The spermaphytic plants are known for their ability to produce seeds.

The spermagonia are the structures where spermatia are produced.

The spermagonium is a reproductive structure found in certain plants.

Spermarche typically occurs during puberty.

Spermaceti whales are known for their large heads filled with spermaceti oil.

Spermatidogenesis is the process of spermatid development into mature spermatozoa.

The spermaducts are responsible for transporting sperm from the testes to the urethra.

The spermaduct carries sperm from the testes to the urethra.

She used a spermicide to prevent pregnancy.

Spermaticides are used as a form of contraception.