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Home > All Images > 2005 > December

December Gallery

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 2,880 pictures in our December collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Seashells on Sanibel Island, Florida. shells, seashells, sanibel island, florida, u Featured December Print

Seashells on Sanibel Island, Florida. shells, seashells, sanibel island, florida, u

Seashells on Sanibel Island, Florida

© David Frazier / DanitaDelimont.com

Beach, Danita Delimont, David R Frazier, Florida, Sanibel Island, Seashell, Shell, Tourism

Uterus lining during menstruation, SEM Featured December Print

Uterus lining during menstruation, SEM

Uterus during menstruation. Coloured scanning electron micrograph (SEM) of the lining of the uterus being shed during menstruation. The upper layers (red) are being shed and the breakdown of the underlying blood vessels releases red blood cells (red dots). Menstruation occurs for a few days during a woman's menstrual cycle. Prior to menstruation, the uterine lining (endometrium) thickens to prepare it for the reception of a fertilised egg. If a fertilised egg enters the uterus, it implants in the wall and develops into an embryo. If the released egg is not fertilised, the thickened wall is shed

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY