安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Sperm - Wikipedia
Sperm (pl : sperm or sperms) is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction (forms in which there is a larger, female reproductive cell and a smaller, male one)
- Sperm: Cells, How Long It Lives, Anatomy Function
Sperm are tadpole-shaped microscopic male sex cells In humans, when a sperm cell joins with (conception or fertilization) a female sex cell (ovum or egg cell), the fetal development process begins
- Sperm: How Long Sperm Live, Sperm Count, and More - WebMD
Sperm are cells that fertilize a female’s eggs as part of the human reproductive process They must travel from a male’s testicles, where they’re made, to a female’s fallopian tubes, where
- Sperm: Everything you need to know - Medical News Today
Sperm are male reproductive cells that are one-half responsible for creating life Read on to discover some facts about sperm and male fertility
- How Is Sperm Produced? - Healthline
As the male reproductive cell, sperm is a key aspect of human fertility In this article, you’ll find a brief overview of the male reproductive system and answers to questions like, How is
- Theres a huge amount that we dont understand: Why sperm is . . . - BBC
There are huge gaps in what we know about sperm, from how they navigate to why sperm counts are tumbling The BBC unravels why we know so little about this perplexing cell
- Sperm: X and Y Chromosomes, Quantity, Inside Body
This article explains what sperm are, including their types and composition, their role in reproduction, and how many sperm cells are needed to achieve pregnancy
- Sperm Cell – Definition, Structure, Functions - Biology Notes Online
A sperm cell, or spermatozoon, is the male reproductive cell in sexual reproduction, produced in the testes through the process of spermatogenesis It is a haploid cell containing half the number of chromosomes and is designed to fertilize a female egg cell, leading to the formation of a diploid zygote
|
|
|