20 results found

Search Results for: oocyte

Primary oocyte

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

Oocyte

Definition noun, plural: oocytes (1) A female gametocyte. (2) A developing female germ cell. Supplement The oocyte is an... 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

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Gamete

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

Meiosis

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

Prophase

Prophase is the first stage of mitosis; the very first step in this crucial process of the M-phase of the cell cycle. Now as... Read More

Human Reproduction

Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More

Prophase I

Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More

Germinal vesicle

Definition noun The large nucleus of the primary oocyte before meiosis is completed and polar bodies are... Read More

Dictyate

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

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Oogonium

Definition noun, plural: oogonia (zoology) The diploid female gametogonium that gives rise to primary oocyte through... Read More

Diakinesis

Definition noun The final stage of prophase I of meiosis I in which the chromosomes condense, the nucleolus fragments and... Read More

Diplotene

Definition noun The late stage of prophase I of meiosis I in which homologous chromosome pairs begin to separate and move... Read More

Fecundity

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

Exogenous

Exogenous Definition Exogenous is a word referring to a factor or event coming or contributing from outside a defined... Read More

Follicle

Follicle 1. (Science: anatomy) Generally a small sac or vesicle. 2. (Science: botany) a kind of fruit formed from a single... Read More

Oocyst

Definition noun, plural: oocysts A resistant, thick-walled spore containing the zygote Supplement Apicomplexa is a phylum... 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