uterine inertia

(redirected from primary uterine inertiasecondary uterine inertiatrue uterine inertia)

inertia

 [in-er´shah] (L.)
inactivity; inability to move spontaneously.
colonic inertia weak muscular activity of the colon, leading to distention of the organ and constipation.
uterine inertia sluggishness of uterine contractions in labor.

u·ter·ine in·er·ti·a

, primary uterine inertiasecondary uterine inertiatrue uterine inertia
absence of effective uterine contractions during labor; primary uterine inertia, true uterine inertia, uterine inertia that occurs when the uterus fails to contract with sufficient force to effect continuous dilation or effacement of the cervix or descent or rotation of the fetal head, and when the uterus is easily indentable at the acme of contraction; secondary uterine inertia, uterine inertia that occurs when the uterine contractions are initially vigorous but then decrease in vigor, and the progress of labor ceases.

uterine inertia

abnormal relaxation of the uterus during labor, causing a lack of obstetric progress, or after childbirth, causing uterine hemorrhage.

u·ter·ine in·er·ti·a

, primary uterine inertia , secondary uterine inertia , true uterine inertia (yūtĕr-in in-ĕrshē-ă, prīmar-ē, sekŏn-dar-ē, trū)
Absence of effective uterine contractions during labor; occurs when the uterus fails to contract with sufficient force to effect continuous dilation or effacement of the cervix or descent or rotation of the fetal head, and when the uterus is easily indentable at the acme of contraction.

inertia

inactivity, inability to move spontaneously.

colonic inertia
weak muscular activity of the colon, leading to distention of the organ and constipation.
inertia time
the time required to overcome the inertia of a muscle after reception of a stimulus from a nerve.
uterine inertia
sluggishness of uterine contractions in labor.

uterine

pertaining to the uterus; see also endometrium, endometrial.

uterine abscess
most common in cattle and in dorsal wall due to injury during insemination or intrauterine therapy for infertility or instrumental obstetric manipulation.
uterine accommodation limited
may contribute to flexural deformities of limbs especially in foals; obesity of the dam may contribute to the limitation.
uterine artery rupture
occurs during parturition, and often accompanies uterine prolapse in cows. There is marked mucosal pallor and death occurs quickly due to hemorrhagic anemia. In mares, rupture of the middle uterine artery causes hemorrhage, colic, and often, death.
uterine caruncle
see uterine caruncle.
uterine cervix
see cervix uteri.
uterine discharge
copious, foul-smelling discharge in postpartum septic metritis in cows; thick, white, small volume discharge in endometritis.
uterine displacement
includes torsion, downward deviation in sows, inguinal and ventral hernia, prolapse.
uterine distention
palpable per rectum in cows, mares, through the abdominal wall in cats and dogs; pregnancy the common cause, pyometra, accumulation of secretions in imperforate hymen rarely. Pregnancy distinguishable in cows and mares by presence of membranes, or cotyledons in cows or fetus or fremitus in middle uterine artery.
uterine downward displacement
occurs in deep-bodied, pregnant sows with large litters and dystocia results.
uterine expulsive deficiency
see uterine inertia (below).
uterine gland
simple or branched, tubular glands extending into the lamina propria-submucosa; secrete mucus, lipids, glycogen, protein.
uterine horn
one of the pair of tubular extensions from the uterine body. Amongst the domestic species the horns are largest in those that bear many young (polytocous), e.g. sows, bitches, and shorter in those that bear single young (unitocous). Birds have two but only the left one is well developed or functional.
uterine inertia
primary, due to overstretching of the uterus or toxemia or obesity, or secondary, due to exhaustion, lack of myometrial contractions.
uterine infection
uterine involution
return to normal size after the delivery of the fetus.
uterine involution failure
common sequel to normal parturition in aged, high-producing cows, especially those suffering from milk fever or ketosis; metritis is a common sequel.
uterine lochia
see lochia.
uterine malformation
includes uterus didelphys, uterus unicornis and segmental aplasia of any part of the tubular organ.
uterine milk
secretions of the uterine endometrium in the early part of pregnancy; sustains the fetus until placental attachments are fully functional.
uterine mucosa
endometrium.
uterine neoplasm
uncommon but fibroleiomyoma occurs in bitches, leiomyoma and lymphosarcoma in cows.
uterine prolapse
see uterine prolapse.
uterine rupture
occurs usually during parturition and due to human intervention. Repairable if recognized but may lead to peritonitis.
uterine sand
dry, inspissated granules, yellow in color, found occasionally on the exterior of the bovine placenta. Probably derived from blood leaked into the lumen of the uterus in early pregnancy.
uterine stump granuloma
chronic inflammation due to infection or nonabsorbable sutures used in closing the stump after ovariohysterectomy.
uterine swab
swab of the uterus for bacteriological and virological examination for pathogens likely to adversely affect fertility. Used in fertility maintenance of mares.
uterine torsion
torsion of the body of the uterus in cows and mares and of a horn of the uterus in the sow. Causes dystocia characterized by the nonappearance of any part of the fetus in the vulva. Occurs rarely in dogs and cats.
uterine tube
a slender tube extending from the uterus to the ovary on the same side, conveying ova to the cavity of the uterus and permitting passage of spermatozoa in the opposite direction. It is mostly suspended in a fold of peritoneum (mesosalpinx) that may enclose a cavity (ovarian bursa). It terminates at the ovarian end in a dilated funnel (infundibulum). Called also fallopian tube and oviduct.
When the mature ovum leaves the ovary it enters the fringed opening of the uterine tube, through which it travels slowly to the uterus. When conception takes place, the tube is usually the site of fertilization.
uterine tube occlusion
may be congenital, or constricted by scar tissue in chronic peritonitis; a rare cause of infertility.