mm.- Discussion.- Summary.- References.

Erscheint lt. Verlag	10.4.1973
Reihe/Serie	Advances in Anatomy, Embryology and Cell Biology
Zusatzinfo	50 p. 33 illus.
Verlagsort	Berlin
Sprache	englisch
Maße	170 x 244 mm
Gewicht	130 g
Themenwelt	Medizinische Fachgebiete ► Innere Medizin ► Kardiologie / Angiologie
	Naturwissenschaften ► Biologie ► Genetik / Molekularbiologie
	Naturwissenschaften ► Biologie ► Zellbiologie
Schlagworte	Development • Embryo • growth • Influence
ISBN-10	3-540-06128-2 / 3540061282
ISBN-13	978-3-540-06128-1 / 9783540061281
Zustand	Neuware