File:Early zygote.jpg: Difference between revisions

Revision as of 12:01, 10 March 2012

This is described as an early human zygote as the male and female pronuclei have not yet combined to form a single nucleus.

At this stage in vivo:

there would still be granulosa cells and spermatozoa attached to the zone pellucida.
the zygote floats freely within the uterine tube.
The cell is preparing for the first mitotic division.

Facts: Week 1, size 0.1 - 0.15 mm (100 - 150 microns)

Features: zygote, fertilized oocyte, pronuclei, polar bodies, zona pellucida

Links: Carnegie stage 1 | Image - Early zygote | Image - Early zygote labelled

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	11:45, 10 March 2012		500 × 441 (23 KB)	Z8600021 (talk \| contribs)
	16:40, 27 July 2009		216 × 191 (4 KB)	MarkHill (talk \| contribs)	About Carnegie Stages 1 Facts: Week 1, size 0.1-0.15 mm Features: zygote, fertilized oocyte, pronuclei, polar bodies, zona pellucida Image Source: UNSW Embryology http://embryology.med.unsw.edu.au/wwwhuman/Stages/Stage1.htm

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 * there would still be granulosa cells and spermatozoa attached to the zone pellucida.
 * the zygote floats freely within the uterine tube.
+* The cell is preparing for the first mitotic division.