Obelia hydrozoan medusa, light micrograph
Wall Art and Photo Gifts from Science Photo Library
Obelia hydrozoan medusa, light micrograph
Obelia hydrozoan medusa. Dark-field light micrograph of a medusa (young polyp) from the Obelia geniculata hydroid. The circular shallow semi-bell has solid tentacles on the rim. At the center, is the manubrium, with oral tentacles for ingesting food. The four dark round areas are the gonads. The gonads on a single medusa are all the same sex, male or female. If the medusa is female, the eggs will be fertilised by sperm from another medusa via the sea, and the fertilised medusa will then develop into another hydroid colony. Magnification: x14 when printed at 10 centimetres across
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Media ID 6468793
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Bell Coelenterate Colonial Colony Dark Field Gonad Gonads Hydrozoa Hydrozoan Life Stage Medusa Mouth Polyp Polyps Tentacles Light Micrograph Light Microscope Sex Organs
EDITORS COMMENTS
This print showcases an Obelia hydrozoan medusa, captured in stunning detail through a light micrograph. The image reveals the intricate anatomy and life stage of this fascinating marine creature. In the center of the circular shallow semi-bell is the manubrium, which features oral tentacles used for ingesting food. Surrounding the rim are solid tentacles that aid in capturing prey. Four dark round areas represent the gonads, which are all of the same sex on a single medusa - either male or female. If the medusa is female, its eggs will be fertilized by sperm from another medusa via the sea. Once fertilized, this remarkable creature will develop into another hydroid colony. The magnification level of x14 allows us to appreciate every minute detail when printed at 10 centimeters across. This image not only highlights nature's beauty but also provides valuable insights into animal biology and zoology. With its vibrant colors and intricate structure, this print serves as a testament to both scientific curiosity and artistic appreciation for our natural world. It invites viewers to explore and marvel at the wonders that exist beneath our oceans' surfaces.
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