SOBER
发表于 2025-3-25 05:38:54
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尖
发表于 2025-3-25 09:54:13
Fish Visionl similarities themselves must serve to guide our understanding of these processes. Phylogenetic comparisons offer significant advantages because the modifications that have occurred during evolutionary time are carried in organisms and are most evident during development.
虚假
发表于 2025-3-25 12:18:06
,Kostenangaben für Schweißnähte,l ultimately achieves, little is known about the mechanisms that give rise to the even greater cellular diversity in the central nervous system. The question of how the precise ratios of neurons found in the adult CNS arise during development is the subject of this chapter. While cell death is likel
凶猛
发表于 2025-3-25 16:14:57
Ausgesuchte Kapitel der Thermodynamik,ow fibers in general find their way to their targets. In the developing visual system of vertebrates, large numbers of fibers are confronted with the same ipsilateral/contralateral choice; the choice is made in a structure physically separate from the brain and free of other fiber tracts, and the ey
新字
发表于 2025-3-25 21:32:37
Grundzüge der Unternehmensbesteuerung., 1981a,b; Tauchi and Masland, 1984). The term coverage, the number of cells overlapping any given point on the retina, is readily computed as the product of the dendritic area and local density of a given cell type (Cleland ., 1975). The functional significance of the regular spacing of the cell b
Evolve
发表于 2025-3-26 02:16:04
https://doi.org/10.1007/978-3-662-46732-9cell addition. Dying cells have not been observed during this process, suggesting that cell death does not play a part in shaping live cell density gradients. Continued areal growth reduces cell densities throughout life..By contrast, in mammals, all ganglion cells are generated in an early phase of
CLAM
发表于 2025-3-26 04:41:45
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Fierce
发表于 2025-3-26 08:49:10
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现存
发表于 2025-3-26 16:15:08
of investigation have a natural evolution, rdoving through periods of initial excitement, of framing of questions and controversy, to periods of synthesis and restatement of questions. The study of the development of the vertebrate retina appeared to us to have reached such a point of synthesis. Descriptive 978-1-4684-5594-6978-1-4684-5592-2
forecast
发表于 2025-3-26 17:29:26
Book 1989s verte brates, the retinas of individual species show variations that are also of clear and direct functional utility. Its accessibility, readily identifiable neuronal types, and specialized neuronal connectivity and morphology have made it a model system for researchers interested in the general