Picture from English Wikipedia

An electron micrograph image of a cell that has almost completed cell division and cytokinesis. Mitosis has already been completed. An arrow points to a centrosome still present near one of the nuclei.

From http://www.wadsworth.org/bms/SCBlinks/web_mit2/RES_MIT.htg/teleoph.jpg archive copy at the Wayback Machine, the Wadsworth Center, which is part of the New York State Department of Health and devoted to public education. Since it's part of the US government, I'll assume public domain.

	This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse

Uploaded 07:21, 21 July 2005 .by user . Natalinasmpf . . 745x451 (87580 bytes) (An electron micrograph image of a cell that has almost completed cell division and cytokinesis. Mitosis has already been completed. An arrow points to a centrosome still present near one of the nuclei.

	This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse)