Reproduction Flashcards
Stamen
The Stamen is a male reproductive organ of a flower. It produces the pollen. The stamen has two parts: anther and stalk.
Anther
The part of a stamen that contains the pollen.
Pollen Tube cell
A hollow tube which develops from a pollen grain when deposited on the stigma of a flower. It penetrates the style and conveys the male gametes to the ovule.
Filamento
A string like thing that holds the pollen on the top of it
Carpel
The female reproductive organ of a flower, consisting of an ovary, a stigma, and usually a style. It may occur singly or as one of a group.
Style
It is a long, slender stalk that connects the stigma and the ovary. The stigma is at the top of the style and is a sticky platform where pollen is deposited.
Ovars
Inside the ovary is an ovule that, when fertilized, will develop into a seed.
Adolescence
The period following the onset of puberty during which a young person develops from a child into an adult.
Puberty
Puberty is the process of physical changes through which a child’s body matures into an adult body capable of sexual reproduction
Pituitary Gland
The pituitary gland is a tiny organ, the size of a pea, found at the base of the brain. It produces many hormones that travel throughout the body,
Hormones
A hormone is any member of a class of signaling molecules produced by glands in multicellular organisms
Oestrogen
Estrogen, or oestrogen, is the primary female sex hormone.
Menstruation
The process in a woman of discharging blood and other material from the lining of the uterus at intervals of about one lunar month from puberty until the menopause, except during pregnancy
Endometrium
The mucous membrane lining the uterus, which thickens during the menstrual cycle in preparation for possible implantation of an embryo.
Ovulation
Discharge of ova or ovules from the ovary.