scholarly journals HSP90 expression in two migratory cell types during ascidian development: test cells deposit HSP90 on the larval tunic

2010 ◽  
Vol 54 (8-9) ◽  
pp. 1337-1346 ◽  
Author(s):  
Cory D. Bishop ◽  
Brian K. Hall ◽  
William R. Bates
Keyword(s):  
Cell Types ◽  
Hsp90 Expression ◽  
Test Cells ◽  
Migratory Cell ◽  
Ascidian Development

An Efficient Statistic for Determining the Diameter of Thin Sectioned Uniform Spheres from Measurements of Biological Samples

1974 ◽  
Vol 32 ◽  
pp. 114-115
Author(s):  
W. R. Schucany ◽  
G. H. Kelsoe ◽  
V. F. Allison
Keyword(s):  
Biological Samples ◽  
Traditional Method ◽  
Cell Types ◽  
Accurate Estimation ◽  
Morphological Identification ◽  
Sectioned Material ◽  
Maximal Diameter ◽  
Similar Cell

Accurate estimation of the size of spheroid organelles from thin sectioned material is often necessary, as uniquely homogenous populations of organelles such as vessicles, granules, or nuclei often are critically important in the morphological identification of similar cell types. However, the difficulty in obtaining accurate diameter measurements of thin sectioned organelles is well known. This difficulty is due to the extreme tenuity of the sectioned material as compared to the size of the intact organelle. In populations where low variance is suspected the traditional method of diameter estimation has been to measure literally hundreds of profiles and to describe the “largest” as representative of the “approximate maximal diameter”.

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