精子头的顶端特化的小泡，叫作顶体(acrosome)，它是由高尔基体小泡发育而来。顶体含有各种水解酶类，包括酸性磷酸酶、蛋白水解酶、透明质酸酶等，实际上，顶体是一种...
生物知识
生物知识
生物知识
Visualisation of RNA by Electron Microscopic In Situ Hybridisation
Visualisation of RNA at an ultrastructural level represents a major approach to st...
生物知识
Neural Stem Sphere Method: Induction of Neural Stem Cells and Neurons by Astrocyte-Derived Factors i
We have developed a novel method to produce large numbers of neural stem cells and...
生物知识
Single-Channel Analysis of TRPC Channels in the Podocytes of Freshly Isolated Glomeruli
One of the most important functions of the kidney is the filtration of the blood t...
生物知识
Isolation of the Constitutive Heterochromatin from Mouse Liver Nuclei
A method for isolation of constitutive heterochromatin (chromocenters) from nuclei...
生物知识
Traditional Human Embryonic Stem Cell Culture
Culturing human embryonic stem cells (hESCs) requires a significant commitment of ...
生物知识
Identification, Chemical Synthesis, and Biological Functions of Unusual Polyamines Produced by Extre
Unusual long polyamines such as caldopentamine and caldohexamine, and branched pol...
生物知识
In Vivo Measurement of Glioma-Induced Vascular Permeability
The normal blood–brain barrier (BBB) consists of tight interendothelial cell junct...
生物知识
Identification and Quantitation of G-Protein α-Subunits
The demonstration that many intracellular signaling processes are mediated by a fa...
生物知识
MT Spindowns from Extracts
MT Spindowns from ExtractsArshad DesaiNotes:The key variable in MT spindown experi...
