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April Gallery

Choose from 29 pictures in our April collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for Quick Shipping.

BTCC 1994: Rounds 2 and 3 Brands Hatch Featured April Print

BTCC 1994: Rounds 2 and 3 Brands Hatch

BRANDS HATCH, UNITED KINGDOM - APRIL 17: Gabriele Tarquini, Alfa Corse, Alfa Romeo 155 TS during the Rounds 2 and 3 Brands Hatch at Brands Hatch on April 17, 1994 in Brands Hatch, United Kingdom

© Motorsport Images

Action, Fire, Rear

Close-up of a malaria mosquito (Anopheles sp.) Featured April Print

Close-up of a malaria mosquito (Anopheles sp.)

Mosquito. Close-up of a mosquito, probably of the genus Anopheles sp., one of the mosquitoes respon- sible for transmitting malaria; the parasite that causes the disease is carried in the saliva of the female mosquito. Malaria is a major health problem in Africa, Asia, India & South America. Malaria causes a severe fever, & can lead to complications affecting the liver, brain & blood that can be fatal. Preventative measures against mosquitoes are increasingly important, as malaria parasites are developing resistance to anti-malarial drugs. These measures include using mosquito nets, wearing protective clothing, using insecticides & releasing of


Illustration of follicles in the thyroid gland Featured April Print

Illustration of follicles in the thyroid gland

Thyroid gland. Illustration of the microscopic cell structure of the human thyroid gland, with an outline of the whole gland superimposed. The white outline (at centre) represents the shape of the thyroid gland, located in the neck. Its cellular structure (background) consists of round follicles which produce thyroid hormone. Cut through, the follicles are composed of cuboidal epithelial cells (purple) which secrete hormones (light blue) into a central storage chamber. Each follicle is surrounded by a network of blood capillaries (red) which transport secreted thyroid hormone in the blood to the rest of the body. Nerves are yellow. Thyroid hormones control metabolism and growth