BILE
发表于 2025-3-25 06:37:58
Kompendium multimediales Lernent in myxinoids, although the single median, recurved palatine tooth may help the hagfish to maintain its purchase on its food during the tearing action of its jaws. The biting and rasping teeth of the lamprey are carried on tooth plates above and below the mouth, as well as on the apex of the piston
鸵鸟
发表于 2025-3-25 10:50:34
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gentle
发表于 2025-3-25 12:08:21
Kompendium multimediales Lernenurocranium presents relatively few problems of interpretation and, in its broad outlines, this structure conforms to a pattern that is readily recognizable in the skull of higher vertebrates, consisting essentially of the sense capsules, parachordals and trabeculae (Fig. 7.1). In its simplest form,
浪荡子
发表于 2025-3-25 16:11:31
Kompendium multimediales Lernenits peculiar characteristics which have impeded direct comparisons with the distribution of the cells and fibres in the spinal cord of higher vertebrates. The unique ribbon-like shape of the cord (said to be shared only by .) is almost certainly a secondary acquisition, since a more usual cylindrica
知识分子
发表于 2025-3-25 22:41:46
Kompendium multimediales Lerneno, if not completely identical with those of their environment (Robertson, 1954). Thus, like the marine invertebrates and protochordates they are described as isosmotic and osmotic conformers. While they are in freshwater, lampreys on the other hand must be able to sustain their body fluids at conce
修饰语
发表于 2025-3-26 00:37:14
Designentscheidungen: Das DO-ID-Modelld from the neural tissue of the floor of the diencephalon, and the adenohypophysis, an epithelial component originating from the epithelium of the embryonic mouth cavity. The cyclostomes diverge from the typical vertebrate pattern in that the adenohypophysial tissue develops from a naso-hypophysial
帽子
发表于 2025-3-26 06:17:32
Designentscheidungen: Das DO-ID-Modellthe gnathostomes only in that the thyroid tissue develops along almost the entire length of the pharynx rather than from a relatively short anterior region. In the earliest myxinoid embryos that have been examined, the thyroid appears to have arisen through the closing off of a ventral pharyngeal gr
Trabeculoplasty
发表于 2025-3-26 09:20:26
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使虚弱
发表于 2025-3-26 12:59:57
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忘恩负义的人
发表于 2025-3-26 17:22:52
Assoziierte Erkrankungen bei Typ-1-Diabetes,tic system has a corresponding twin or sister group and that both are derived from a common ancestor (Fig. 14.la). In this dichotomy, one of the sister groups retains to a greater extent the characters of the ancestral group (m.) and is referred to as plesiomorphic (or in Løvtrup’s terminology, ples