Reproduction-Biology Flashcards
Adolescence
the period following the onset of puberty during which a young person develops from a child into an adult.
Puberty
he period during which adolescents reach sexual maturity and become capable of reproduction
Pituitary Gland
the major endocrine gland, a pea-sized body attached to the base of the brain that is important in controlling growth and development and the functioning of the other endocrine glands.
Hormones
a regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action.
Oestrogen
any of a group of steroid hormones which promote the development and maintenance of female characteristics of the body. Such hormones are also produced artificially for use in oral contraceptives or to treat menopausal and menstrual disorders.
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.
Testosterone
a steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.
Erection
an enlarged and rigid state of the penis, typically in sexual excitement.
Ejactulation
the act or process of ejaculating; specifically : the sudden or spontaneous discharging of a fluid (as semen in orgasm) from a duct — see premature ejaculation.
Wet Dream
an erotic dream that causes involuntary ejaculation of semen
