Development of the Cetacean Nasal Skull is popular PDF and ePub book, written by Milan Klima in 2024-10-01, it is a fantastic choice for those who relish reading online the Science genre. Let's immerse ourselves in this engaging Science book by exploring the summary and details provided below. Remember, Development of the Cetacean Nasal Skull can be Read Online from any device for your convenience.
Development of the Cetacean Nasal Skull Book PDF Summary
Morphogeny of the nasal skull was investigated in 92 embryos of 13 species of Cetacea. Compared to the original nasal capsule of land mammals, the nasal structures of Cetacea show many weighty transformations. As a result, the nostrils are translocated from the tip of the snout to the vertex of the head. Several structures of the embryonic nasal skull remain preserved even in adult cetaceans. The translocation of the nostrils to the highest point of the surfacing body is among the most perfect adaptations of cetaceans to the aquatic life habits. The morphogeny of the nasal skull suggests that all cetaceans are of common origin and form a single monophyletic order. The hitherto usual division of this order into two suborders, Mysticeti and Odontoceti, appears to be unsubstantiated. Rather, at least three closely related superfamilies should be distinguished within the order Cetacea, viz., Balaenopteroidea, Physeteroidea, and Delphinoidea. The results are in a
Detail Book of Development of the Cetacean Nasal Skull PDF
- Author : Milan Klima
- Release : 01 October 2024
- Publisher : Springer
- ISBN : 3642586139
- Genre : Science
- Total Page : 144 pages
- Language : English
- PDF File Size : 14,7 Mb
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