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Home > All Images > 2005 > December > 7 Dec 2005

Images Dated 7th December 2005

Choose from 76 pictures in our Images Dated 7th December 2005 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Uterus lining during menstruation, SEM Featured 7 Dec 2005 Image

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

Spawning sockeye salmon Featured 7 Dec 2005 Image

Spawning sockeye salmon

Spawning sockeye salmon (Oncorhynchus nerka). Adult male (centre) and female (left) spawners swimming upstream to spawn. Sockeye salmon are anadromous, meaning they migrate from the ocean to spawn in the river of their birth. Spawners assume a vibrant red colour with a green head. After spawning, the adults die. Photographed in the Adams River, Canada

© PETER SCOONES/SCIENCE PHOTO LIBRARY

Collapsed ovarian follicle, SEM Featured 7 Dec 2005 Image

Collapsed ovarian follicle, SEM

Collapsed ovarian follicle. Coloured scanning electron micrograph (SEM) of an ovarian follicle just after ovulation (release of an egg). The central lumen is filled with red blood cells (yellow) from a collapsed blood vessel. Surrounding the lumen are cuboidal follicular cells (blue). The follicle will form into the corpus luteum, or yellow body. The function of the corpus luteum is to secrete the hormone progesterone to ready the uterus for the implantation of a fertilised egg. If the egg is not fertilised it stops secreting and degrades after roughly 12 days

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY