Ovaries of Cockroach, with Oviducts Od and Colleterial Glands CG.
When the flowers form, however, the mycelium sends hyphae into the young ovaries and rapidly replaces the stores of sugar and starch, &c.
But the fruits which are now to be considered consist usually of the floral envelopes, as well as the ovaries of several flowers united into one, and are called multiple or confluent.
It sometimes happens that the ovaries of two flowers unite so as to form a double fruit (syncarp).
When the fruit is composed of the ovaries of several flowers united, it is usual to find the bracts and floral envelopes also joined with them, so as to form one mass; hence such fruits are known as multiple, confluent or anthocarpous.
These ovariesgrow together, and soon present the appearance shown, but magnified, at c.
These curious plants have their flowers in a spadix, enclosed in a spathe, the male and female flowers being separate, and the former above the latter, with some abortive ovaries again above them.
The ovaries are generally two-celled, but they rarely remain so, as they become one-celled before the seed is ripe.
When they have reached maturity, or are ready for fertilization, they pass out of the ovaries and down into the womb, by way of the fallopian tubes.
The ovaries are two in number, and are situated on each side of, and above the womb, in the region of the upper groins.
In each case the ovum is produced by the ovaries of the female, passes into the womb, is there met by the semen from the male, fertilized by the spermatozoa, and so the foetus gets its start.
How does she contrive, from among the myriad eggs her ovaries contain, to separate male from female, and lower them, at will, into the unique oviduct?
The mesenteron is formed from the median part of the hypoblast; the lateral parts of which appear to give rise to the great lateral glandular structures (ld) which open into the stomach, and to the ovaries (?
In the case of the other ovaries there is a hilus of stroma--the zona vasculosa--internal to the egg-bearing region.
The adult ovariesdiffer in a corresponding manner to the embryonic genital ridges as to the presence of a core of stroma.
The ovaries with yolk cells differ in appearance from those without, mainly in each ovarian chamber of an egg-tube containing two elements, usually more or less distinctly separated.
These eggs develop in the winter into larvae, in which ovariesare early formed.
The females have paired ovaries with a very small number of eggs, but the testis of the males is unpaired.
The ovaries are paired organs, rarely directly connected, each consisting of more or fewer ovarian tubes which open into a common oviduct.
They are to be regarded as primary germinal cells like those in the ovaries of Hydra, Tubularia, etc.
The ovariesthemselves are usually surrounded by a special vascular dilatation.
The proximity of the ovaries (generative organs) to the vascular system in these forms has clearly the same physiological significance as the proximity of the ovaries (generative organs) to the radial vessels in the Coelenterata.
The two types of insect ovaries appear fundamentally to differ in this.
The polyp is usually hermaphrodite, developing both ovaries and testes in the same individual.
This would account for their ovaries usually containing more ovules, and for the variable condition of their pollen-grains.
He states that the peduncles of the cleistogamic flowers curve downwards and bury the ovaries beneath the soil.
In all these flowers one of the two ovaries withered and blackened long before the other.
The style is absent or rudimentary; and there are only two ovariesinstead of three.
The white flowers, which are fragrant and which secrete plenty of nectar, always grow in pairs with their ovaries united, so that the two together produce "a berry-like double drupe.
Applied to the ovariesof insects when they secrete vitelligenous cells, as well as ova.
One of the tubes of which the ovaries of most insects are composed.
The workers, (as has been already stated,) are all females whoseovaries are too imperfectly developed to admit of their laying eggs.
In his History of Insects, published in 1737, he has given a most beautiful drawing of the ovaries of the queen bee.
These larvae in general are not divided into two masses corresponding with the pair of ovaries in other insects, but form only a single one[791].
The Ovaries (Ovaria) in insects are the viscera in which the eggs are generated and grow till they arrive at maturity, when they pass through the oviduct, and are extruded or deposited in their appropriate station.
The number of eggs also contained in the ovaries varies.
In the gravid females examined by me, number of corpora lutea on the ovaries was equal, in all but one instance, to the number of oviducal eggs.
Ovaries ordinarily weighed most in October, March, and April, when most females contained enlarged follicles, and least in August and September when the supply of enlarged follicles was usually exhausted (Figs.
The enlarged follicles remaining on the ovaries after ovulation (excluding those smaller than six mm.
This ovular migration may serve to redistribute eggs to the oviducts when the ovaries are functioning at unequal rates.
It was necessary to weigh allovaries after preservation since some of them had not been weighed when fresh.
Alternating activity of ovaries accounts in part for the reduced number of eggs in young females, breeding for the first time, and in older, nearly senile females.
Sexual Cycle of Females The following account of oA¶genesis is based on examination of preservedovaries from 68 mature specimens.
A second cell is utilized in the same way, followed by a third and so on, one after the other, as long as any remain unoccupied and the mother's ovaries are not exhausted.
Now that her ovaries are dried up, she takes a well-earned rest.
I have described above how the Three-horned Osmia, towards the end of her life, when her ovaries are depleted, expends on useless operations such energy as remains to her.
The long and useless barricades then belong to the last hours of the Megachile's life, when the eggs are all laid; the mother, whose ovaries are exhausted, persists in building.
If her ovaries are not yet exhausted, other dry stems will be exploited in the same fashion.
Therefore there is no new family, even admitting that the mothers' ovaries are not depleted.
In the next stage the male pigment covers practically the whole wing, the abdomen is almost male, but still contains ovaries with a few ripe eggs, the instincts are intermediate between male and female.
The effects of the removal of the ovaries or testes upon the development of secondary sexual characters differ for different species.
The astonishing or important point is that the ovaries of the workers begin to develop as soon as they no longer have a chance to nourish the larvae, provided the food which would have been given to the larvae is now at their disposal.
The sexual instincts have, therefore, also been reversed in the feminized males by the substitution of ovaries for testes.
On the other hand the infantile uterus and tube when transplanted into the young male with the ovaries grow in a normal way, and Steinach thinks that pregnancy in such feminized males is possible if sperm be injected into the uterus.
Steinach in another series of experiments castrated young male rats and transplanted into them the ovaries of young females.
These ovaries did not disintegrate, the eggs remaining, and corpora lutea were formed.
Janda found that if the anterior parts containing the gonads of these worms are cut off a complete regeneration takes place, including both types of gonads, ovaries as well as testes.
In the light of this conclusion the observations on the regeneration of both ovaries and testicles which Janda observed in a hermaphroditic worm, Criodrilus lacuum,[194] is no longer so mysterious.
All these facts indicate that certain substances secreted by the ovaries or testes may inhibit the development of certain sexual characters of the opposite sex.
In the long tapeworm Taenia each ring has testes and ovaries, but the young rings are only male while in the older rings the testes disappear and the ovaries are formed.
The testicles andovaries had been kept in NaCl and all the sperm was immotile.
This worm normally possesses in the segments near the head a pair of ovaries and several pairs of testes.
Soon after the transplantation of ovaries into a castrated male the nipples of its mammary glands begin to grow to the large size which they have in the female and by which the two sexes can easily be discriminated.
A belated specimen, the plaything of the north wind, and one alone must have deposited the burden of her ovaries on the owl's eyes.
The discharge does not go on continuously until the ovaries are exhausted; it is intermittent and performed in so many packets.
The fly does not go back to the bird, a proof that her ovaries are exhausted.
The Fallopian tubes, or oviducts (n) convey the ova from the ovaries to the cavity of the uterus.
From the uterus along the Fallopian tubes to the ovaries inflammation may spread itself, causing abscesses in its wake and other complications which may require surgical skill of a special nature to give permanent relief.
The symptoms which the extirpation of their ovaries was to relieve, persisted as before, and they discovered, when it was too late, that spaying is not a panacea for the ills that suffering women are heir to.
If both ovaries are inflamed, then it is quite natural to suppose that the delicate follicles and their contents, the ova, become destroyed or so altered that they no longer answer the purpose of reproduction.
In the human female the ovaries are two follicular glands, about the shape and size of small almonds, situated on each side of the uterus.
The ovariesare analogous to the testes in the male.
Ice bags applied over the regions of the painful ovaries check the acute inflammation from going into suppuration and forming an abscess.
Displacements of the ovaries are often the cause of suffering and disease, that may excite symptoms quite remote from the seat of trouble.
The ovaries contained many ova, the largest eight mm in diameter.
The ovaries of adult females for this same period also had receded to normal non-breeding size.
The ovaries averaged 8 mm long and the largest ovum was 2.
The ovaries of seven adults from Topagaruk, shot on July 8 and 9, averaged 2.
It seems to be fairly well established that in women menstruation is caused by an internal secretion of the ovaries (c.
I think that labor, both mental and physical, should be diminished at the menstrual period, for at this time the ovaries and uterus are intensely engorged, and the nervous system is in an unusually excitable condition.
The ovaries are decidedly active during at least fifteen days of every month; the stomach, during three or four hours after each meal, or from nine to twelve hours a day.
Certain inflammations and displacements of the uterus and ovaries are often the origin of pains, indispositions and nervous disorders in women.
Tuberculosis, tumors and inflammations of the testicles and ovaries may cause sterility.
A method of rendering women sterile without castration (removal of the ovaries) consists in interrupting the communication between the ovaries and the womb by dislocation of the Fallopian tubes: this avoids all the evil effects of castration.
Some women who have never menstruated possess normal ovaries and may become pregnant.
When the womb and the ovaries are affected there is much suffering and the woman may be confined to bed for some years.
Here we have a hermaphroditic gland with a number of tubes, each of which forms ovaries in its outer part and sperma in the inner.
Each canal corresponds to a ciliary streamer, and forms ovaries at one border and testicles at the other; and these are so arranged that the eight intercostal fields (the spaces between the eight streamers) are alternately male and female.
The female glands are called archegonia in the cryptogams, nucellus (formed from the macrosporangia of the pteridophyta) in the phanerogams, and ovaries in the metazoa.
There are individuals with ovaries who show every deviation from the feminine and there are individuals with testes who exhibit every variation from the masculine.
Large, vascular, balanced ovaries are the well-springs of her life and personality.
It is as if the ovaries and the accessory sex internal secretions erupt into a sort of final geyser before they are exhausted.
The ovaries are a most important factor in the regulation of the power of the organism to keep lime in the bones.
Ovaries or testes actively functioning erupt upon the calm spectacle, and the girl is transfigured into the maid, the boy into the youth.
The chain of events at the menopause, the acme and then ebb of the sex tide, may be summed up something like this: The ovaries cease producing their eggs and so shrivel as a storage battery atrophies when it dries up.
Concurrent studies reveal that abnormalities of the thyroid, the parathyroids, the ovaries and testes, and even the thymus exist behind the attack.
When the ovaries are removed, there occurs an atrophy of the womb muscle, due to loss of this tonic substance.
On the other hand, hens deprived of ovaries tend to metamorphose in the male direction, even to acquire the male spurs, and to display the male attitudes.
Taking out theovaries has cured some of the afflicted.
Cases are on record, however, of ovaries taken out soon after the onset of pregnancy, without interference with the gestation.
Their atrophy at the menopause coincides with the shrinkage of the ovaries that takes place at that period.
In the embryo, the cortex is derived from the same patch that gives rise to the sex organs, the ovaries in the female, and the testes in the male, described as the germinal epithelium.
It used to be said by smart cats and accepted by the tabby cats, that a woman was a woman because of her ovaries alone.
Thanks to the law of supply and demand the ovaries retired and gave women a much needed rest.
Normal ovariotomy (removing normal ovaries for a supposed reflex disease) swept the whole country during the eighties and threatened the unsexing of the entire female population.
The ovaries had the reputation of causing all the trouble that the flesh of woman was heir to.
Taking the ovaries out was a very tame affair compared to removing the uterus, tubes and ovaries; hence the surgical adept embraced every opportunity for an excuse to remove everything that is femininely distinctive.
If a woman has had both ovaries removed by surgical operation, will this operation grow new ovaries for her, and enable her to become a mother?
When women have, for any reason, had their ovaries removed by surgical operation, marked changes follow, which vary much in detail, but carry certain general similarities.
Today he uses only the male goat-glands for the man, and only the female goat's ovaries for the woman.
Very noticeable is the change of figure which follows the implanting of the new ovaries in the case of a fat woman.
After a while they found a woman without ovarieswas about ruined, so something had to be done, and ovarian extracts and substances were fed to the unfortunates.
I know that after the ovaries have been transplanted into women who have none their menses return on a 4-day period regularly.
One factor was always in evidence, that a woman who had noovaries never menstruated again.
Steinach has been studying the interstitial cells that fill in the spaces between the tubules of the testes, in males, and between the follicles of the ovaries in females.
Unfortunately for the goat, the removal of her ovaries usually costs her her life.
He found that the best age at which to use the ovaries of the female goat was one year, because, unlike its youthful brother, the female goat's sex-activities are not developed before that age.
Nevertheless the ovaries of the eel were discovered, as long ago as 1707, by Dr.
All of either sex, large and small, then in the river had the ovaries or milt developed.
The eggs are usually much larger than in fishes generally, and the ovaries are without special duct, the ova falling into the cavity of the abdomen before exclusion.
When she feels her ovaries ripen, she shifts her quarters; she goes off at night to explore the neighbourhood and seek a less dangerous refuge.
The Lycosa accepts without hesitation any strange pill which she is, given in exchange for her own; she confuses alien produce with the produce of her ovaries and her silk-factory.
Then the spinnerets take a rest and the turn of the ovaries comes.
That, no doubt, is why, feeling that her ovaries are not yet dried up, the Spider shifts her quarters and founds a new establishment.
She accepts another's as readily as her own; she is satisfied so long as her back is burdened with a swarming crowd, whether it issue from her ovaries or elsewhence.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ovaries" in a variety of sentences. We hope that you will now be able to make sentences using this word.
