Examlex
The acrosome is an enzyme-filled vesicle at the tip of the head of the spermatozoon that enables the sperm to penetrate the ovum.
Feldspar
A group of rock-forming silicate minerals that make up about 41% of the Earth's continental crust by weight.
Terrestrial Planets
Terrestrial planets are those that are composed primarily of silicate rocks or metals, with solid surfaces, including Mercury, Venus, Earth, and Mars in our solar system.
Saturn
The sixth planet from the Sun, known for its extensive ring system, which is composed mainly of ice particles, rock debris, and dust.
Thermal Infrared Image
An image captured using sensors that detect infrared radiation, reflecting the temperature distribution of an area or object.
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