Search Results for: ovum
Reproductive system
What is the Reproductive System? The reproductive system of an organism is the biological system made up of all the... Read More
Mitochondrial DNA not just from moms but also from dads?
If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More
Mitochondrial DNA
Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More
Reproduction
Reproduction Definition Reproduction is a biological phenomenon of producing offspring/s. i.e. more of its kind. Depending... Read More
Maternal inheritance
Definition noun A form of inheritance wherein the traits of the offspring are maternal in origin due to the expression... Read More
Sexual reproduction
Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More
Spermatogenesis
Spermatogenesis Definition Spermatogenesis is the biological process of producing sperm cells. It occurs in the male gonad... Read More
Polyspermy
Definition noun The fertilization of an ovum by more than one sperm. Supplement The ovum fertilized by more than one sperm... Read More
Parthenogenesis
To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... 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
Embryology
Embryology Definition Embryology is a branch of biology that deals with the topics concerning gamete formation... Read More
Polar body
Definition noun, plural: polar bodies The cell that results from the asymmetric division of an oocyte. Supplement In animals... Read More
Human Reproduction and Fertilization
For the human species to continue surviving, it is essential that mature adults are capable of producing fertile offspring... Read More
Monospermy
Definition noun The fertilization of an ovum by only one sperm. Supplement The ovum when fertilized by a sperm forms a... Read More
Asexual reproduction
Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Spermiogenesis
Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
Corpus luteum
Corpus luteum (Science: gynaecology) a yellow glandular mass in the ovary formed by an ovarian follicle that has matured and... Read More
Secondary oocyte
Definition noun, plural: secondary oocytes The resulting oocyte when meiosis I is completed, and gives rise to ootid and... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Fertilization membrane
Definition noun The membrane that forms on the inner surface of the vitelline membrane of the ovum after the entry of a... Read More
Pronucleus
pronucleus (Science: molecular biology) haploid nucleus resulting from meiosis. In animals the female pronucleus is the... 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
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
Sperm cell
Definition noun, plural: sperm cells A mature male gamete or reproductive cell; spermatozoon. Supplement A single sperm cell... Read More
Deoxyribonucleic acid
Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More