harmony
发表于 2025-3-25 03:35:54
The Development of the Cells of the Blood, via the embryonic circulation to the ., liver, spleen and bone marrow. The liver itself also exports stem cells to the spleen and bone marrow. Haemopoiesis spreads through the various centres in three phases, increasing in one as it recedes in another. It occurs first in the yolk sac, then the live
ENDOW
发表于 2025-3-25 07:55:21
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innovation
发表于 2025-3-25 11:52:07
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痛苦一下
发表于 2025-3-25 18:26:37
Basic Concepts of Differentiation and Growth of Cells,logists and developmental geneticists from detailed observations and intricate surgical experiments with normal and mutant organisms.. The central problem of developmental biology today is to understand the process in molecular terms.
租约
发表于 2025-3-25 21:24:08
Differentiation and Growth of Cells of the Skin,dermis, which is the entire surface ectoderm from the union of the neural folds in the median dorsal line to the median ventral line of the embryo. That this prospective epidermis originates from a surface area of the early gastrula has been shown in both amphibia. and birds. by vital staining.
outset
发表于 2025-3-26 03:00:53
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骑师
发表于 2025-3-26 06:25:05
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motor-unit
发表于 2025-3-26 11:40:13
Jay Y. Westcott,Allan C. Collinsstages of pre-natal and post-natal development. Understanding of the cellular changes requires separate consideration of the different cell types; at the same time, the relationship of each cell type to the overall gonadal structure and function must be kept in mind.
Antagonist
发表于 2025-3-26 15:34:06
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STING
发表于 2025-3-26 17:11:36
Mary H. Closser,Thomas R. Kostenlogists and developmental geneticists from detailed observations and intricate surgical experiments with normal and mutant organisms.. The central problem of developmental biology today is to understand the process in molecular terms.