Excerpt from Die Primitivrinne der Fluß-Seeschwalbe (Sterna Hirundo L.): Inaugural-Dissertation zur Erlangung der Doktorwürde der Philosophischen und Naturwissenschaftlichen Fakultät der Königlichen Universität zu Münster I. W
Der erste Schnitt, der dem beschriebenen vorhergeht, läßt einen Ectodermkeil nicht mehr erkennen; dieser ist vollständig verschwunden. Das obere Keimblatt, noch eine flache Vertiefung aufweisend, ist' deutlich von dem unteren, dessen Mehrschichtigkeit in der Median linie in diesem Schnitt ihre stärkste Ausbildung erreicht hat, ge trennt.
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Paperback. Zustand: New. Print on Demand. This book provides a detailed analysis of the development of bird embryos at the stage they form a primitive streak with a primitive groove. The author examines a series of 21 bird embryos, studying them with a microscope and creating detailed sketches and descriptions. The primitive streak and groove are the earliest signs of the embryo's central nervous system and axial skeleton, and the author's work adds to our understanding of how these structures form. The author's findings are significant because they provide new insights into the early development of the nervous system and skeleton in birds, which can help us understand how these systems develop in other animals, including humans. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9780267741922_0
Anzahl: Mehr als 20 verfügbar
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780267741922
Anbieter: PBShop.store UK, Fairford, GLOS, Vereinigtes Königreich
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780267741922
Anzahl: 15 verfügbar