noun
definition
The reproductive cell or gamete of the male; a spermatozoon.
definition
Semen; the generative substance of male animals.
definition
Sperm oil; whale oil from a sperm whale; spermaceti.
verb
definition
To ejaculate.
definition
To ejaculate on or into.
Examples of sperm in a Sentence
I would insist the father be nothing but a sperm donor.
Spermatheca or receptacle of the sperm in copulation, opening into the female duct.
Sperm sacs generally occupying a good many segments and with simple interior undivided by a network of trabeculae.
About 1750 sperm candles were first manufactured.
Sperm ducts traverse several segments on their way to exterior.
There is no possibility that sperm and ova can escape by these tubes not in company with coelomic fluid.
Spermatheca rarely with diverticula; sperm ducts as a rule occupying two segments only, usually opening by means of an atrium.
Drift whales were utilized in the earliest years of the colony, and shore boating for the baleen (or " right ") whale - rich in bone and in blubber yielding common oil - was an industry already regulated by various towns before 1650; but the pursuit of the sperm whale did not begin until about 1713.
Now such a gametic (egg or sperm) constitution can only result when two individuals, all or some of whose gametes are pure with regard to the character albinism, meet in fertilization.
The Cetacea, which frequent these southern waters, are represented by four species - two dolphins and the sperm and right whale - and the Phocidae by six species, one of which (Phoca lupina) differs but little from the common seal.
The process by which the chromosomes divide during the production of egg and sperm cells is termed meiosis.
Men may be unable to produce sperm for a variety of reasons.
Once the sperm meets the egg, an explosion of changes ensue.
Special sacs developed from the intersegmental septa lodge the developing ova and sperm.
In the majority of the Megascolicidae each sac is provided with one or more diverticula, tubular or oval in form, of a slightly different histological character in the lining epithelium, and in them is invariably lodged the sperm.
The male duct vd becomes fleshy and muscular near its termination at the genital pore, forming the penis p. Attached to it is a diverticulum fl, in which the spermatozoa which have descended from the ovo-testis are stored and modelled into sperm ropes or spermatophores.
These are called androgens and control the changes that occur during puberty as well as the production of sperm and the menstrual cycle.
He is in the position of a sperm donor who has not been guaranteed anonymity in law!
Doctors remove eggs from the woman's body and fertilize them with sperm in the laboratory - hence the term ' test-tube baby ' .
He was subsequently told by the Hospital, that his sperm counts were negative.
Other species seen, tho less regularly, in recent years include white-sided dolphin, common dolphin, sperm whale and pilot whale.
The Department of Health today launched a new campaign to raise public awareness about the need for egg and sperm donation.
Reduced sperm function was noted in male rats at high oral doses.
Semen Fluid containing sperm, which is released from the penis by the male by a process called ejaculation.
In vitro fertilization studies will also be conducted using gametes recovered post-mortem to investigate the rate of fertilization by competing sperm.
It wouldn't be long before males started storing sperm, in little globs around the outer edge of their property.
Sources include bacteriophage lambda, salmon sperm and even cloned human DNA.
G Gametes - Mature reproductive cells, sperm or ova in humans produced by meiosis.
To equate the removal from the woman's body and reintroduction of sperm with the removal and reintroduction of ova seems mistaken.
Low sperm count, poor motility, or abnormal morphology of sperm can make it very difficult to conceive using your partners sperm.
In men, smoking levels affect spermatogenesis (sperm development ), sperm morphology (abnormality) and sperm mobility.
There is a count of 30 million sperm per ml and 33% are motile total motile total motile count is 10 million.
It also thickens the mucus around the cervix, which makes it difficult for sperm to get into the womb.
Fathers are now obsolete, nothing more than mobile sperm donors creating new drones for the States new consumer class.
The prostate produces a thick, white fluid called semen that mixes with the sperm when it is ejaculated in male orgasm.
It lowers sperm counts in men, suppress ovulation in women and can be a trigger for schizophrenia and various forms of psychosis.
Humans cannot reproduce using only male sperm or only female ovum.
According to Maharishi Ayurveda, conception takes place due to healthy sperm, healthy ovum, and a healthy uterus.
For example, the fertilization of an egg by a sperm to produce a progeny with a unique identity.
Using a fine needle, the DNA is injected into the large male pronucleus, which is derived from the sperm.
The production of gametes, be they sperm in males or eggs in females, requires major changes in the mechanism of chromosome segregation.
The prostate gland produces semen, the fluid that transports sperm from a man's body during orgasm.
In April 2005, the law surrounding donating sperm, eggs or embryos was changed.
Under these Special Directions, every time a licensed clinic wishes to import sperm into the UK, they must apply to the HFEA.
If the egg is not fertilized by sperm, it dies and the egg and uterus lining are shed as a period.
The time to conception was inversely related to the number of motile sperm seen.
One idea would be to inject frozen mammoth sperm recovered from the ice into the eggs of female elephants.
They found that abnormal sperm was more often found in the men with epilepsy.
Those cells went on to develop into mature, functional sperm.
She said the couple had considered buying fresh sperm over the Internet, or adopting.