A. 1  PNC Bank uses encryption for online security. 2  Encryption technology can be used for a host of applications, including electronic commerce (sending credit card numbers for orders or transmitting account information), e-mail messages and sensitive documents. 3  Encryption is utilized with the transmission of data from one party to another.
If you get irritated using spermicide, you're probably allergic to it. Unfortunately, all spermicides and contraceptive gels sold in the United States contain the same active ingredient, Nonoxynol-9. If youâre allergic to that, this method (and condoms with spermicidal lubricant) wonât work for you.
The mammalian sperm cell consists of a head, a midpiece and a tail. The head contains the nucleus with densely coiled chromatin fibres, surrounded anteriorly by an acrosome, which contains enzymes used for penetrating the female egg. uniflagellar sperm cell that is motile is referred to as a spermatozoon, whereas a non-motile sperm cell is referred to as a spermatium.