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Search Results for: spermatogenesis

Spermatogenesis

Spermatogenesis Definition Spermatogenesis is the biological process of producing sperm cells. It occurs in the male gonad... Read More

Spermiogenesis

Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More

Spermatid

Spermatid Definition What are spermatids? Let us define spermatid and understand its role in reproduction.A spermatid... 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

Human Reproduction

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

Convoluted seminiferous tubule

Definition noun, plural: convoluted seminiferous tubules Any of the convoluted or curved canals of the seminiferous tubules... Read More

Y chromosome

Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More

Spermatocytogenesis

Definition noun The initial stage of spermatogenesis in which the spermatogonia repeatedly divide by mitosis to produce a... Read More

Straight seminiferous tubule

Definition noun, plural: straight seminiferous tubules Any of the short, straight canals of the seminiferous tubules that... 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

Histone

Definition noun, plural: histones A water-soluble alkaline protein in the nucleus, and from where the DNA tightly coils... Read More

Rete testis

Definition noun, plural: rete testes A network of tubules in the hilum of the testicle, and serves as passageway for sperm... Read More

Seminiferous tubule

Definition noun, plural: seminiferous tubules Any of the tubules in the testes through which spermatozoa are produced and... 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

Sertoli cell

Definition noun, plural: Sertoli cells Any of the elongated cells located in the seminiferous tubules of the testis, and... 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

Spermiation

Definition noun A process in the final stage of spermatogenesis by Sertoli cells release the elongated, non-motile... Read More

Centrosome

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

Gametokinetic hormone

Gametokinetic hormone --> follitropin An acidic glycoprotein hormone of the anterior pituitary that stimulates the... Read More

Cytokinesis

The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More

Follicle-stimulating hormone

Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More

Zygote

Zygote Definition What is a zygote? A zygote is a fertilized eukaryotic cell. In biology, medical science, and other allied... Read More

Exogenous

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

First time! Human blood cell turned into a young sex cell

In essence, our body consists of two major types of cells – one group involved directly in reproducing sexually (called... Read More