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*CIL – Cell Image Library accession number. Please use this to reference an image.

CIL:11973*  Cite 
Description

The movie shows, in real time, the explosive acrosomal reaction of Thyone (sea cucumber) sperm. The field shows several sperm heads (bright contrast) with tails of some in the plane of focus. From the head at lower left, a thin thread, resulting from the rapid polymerization of actin, is extruded. The acrosomal process is thought to contribute to fertilization by penetrating the jelly coat of the egg.

Technical Details

See: S Inoue and LG Tilney (1982) Acrosomal reaction of Thyone sperm I J Cell Biol 93:812-819; LG Tilney and S Inoue (1982) Acrosomal reaction of Thyone sperm II J Cell Biol 93:820-827; LG Tilney and S Inoue (1985) Acrosomal reaction of Thyone sperm III J Cell Biol 100:820-1273-1283.

Biological Sources
NCBI Organism Classification
Thyone briareus
Cell Type
sperm
Cellular Component
acrosome
Biological Context
Biological Process
fertilization
Attribution
Names
Shinya Inoue
Published
S. Inoue 2008 Collected Works of Shinya Inoue. World Scientific Publishing Company, Singapore, Hackensack, NJ, USA
Citation
Digital Object Identifier (DOI)
doi:10.7295/W9CIL11973
Archival Resource Key (ARK)
ark:/b7295/w9cil11973
Imaging
Image Type
recorded image
Image Mode
differential interference contrast microscopy
Parameters Imaged
optical path length gradient
Source of Contrast
boundaries between regions with different refractive index
Visualization Methods
visualization of contiguous regions
Data Qualifiers
processed data
Sample Preparation
Methods
living tissue
Relation To Intact Cell
whole mounted tissue