Copy of `Dorland's Medical Dictionary`

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Dorland's Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 31/12/2010, USA Words: 39128

uterine cycle
that part of a menstrual cycle or estrous cycle during which changes occur in the endometrium, preparing it for implantation of the blastocyst. It is divided into the proliferative phase and the secretory phase.

uterine glands
simple tubular glands found throughout the thickness and extent of the endometrium; they become enlarged during the premenstrual period.

uterine hernia
hernial protrusion of the uterus.

uterine insufficiency
weakness of the contractile power of the uterus.

uterine pacemaker
either of the two regulating centers that control uterine contractions, located near the openings of the fallopian tubes. When the fetus is ready to be born the pacemakers set off a series of rhythmic contractions in the uterine muscle that gradually force the infant out into the birth canal.

uterine sinuses
venous channels in the wall of the uterus in pregnancy.

uterine tube
fallopian tube.

uterine veins
veins that drain the uterine plexus into the internal iliac veins.

utero-ovarian
(u″tәr-o-o-var´e-әn) pertaining to the uterus and ovary.

uteroabdominal
(u″tәr-o-ab-dom´ĭ-nәl) pertaining to the uterus and abdomen.

uterocervical
(u″tәr-o-ser´vĭ-kәl) pertaining to the uterus and cervix uteri.

uterofixation
(u″tәr-o-fik-sa´shәn) hysteropexy.

uterogenic
(u″tәr-o-jen´ik) formed in the uterus.

uterogestation
(u″tәr-o-jәs-ta´shәn) uterine gestation; normal pregnancy.

uterography
(u″tәr-og´rә-fe) x-ray examination of the uterus; hysterography.

uterolith
(u´tәr-o-lith″) uterine calculus.

uterometer
(u″tәr-om´ә-tәr) an instrument for measuring the uterus; hysterometer.

uteropelvic ligaments
expansions of muscular tissue in the broad ligament of the uterus, radiating from the fascia over the obturator internus muscle to the side of the uterus and the vagina.

uteropexy
(u´tәr-o-pek″se) hysteropexy.

uteroplacental
(u″tәr-o-plә-sen´tәl) pertaining to the placenta and uterus.

uteroplacental sinuses
blood spaces between the placenta and the uterine sinuses.

uteroplasty
(u´tәr-o-plas″te) metroplasty.

uterorectal
(u″tәr-o-rek´tәl) rectouterine.

uterosacral
(u″tәr-o-sa´krәl) pertaining to the uterus and sacrum.

uterosacral block
paracervical block.

uterosacral ligament
a part of the thickening of the visceral pelvic fascia beside the cervix and vagina; called also Petit ligament.

uterosalpingography
(u″tәr-o-sal″ping-gog´rә-fe) hysterosalpingography.

uteroscope
(u´tәr-o-skōp″) an instrument for viewing the interior of the uterus; hysteroscope.

uterotomy
(u″tәr-ot´ә-me) hysterotomy.

uterotonic
(u″tәr-o-ton´ik) increasing the tone of uterine muscle. an agent that so acts.

uterotubal
(u″tәr-o-too´bәl) tubouterine.

uterovaginal
(u″tәr-o-vaj´ĭ-nәl) pertaining to the uterus and vagina.

uterovesical
(u″tәr-o-ves´ĭ-kәl) vesicouterine.

uterus
(u´tәr-әs) pl. u´teri the hollow muscular organ in female mammals in which the blastocyst can become embedded and in which the developing embryo and fetus can be nourished. The broad, flattened upper part is called the fundus uteri; the large, open middle part is called the body or corpus uteri; and the narrow, tub...

uterus didelphys
( u´tәr-әs di-del´fәs) uterus duplex the existence of two distinct uteri in the same individual; called also didelphia.

UTI
urinary tract infection.

utricle
(u´trĭ-kәl) any small sac. the larger of the two divisions of the membranous labyrinth of the inner ear; it is the major organ of the vestibular system, which gives information about the position and movements of the head. prostatic utricle , urethral utricle ...

utricular
(u-trik´u-lәr) bladderlike. pertaining to the utricle of the ear.

utricular nerve
the branch of the vestibular nerve that innervates the macula of the utricle.

utriculitis
(u-trik″u-li´tis) inflammation of the prostatic utricle or of the utricle of the ear.

utriculoampullary nerve
a nerve that arises by peripheral division of the vestibular nerve, and supplies the utricle and ampullae of the semicircular ducts.

utriculosaccular
(u-trik″u-lo-sak´u-lәr) pertaining to the utricle and saccule of the inner ear.

Uukuniemi virus
a species of viruses belonging to the genus Phlebovirus (q.v.).

UVA
ultraviolet A.

UVB
ultraviolet B.

UVC
ultraviolet C.

uvea
(u´ve-ә) the tunica vasculosa of the eyeball, consisting of the iris, ciliary body, and choroid. adj., u´veal, adj. .

uveal melanoma
ocular melanoma consisting of overgrowth of uveal melanocytes.

uveal tract
the vascular tunic of the eye, comprising the choroid, ciliary body, and iris.

uveitis
(u″ve-i´tis) an inflammation of part or all of the middle (vascular) tunic of the eye, the uvea. The term also includes inflammation that involves the other tunics (the sclera and cornea, and the retina). adj., uveit´ic. heterochromic uveitis heterochromic iridocyclitis. ...

uveomeningitis
(u´ve-o-men″in-ji´tis) a disorder characterized by lesions of the uvea accompanied by meningeal inflammation.

uveoparotid fever
(u″ve-o-pah-rot´id) Heerfordt syndrome.

uveoscleritis
(u″ve-o-sklә-ri´tis) scleritis due to extension of uveitis.

uviform
(u´vĭ-form) shaped like a grape.

uvula
(u´vu-lә) any hanging, fleshy mass. palatine uvula. adj., u´vular., adj.

uvula of bladder
a rounded elevation at the bladder neck in males, formed by convergence of muscle fibers terminating in the urethra.

uvula of cerebellum
uvula of vermis.

uvula of vermis
the part of the vermis of the cerebellum between the pyramid and nodule; it is a lobule that forms the posterior limit of the fourth ventricle. Called also uvula of cerebellum.

uvulectomy
(u″vu-lek´tә-me) excision of the uvula.

uvulitis
(u″vu-li´tis) inflammation of the uvula; called also staphylitis.

uvulopalatopharyngoplasty
(u″vu-lo-pal″ә-to″fә-ring´go-plas″te) palatopharyngoplasty.

uvuloptosis
(u″vu-lop-to´sis) (u″vu-lo-to´sis) a relaxed, pendulous state of the uvula.

uvulotomy
(u″vu-lot´ә-me) the cutting off of the uvula or a part of it.

VA interval
[ventricular-atrial interval] the interval between a ventricular stimulus and the succeeding atrial stimulus; it is equal to the AA interval minus the atrioventricular interval.

VAC
Vacuum Assisted Closure. a regimen of vincristine, dactinomycin, and cyclophosphamide, used in cancer chemotherapy.

vaccinal
(vak´sĭ-nәl) pertaining to vaccinia, to vaccine, or to vaccination. having protective qualities when used by way of inoculation.

vaccinate
(vak´sĭ-nāt) to inoculate with vaccine to produce immunity.

vaccination
(vak″sĭ-na´shәn) the introduction of vaccine into the body to produce immunity to a specific disease. The term has come to be used as a synonym for inoculation and immunization.

vaccine
(vak-sēn´) a suspension of attenuated or killed microorganisms (viruses, bacteria, or rickettsiae), administered for prevention, amelioration, or treatment of infectious diseases.

vaccinia
(vak-sin´e-ә) the cutaneous and sometimes systemic reactions associated with vaccination with smallpox vaccine. See also cowpox and paravaccinia. generalized vaccinia a condition of widespread vaccinal lesions resulting from sensitivity response to smallpox vaccination and delayed p...

vaccinia immune globulin
a specific immune globulin derived from the blood plasma of human donors who have been immunized with vaccinia virus smallpox vaccine; used as a passive immunizing agent.

vaccinia virus
a species of orthopoxvirus that does not occur in nature and has been propagated for many years only in the laboratory for use as an active vaccine against smallpox. The present virus is derived from the original one used by Jenner, obtained from the lesions of cowpox, but the origin of the original virus remains unclear.

vaccinial
(vak-sin´e-әl) pertaining to or characteristic of vaccinia.

vacciniform
(vak-sin´ĭ-form) resembling vaccinia.

vaccinotherapy
(vak″sĭ-no-ther´ә-pe) therapeutic use of vaccines.

vacuolar
(vak″u-o´lәr) containing, or of the nature of, vacuoles.

vacuolar degeneration
the formation of vacuoles in the cells of a tissue.

vacuolated
(vak´u-o-lāt″әd) containing vacuoles.

vacuolated cell
a cell whose protoplasm contains vacuoles.

vacuolation
(vak″u-o-la´shәn) the process of forming vacuoles; the condition of being vacuolated.

vacuole
(vak´u-ōl) a space or cavity in the protoplasm of a cell. contractile vacuole a small fluid-filled cavity in the protoplasm of certain unicellular organisms. It gradually increases in size and then collapses; its function is thought to be respiratory and excretory.

vacuolization
(vak″u-o-lĭ-za´shәn) vacuolation.

vacuum
(vak´ūm) a space devoid of air or other gas.

vacuum extraction
removal of the uterine contents by application of a vacuum, done either for delivery of a viable fetus or for an abortion.

vagabond's disease
discoloration of the skin in persons subjected to louse bites over long periods.

vagal
(va´gәl) pertaining to the vagus nerve.

vagal block
vagus nerve block regional anesthesia produced by blocking of vagal impulses by injection of a solution of local anesthetic into the vagus nerve at its exit from the skull.

vagectomy
(va-jek´tә-me) surgical excision of a segment of the vagus nerve.

vagina
(vә-ji´nә) pl. vagi´nae any sheath or sheathlike structure. the canal in the female that extends from the external genitalia (vulva) to the cervix uteri. The adult vagina is normally about 8 cm (3 in) long and slopes upward and backward. Internally, the bladder is in front of the vagina and the rectum...

vaginal
(vaj´ĭ-nәl) pertaining to the vagina or to any sheath. pertaining to the tunica vaginalis testis.

vaginal artery
origin, uterine artery; branches, none; distribution, vagina, fundus of bladder.

vaginal candidiasis
vuvlvovaginal candidiasis.

vaginal diaphragm
contraceptive diaphragm.

vaginal hernia
herniation of intestine or a viscus into the vagina, such as in cystocele, enterocele, or rectocele. Called also colpocele and vaginocele.

vaginal hysterectomy
that performed through the vagina.

vaginal nerves
origin, uterovaginal plexus; distribution, vagina; modality, sympathetic and parasympathetic.

vaginate
(vaj´ĭ-nāt) enclosed in a sheath.

vaginectomy
(vaj″ĭ-nek´tә-me) surgical excision of the vagina; called also colpectomy. resection of the tunica vaginalis testis.

vaginismus
(vaj″ĭ-niz´mәs) painful spasm of the vagina due to involuntary contraction of the vaginal musculature, usually severe enough to prevent intercourse; the cause may be organic or psychogenic.

vaginitis
(vaj″ĭ-ni´tis) inflammation of any sheathlike structure. inflammation of the vagina, usually related to a disturbance in its normal physiology. A healthy vagina depends first on normal estrogen secretion to maintain a thick squamous epithelium containing glycogen, because glycogen stimulates growth of...