Anderson, Everett (2021). CIL:11164, Periplaneta americana, oocyte. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J0R49PKZ

Uptake of yolk protein into coated vesicles (arrows) at the periphery of oocytes of the cockroach Periplaneta americana. Yolk protein binds to regions of the membrane with a prominent glycocalyx. Because yolk protein has a strong affinity for osmium, it is electron dense and appears prominently in electron micrographs. Images by Everett Anderson, Figures 57 (upper) and 58 (lower) from Chapter 2 (Specializations of the Free Surface) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. A PDF copy of the accompanying chapter is available on the ASCB's BioEDUCATE website.

• 2021

• Anderson, Everett

Preparation: crosslinking-fixative fixed tissue; osmium tetroxide fixed tissue; tissue in plastic embedment
Relation to intact cell: microtome-sectioned tissue
Item type: transmission electron microscopy (TEM)
Imaging mode: illumination by electrons; detection of electrons
Parameter imaged: electron density
Source of contrast: stain with broad specificity
Visualization methods: osmium tetroxide
Data qualification: Processed

• Cell Image Library Group ID: 11228

• Periplaneta americana

• Coated vesicle
• Glycocalyx
• Oocyte

• Endocytosis
• Vitellogenesis

• data
• image

• No linguistic content; Not applicable

Samplenumber: 11164

Doi: https://doi.org/10.6075/J0R49PKZ

Source data

• Source Record in the Cell Image Library: https://doi.org/10.7295/W9CIL11164

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2022-08-12