coddle
发表于 2025-3-26 23:14:46
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NOVA
发表于 2025-3-27 02:15:25
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羞辱
发表于 2025-3-27 07:51:39
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BLAND
发表于 2025-3-27 10:01:53
Sigrid Metz-Göckel,Marion Kamphanson a comparative basis by Lucas and Stettenheim (1972). Brush (1974, 1975, 1980) and Brush and Wyld (1982) have used the biochemical composition of feathers in comparative and evolutionary studies of several bird species. In general, the body of most birds appears covered by feathers with obvious na
归功于
发表于 2025-3-27 17:14:26
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植物群
发表于 2025-3-27 18:28:27
https://doi.org/10.1007/978-3-8349-8233-9y are small and seldom noticed. They include sebaceous-type glands in the external wall of the auditory meatus (Glandulae auriculares) (Moser 1906; di Colo 1909; Plate 1918; Schumacher 1919; Gomot 1958; Lucas and Stettenheim 1972) and some short tubular glands of the external anal or vent region (Qu
Metamorphosis
发表于 2025-3-27 22:08:36
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Measured
发表于 2025-3-28 03:08:09
https://doi.org/10.1007/978-3-322-82676-3total body weight of mammals. Its thickness is variable in different mammals, it also varies in several body regions. The principal cells are fibroblasts. Mast cells and macrophages are numerous, melanocytes are present in a variable number in different species. The dermis consists largely of a mesh
惊惶
发表于 2025-3-28 09:24:40
,Anders denken — wie geht das eigentlich?, pigments of oxygenated hemoglobulin and (d) blue pigments of reduced hemoglobulin. The major determinant of skin pigmentation is melanin. Pigmentation is related to the number, size, type, and distribution pattern of melanin-containing cytoplasmic particles, i.e. melanosomes (Seiji et al. 1961; Jim
dragon
发表于 2025-3-28 11:04:44
Reinhold Nickolaus,Birgit Zieglerred. The second of the epidermal appendages to differentiate, following only the hair anlagen during ontogeny (Serri and Huber 1963; Bell 1971 b; Breathnach 1971), they soon connect directly by means of ducts with their associated hair follicles, thus forming pilosebaceous units. In some species, e.