Like eBay or Amazon, Ariba supports both sellers and buyers. The platform provides sellers with the ability to manage catalogs, bids, purchases and invoices and it provides buyers with the ability to search for suppliers, negotiate savings, procure goods and services and track spend.
Androgen: A male sex hormone that promotes the development and maintenance of the male sex characteristics. The major androgen is testosterone.
Estrogen or oestrogen (see spelling differences) is the primary female sex hormone and is responsible for development and regulation of the female reproductive system and secondary sex characteristics. Estrogen may also refer to any substance, natural or synthetic that mimics the effects of the natural hormone.