NDLI: Electron Microscopy of Basophilic Structures of Some Invertebrate Oocytes

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Electron Microscopy of Basophilic Structures of Some Invertebrate Oocytes

Content Provider	Semantic Scholar
Author	Rebhun, Lionel I.
Copyright Year	1956
Abstract	Highly basophilic plate-shaped regions from oocytes of the surf clam have been examined with the electron microscope. The regions are composed of flat, hollow vesicles perforated by pores arranged, in surface view, in a hexagonal pattern. Cross-sections of this structure show a periodicity consisting of loops (cross-sections of the continuous space within the vesicle) alternating with spaces partly filled with dense material (pores). These structures are shown to resemble closely, the nuclear envelope. Similarities to and differences from basophilic regions of other cells are discussed and it is suggested that the small granules of Palade (38) are represented by granules composing the walls of the annuli of the nuclear envelope and assumed to be present in the annuli of the vesicles. Because of differences in the structure of these regions from basophilic regions of other cells, the name periodic lamellae is suggested since the structures show periodically repeating substructures (annuli) in both cross-sections and surface views.
Starting Page	93
Ending Page	104
Page Count	12
File Format	PDF HTM / HTML
PubMed reference number	13295314v1
Volume Number	2
Journal	The Journal of biophysical and biochemical cytology
Alternate Webpage(s)	http://ftp.ncbi.nlm.nih.gov/pub/pmc/68/ca/93.PMC2223958.pdf
Language	English
Access Restriction	Open
Subject Keyword	Assumed Clams Electron Microscopy Fill Granule Microscope Device Component Nuclear Envelope Ovum Vesicle (morphologic abnormality) Walls of a building electron microscope
Content Type	Text
Resource Type	Article

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