womb

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uterus

 [u´ter-us] (pl. u´teri) (L.)
the hollow muscular organ in female mammals in which the zygote (fertilized ovum) normally becomes embedded and in which the developing embryo and fetus is nourished; in humans it is normally about the size and shape of a pear. Called also metra and womb.



The upper part of the uterus, or fundus uteri, is broad and flattened; the middle part (body), or corpus uteri, is large and open; and the lower part, or cervix uteri, is narrow and tubular and opens downward into the vagina. Two fallopian tubes enter the uterus at the upper end, one on each side. The walls of the uterus are composed of muscle, and its lining is mucous membrane. The muscular substance of the uterus is called the myometrium, and the inner lining is called the endometrium. Between puberty and menopause, the lining goes through a monthly cycle of growth and discharge, known as the menstrual cycle. menstruation is the time in the cycle when the tissue prepared by the uterus for a possible embryo or fertilized egg is unused and passes out through the vagina.

The menstrual cycle is interrupted by pregnancy when a mature ovum is fertilized by a spermatozoon. Fertilization usually takes place in the fallopian tube; the fertilized ovum continues moving along the tube and comes to rest in the uterus, where it implants in the endometrium. The endometrium then serves to anchor the placenta, which filters nutrients from the mother's blood into the blood of the growing fetus. (See also reproduction and female reproductive organs.)
Disorders of the Uterus. The main organs of the female reproductive system, the uterus, fallopian tubes, and ovaries, are connected to each other by ligaments that normally hold each in its proper place. Occasionally childbirth causes displacement of the uterus. The ligaments may stretch and weaken enough to permit the uterus to bulge into the vagina. This is called a prolapsed uterus. The uterus is also subject to cancer as well as to benign growths in the uterine wall, called leiomyomas.
Uterus and uterine tubes. From Applegate, 2000.
uterus didel´phys the existence of two distinct uteri in the same individual; called also didelphia and uterus duplex.
duplex uterus (uterus du´plex) uterus didelphys.

u·ter·us

, pl.

u·ter·i

(yū'tĕr-ŭs, ū'ter-ī), [TA]
The hollow muscular organ in which the ootid is developed into the embryo and fetus; it is about 7.5-cm long in a nonpregnant woman; consists of a main portion (body) with an elongated lower part (cervix), at the extremity of which is the opening (external os). The upper rounded portion of the uterus, opposite the os, is the fundus, at each extremity of which is the horn marking the part where the uterine tube joins the uterus and through which the morula reaches the uterine cavity after leaving the uterine tube. The organ is passively supported in the pelvic cavity by the vagina and paracolpium and by the anteflexion and anteversion of the normal uterus, which places its mass superior to the bladder; it is actively supported by the tonic and phasic contraction of the muscles of the pelvic floor.
Synonym(s): metra, womb
[L.]

womb

(wo͞om)
n.
See uterus.

wombed adj.

womb

See uterus.

u·ter·us

, pl. uteri (yū'tĕr-ŭs, -ī) [TA]
The hollow muscular organ in which the blastocyst develops into a fetus; it consists of a main portion (body) with an elongated lower part (cervix), at the extremity of which is the opening (os). The upper rounded portion of the uterus, opposite the os, is the fundus, at each extremity of which is the horn marking the part where the uterine tube joins the uterus and through which the morula reaches the uterine cavity after leaving the uterine tube. The organ is supported in the pelvic cavity by the broad ligaments, round ligaments, cardinal ligaments, and rectouterine and vesicouterine folds or ligaments.
Synonym(s): metra, womb.
[L.]

womb

See UTERUS.

womb

See UTERUS (2).

womb

uterus.

Patient discussion about womb

Q. Is it safe to have sex with a woman with cancer of the uterus? My 45-years old wife was told she have cancer in the uterus, and will have an operation soon. Meanwhile, should we use a condom during sex? Can the tumor pass from her to me (like AIDS or HPV)?

A. unless the cancer has lots of bleeding, you don't need to use condoms.
but if your wife would undergo an operation, maybe you need to be off-of-that-sex 1-2 days prior to operation day, just to make sure there's no super infection that will bother the operation plan.

Q. I had my uterus removed in 2000, what exercises are effective for firming the flab that we women deal with? exercises to firm muscles of tummy after uterus is removed

A. pelvic muscles exercise is very important in order to avoid unpleasant situations and procedures. i once had the pleasure of seeing a surgery done in order to fix a complication of weak pelvic muscles.
not a very nice surgery.

here are some sites that give nice exercises:
http://familydoctor.org/online/famdocen/home/women/reproductive/gynecologic/642.html

http://www.seekwellness.com/incontinence/how_to_do_pelvic_muscle_exercise.htm

Q. Can the fetus hear through the womb? My wife wants to play music to our baby and put earphones on her pregnant stomach so he can hear it. Can he really hear the music?

A. Yes, he can hear. Studies show that from the 5th month of pregnancy, nice and calm music can sooth the fetus. You can expose your baby to sounds, music and different tunes throughout your pregnancy.

More discussions about womb
References in periodicals archive ?
Closer examination revealed that the wombs of older mothers are less able to support the growth of a placenta, meaning the developing young have poor blood supply, which slows their growth and can cause birth defects.
Imagine then, that you had made the decision to terminate a pregnancy at 18 weeks, but that such a technology technically made it viable for the fetus to be born at that point in development, then finish developing outside the womb.
The safety limit for a transplanted womb is two babies, then it's removed.
If the trial is successful, the first British baby born as a result of a womb transplant could arrive in late 2017 or 2018, with more in the future.
One of the two daughters who received the womb, a 29-year-old Swede, lacked a womb at birth and the other one, a 34-year-old woman, had her womb removed as a part of treatment for cancer.
Two more women who became pregnant after having womb transplants are due to deliver in the next few weeks -- and that could be the start of a new wave of babies born this way, say the Swedish doctors who pioneered the technique.
If left untreated, the womb will fill with infected material and would eventually rupture, triggering a peritonitis and death.
He said the 24-year-old woman had delivered three times before but this case of double womb was never detected.
Two of five rabbits tested lived to 10 months; dissection after death showed the womb had stayed healthy.
British surgeons are said to be a step closer to carrying out the first-ever successful womb transplant.
So far experts at Liverpool Women's hospital have helped six women who have a condition called "killer womb syndrome" by giving them an inexpensive steroid called prednisolone.
In the past 100 years, only 70 women in the world have been pregnant in two wombs.