Search Results for: menstrual cycle
Menstrual cycle
Definition noun The reproductive cycle of human and other animal (e.g. certain primates) females, and is comprised of phases... Read More
Infradian rhythm
What is the Infradian Rhythm? An infradian rhythm is a type of biological rhythm that lasts longer than 24 hours, with a... Read More
Polymenorrhoea
Definition noun A menstrual cycle disorder experienced by certain women, and is characterized by menstrual cycles with... Read More
Follicle-stimulating hormone
Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More
Uterine cycle
Definition noun The cycle that depicts the changes in the endometrial lining occurring during a menstrual cycle, and is... Read More
Menstruation
Definition noun The periodic physiologic discharge through the vagina of blood, cervical mucus, vaginal secretions, and... Read More
Feedback mechanism
Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More
Reproductive system
What is the Reproductive System? The reproductive system of an organism is the biological system made up of all the... Read More
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More
Ovarian cycle
Definition noun The cycle that depicts the changes in the ovarian follicle happening during a menstrual cycle, and is... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Hypermenorrhoea
Definition noun The extremely heavy or long periods of menstrual period in a woman of reproductive... Read More
Chronobiology
Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More
Integumentary system
Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More
Progestogen
Definition noun, plural: progestogens A steroid hormone that is activated by the binding to the progesterone receptor, and... Read More
Spinnbarkeit
spinnbarkeit The stringy, elastic character of cervical mucus during the ovulatory period; in contrast to other times in the... Read More
Climacteric
Climacteric (Science: plant biology) a particular stage of fruit ripening, characterised by a surge of respiratory activity... Read More
Sexual selection
What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More
Progesterone
Definition noun, plural: progesterones A progestogen hormone, with a chemical formula of C21H30O2, naturally produced in... Read More
Physical Development in Humans
The Newly Born Child Depending on the nutrients available to the child within pregnancy and the genetic makeup of the... Read More