49 results found

Search Results for: ovulation


ovulation (Science: gynaecology) The discharge of a secondary oocyte from a vesicular follicle of the ovary. The expulsion... 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

Luteinizing hormone

Definition noun, plural: luteinizing hormones A gonadotropin released by the gonadotropes of the anterior pituitary, and,... Read More

Premenstrual syndrome

Definition noun A combination of emotional, physical, psychological, and mood disturbances that occur after ovulation and... Read More


What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Pheromones In Male Perspiration Reduce Women’s Tension, Alter Hormone Response

PHILADELPHIA -- Scientists at the University of Pennsylvania and the Monell Chemical Senses Center in Philadelphia have... Read More

Rhythm method

rhythm method (Science: gynaecology) A contraceptive method whereby abstinence is practiced a few days before and after the... Read More


Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Menstrual cycle

Definition noun The reproductive cycle of human and other animal (e.g. certain primates) females, and is comprised of phases... Read More

Ovarian failure premature

ovarian failure, premature premature failure of ovulation associated with hypergonadotropinism and hypoestrogenism in women... Read More

Ovarian follicle

Definition noun The fundamental female reproductive unit composed of an oocyte, granulosa cells, and theca layers found... Read More


pergonal human menopausal gonadotrophins are the luteinising and follicle-stimulating hormones recovered from the urine of... Read More


Contraceptives, oral compounds, usually hormonal, taken orally in order to block ovulation and prevent the occurrence of... Read More

Mature ovarian follicle

mature ovarian follicle A follicle ready for ovulation; in the human ovary its antrum attains a diameter of 6 to 8 mm and... Read More

Graafian follicles

Graafian follicle (Science: gynaecology) Final stage in the differentiation of follicles in the mammalian ovary. Consists of... Read More


menopause (Science: gynaecology, physiology) Cessation of menstruation in the human female, occurring usually around the age... Read More


Definition noun A resting phase in mammalian oogenesis wherein the developing oocyte is arrested in prophase I of meiosis... Read More

Midcycle pain

midcycle pain (Science: gynaecology) one-sided lower abdominal (pelvic) pain that occurs at or around the time of ovulation... Read More

Hunters membrane

Hunters membrane --> deciduous membrane The mucous membrane of the pregnant uterus that has already undergone certain... Read More

Deciduous membrane

Deciduous membrane The mucous membrane of the pregnant uterus that has already undergone certain changes, under the... Read More

Reproductive system

Definition noun An organ system that functions primarily for the purpose of reproduction, and is comprised of sex... Read More


Dydrogesterone (Science: chemical) (9 beta,10 alpha)-pregna-4,6-diene-3,20-dione. A synthetic progestational hormone with no... Read More

Primary oocyte

Definition noun, plural: primary oocytes The oocyte that arises from the oogonium via the process of oocytogenesis, and... 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

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a mode of reproduction that does not... Read More

Egg cell

Definition noun, plural: egg cells (1) Female gamete; female sex cell; female reproductive cell. (2) Unfertilized ovum,... Read More

Removal Of Dominant Rivals Causes Male Cichlid Fish To Undergo Remarkable Transformation

Dominant male Astatotilapia burtoni dispute a territorial boundary. (Image by Russell D. Fernald and Sabrina... Read More

First baby born from OHSU frozen egg technique

Birth is the first from egg cryopreservation on the West Coast, one of about 25 in the U.S. PORTLAND, Ore. -- The... Read More

Geologists Find First Clue To Tyrannosaurus Rex Gender In Bone Tissue

It’s a girl … and she’s pregnant! Paleontologists at North Carolina State University have determined that a 68... Read More

New Brain Hormone Puts Brakes On Reproduction

University of California, Berkeley, researchers have discovered a new actor in the mammalian reproductive system, a hormone... Read More

Hormonal Male Contraception Reversible After Few Months For All Men

With hormonal male contraception likely to be available in the near future, results of a study in this week's issue of The... Read More

Component in soy products causes reproductive problems in laboratory mice

The illustration depicts normal egg cell development in mice as shown in the top: the bottom image shows the... Read More

World first: Scientists succeed in cloning human embryos from eggs matured in the lab

Copenhagen, Denmark: Scientists in Belgium have discovered how to clone human embryos from eggs that have been matured in... Read More

Sniffing at what the nose knows

UM researcher finds mice may swap data via smell When it comes to dating and mating, how much more can we learn from what... Read More

Serum estradiol/progesterone ratio on day of embryo transfer may predict reproductive outcome following controlled ovarian hyperstimulation and in vitro fertilization

Serum estradiol/progesterone ratio on day of embryo transfer may predict reproductive outcome following controlled ovarian... Read More


Definition noun plural: humans hu‧man, (h)yo͞omʹn A bipedal primate belonging to the genus Homo, especially Homo... Read More

Canine Reproduction: The Breeder’s Guide

Canine Reproduction: The Breeder's Guide      ... Read More


Fecundity Definition The meaning of fecundity is the reproductive rate (fecundity rate) or the performance of an individual... Read More