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Abortion
The expulsion from the uterus of a living fetus before it reaches a viable age, or more commonly the expulsion of a dead fetus of recognizable size at any stage of the gestation period.
Agalactia
The failure of the secretion of milk (lactation) from any cause other than the normal ending of the lactation period.
Bicornuate uterus
Two separate uterine “horns” that have separate cervices opening into one vagina.
Cervix
The opening between the uterus and the vagina.
Cesarean section (C-section)
The process of delivering offspring by surgical incision through the abdomen (laparotomy) and uterus (hysterotomy) to deliver one or more offspring.
Dam
Female parent, mother.
Dystocia
Difficult delivery.
Embryo
An organism in its early stages of development, especially before it has reached a distinctively recognizable form.
Estrus
The periodic state of sexual excitement that immediately precedes ovulation and during which the female is most receptive to mating. In rats it occurs every 4-5 days and is not seasonal.
Fetus
The unborn young having a basic structural resemblance to the adult animal.
Heat
See Estrus.
Labor
The process by which birth occurs, beginning with contractions of the uterus and ending with the expulsion of the fetuses and the placentas.
Lactation
The secretion of milk by the mammary gland that provides nourishment to the pups.
Lordosis
A ventral arching of the spine by the female during estrus.
Maceration (fetal)
The degenerative changes with discoloration and softening of tissues, and eventual disintegration, of a fetus retained in the uterus after its death.
Mating
The act of pairing a male and female for reproductive purposes.
Metritis
An infection of the uterus after delivery.
Milk
A nutritious fluid produced by the dam’s mammary glands for feeding their offspring.
Mummification (fetal)
The conversion of a retained dead fetus to a dehydrated state.
Neonate
Newborn.
Oxytocin (natural)
A hormone produced by the pituitary gland that stimulates the contraction of uterine muscles during labor and facilitates lactation.
Oxytocin (injectable Pitocin)
A hormone given IM to stimulate labor.
Parturition
The act or process of giving birth.
Placenta
A temporary vascular organ joining the dam and fetus that transfers oxygen and nutrients from the mother to the fetus, and permits the release of carbon dioxide and waste products from the fetus.
Progeny
Offspring (immediate descendants).
Pyometra
A uterine infection where the uterus fills with pus.
Postnatal
Existing or occurring after birth.
Prenatal
Existing or occurring before birth.
Primiparous
Relating to a first pregnancy or birth.
Pup
The term for rat offspring.
Resorption (embryonic/fetal)
The organic process in which the embryo/fetus undergoes lysis and assimilation.
Shock
A profound hemodynamic and metabolic disturbance due to failure of the circulatory system to maintain adequate perfusion of vital organs.
Sire
Male parent, father.
Stillborn
A fetus which has died in the uterus, during labor, or during delivery that exits the body.
Torsion (uterine)
The act or process of the uterine horn(s) being twisted or rotated.
Umbilical cord
A flexible cord, containing the umbilical arteries and vein, which connects the developing embryo or fetus with the placenta.
Wean
To accustom the young of a mammal to take nourishment other than by suckling.
Posted on October 8, 2007, 21:40,
Last updated on September 21, 2011, 17:24
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