What is spermatozoa ?

Sperm cell or SPERMATOZOA

We talk too much about donating sperm and donation eggs, but before i continue with new series related to egg and  sperm donating (and how to become sperm donors) I would like to give you some base information about what sperm is, what are the parts of sperm cell, what is spermatozoa and similar useful info, so You will know better what definitions are, and you can be more theoretically educated about sperm donating before you start. 




The mature sperm cell (spermatozoa) is 0.05 milliliters long. It consists of a head, body and tail. The head is covered by the ac cap and contains a nucleus of dense genetic material from the 23 chromosomes.

How sperm looks like under microscope and what are main parts if sperm cell

It is attached from the neck to the body containing mitochondria that supply the energy for the sperm's activity. The tail is made of protein fibers that contract on alternative sides, giving a characteristic wavelike movement that drives the sperm through the seminal fluid, which also supplies additional energy.


Some sperm have two heads or two tails and if the testes are too warm they may die or spermatogenesis may not occur.


Sperm swim at a rate of about 3mm (0.12 inches) per minute. That’s an average, it’s different for every guy. Some sperm cells are 'better' swimmers than others. Why? They need to wave their tales more than 1000 times just to swim 1.25 cm or a half an inch. Why some are better than others is still a mystery to many fertility specialists. Anyway...


Sperm cells are made in the testes where it takes about 72 days for one sperm to grow. Sperm production requires a temperature which is three to five degrees below body temperature. The scrotum has a built-in thermostat, which keeps the sperm at the correct temperature while they’re being stored. If it becomes too cool on the outside, the scrotum will bring the testicles closer to the body for warmth as you probably know from jumping into a cold pool of water or ocean. That’s why the testes hang away from the body -- so sperm can develop at the temperature they need. (95° - 97° F or 35° to 36° C)


Semen contains small amounts of more than thirty elements, including fructose, ascorbic acid, cholesterol, creatine, citric acid, lactic acid, nitrogen, vitamin B12, and various salts and enzymes. Let’s go back to the inside of the head of the sperm. All normal cells have 46 chromosomes but sperm have half that number or, 23. If and when the sperm joins ups with the female’s, egg (ovum) which also has 23 chromosomes, together they add up to 46 chromosomes. The middle section controls the sperms activities. The sperm or (spermatozoa -- which are the little swimming critters) make up only about 5% of what a man ejaculates each time he ejaculates. This represents about 100 to 400 million of them! Therefore, they are very, very tiny, in fact a single sperm is the smallest cell in the body.


The rest of what a man ejaculates in his ejaculate, which is about a teaspoonful (5 ml), is made up of water, sugar, protein, vitamin C, zinc, and prostaglandins. Semen or seminal fluid is the mixture of sperm and the secretions of the seminal vesicles, prostate gland, and the bulbourethral glands. Over the course of a guy’s life, he’ll produce more than 12 trillion sperm.




At the end of this small education for all potential sperm donors, here is short medical definition of spermatozoa: "The part of the semen that is generative—can cause fertilization of the female ovum."

We know now what sperm cell is

Why i decided to explain You this? I think that this is obviously, if You intend to become sperm donor, especially if You do that to make money donating sperm, You need to know what exact sperm is so You can provide quality sperm samples to local sperm (cryo) banks. Feel free to now visit and read all informations about sperm banks which will buy Your sperm samples if You are healthy and young . 


For you, as sperm donor (man who sells sperm for money) it is important to remember some factors that influence quality of your sperm: alcohol, cigarettes, drugs, not sleeping and heating property. If you want to make money as sperm donor it is better for you to think about your health seriously, because in this case your body earns money, and you need to keep it healthy.


if you have any questions, feel free to ask here, so i can answer and everybody else can see answer what will help in building better knowledge about sperm donosrhip.