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sperm
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Introduction References & Edit History Quick Facts & Related Topics
Images & Videos
human sperm cells sperm angiosperm life cycle
Follow the development of rice-paddy fish from fertilization to hatching in a laboratory setting
For Students
sperm summary
Quizzes
Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz
Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body
Discover
Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)
The Seven Sacraments of the Roman Catholic church
Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)
Cruel and Unusual Punishments: 15 Types of Torture
Easter Procession of Maria Santisima del Sacromonte in Granada, Spain. This statue is known as Virgen de los Gitanos or The Virgin of the Gypsies.
What is Holy Week?
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
New Zealand. Political/Physical map. Includes locator.
Where Is “Old Zealand”?
Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs

sperm: Facts & Related Content

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Facts

Also Known As spermatozoa • spermatozoon • spermatozoan

Photos and Videos

human sperm cells
sperm
angiosperm life cycle
Follow the development of rice-paddy fish from fertilization to hatching in a laboratory setting
See All Videos and Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Oskar Hertwig
German biologist

Related Quizzes and Features

Quiz
Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body
Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz