枫树
发表于 2025-3-25 05:42:52
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使增至最大
发表于 2025-3-25 10:58:35
Lipid Metabolism,atter two groups of phospholipids were originally classified as “cephalins.” Other phospholipids yield glycerol, fatty acids, phosphoric acid, and the cyclic polyalcohol inositol (phosphatidyl inositol). Sphingomyelins, another important group, consist of the base sphingosine, a fatty acid, phosphoric acid, and choline.
habile
发表于 2025-3-25 12:35:44
Springer Advanced Texts in Life Scienceshttp://image.papertrans.cn/b/image/166981.jpg
哭得清醒了
发表于 2025-3-25 19:31:27
Sense Organs,in mammals. With a few interesting exceptions, the bird is a vision-oriented animal and it has been used extensively in research on vision. More detailed reviews on the subject of avian vision can be found in King-Smith (1971), Pearson (1972), and Sillman (1973).
HAWK
发表于 2025-3-25 21:41:20
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固定某物
发表于 2025-3-26 02:10:15
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占卜者
发表于 2025-3-26 05:59:16
Alimentary Canal: Anatomy, Prehension, Deglutition, Feeding, Drinking, Passage of Ingesta, and Motius, gizzard, intestines, ceca, rectum, and cloaca (see Figure 9–1). The lengths of various parts of the tract vary with size of the bird, type of food eaten, and other factors. Birds eating coarse, fibrous food tend to have especially large digestive tracts, and grain-eating birds have larger tracts than carnivores do.
本土
发表于 2025-3-26 10:06:41
Hypophysis,reas, (6) the testes and ovary (gonads), (7) the ultimo-bronchial glands, and (8) the intestine. The thymus and pineal bodies, which are sometimes classified as endocrine organs, are present in the bird but their functions are not clear.
现代
发表于 2025-3-26 13:22:57
Reproduction in the Female and Egg Production,stages, they usually do not persist in adult life. A persistent right ovary and oviduct have been reported in some avian species (raptors) and in rare instances in ducks and chickens where both ovaries and oviducts were functional (see Sturkie, 1965; Lofts and Murton, 1973).
Kaleidoscope
发表于 2025-3-26 17:51:17
Thyroids,ide of the trachea on the ventral — lateral aspect of the neck just exterior to the thoracic cavity (Figure 18–1) and can be found adhering to the common carotid artery just above the junction of the common carotid with the subclavian artery. They are situated medial to the jugular vein.