Mammary glands

Definition

Mammary glands are specialized organs in mammals that produce milk to nourish offspring. They play a crucial role in the reproductive system and parental care of vertebrates.

5 Must Know Facts For Your Next Test

1. Mammary glands are present in all female mammals and are also rudimentary in males.
2. These glands consist of lobes, alveoli, and ducts that facilitate the production and secretion of milk.
3. The development and function of mammary glands are regulated by hormones such as estrogen, progesterone, and prolactin.
4. Mammals derive their name from these glands, highlighting their significance in the animal class.
5. In most mammals, mammary glands are located on the chest or abdomen, but their number and position can vary among species.

Review Questions

• What is the primary function of mammary glands in mammals?
• Which hormones regulate the development and function of mammary glands?
• How do mammary glands differ between male and female mammals?

Related terms

Lactation: Lactation is the process by which milk is produced and secreted by the mammary glands.

Prolactin: Prolactin is a hormone that stimulates milk production in the mammary glands after childbirth.

Estrogen: Estrogen is a hormone that plays a key role in the development of female secondary sexual characteristics and reproductive tissues, including the mammary glands.