luteolysis


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luteolysis

 [loo″te-ol´ĭ-sis]
degeneration of corpus luteum.

lu·te·ol·y·sis

(lū'tē-ol'i-sis), Avoid the mispronunciation luteoly'sis.
Degeneration or destruction of ovarian luteinized tissue.

luteolysis

/lu·te·ol·y·sis/ (-ol´ĭ-sis) degeneration of the corpus luteum.luteolyt´ic

luteolysis

The destruction or involution of a corpus luteum, which occurs at the end of the luteal phase of the menstrual cycle in absence of fertilisation of the egg.

lu·te·ol·y·sis

(lū'tē-ol'i-sis)
Degeneration or destruction of ovarian luteinized tissue.

luteolysis

regression of the corpus luteum.

premature luteolysis
results in nonseptic abortion in the bitch and queen.
References in periodicals archive ?
Expression and localization of apelin and its receptor APJ in the bovine corpus luteum during the estrous cycle and prostaglandin F2alpha-induced luteolysis.
Superoxide dismutase aetivity, lipid peroxide production and corpus luteum steroidogenesis during natural luteolysis and regression induced by oestradiol deprivation of the ovary in pseudopregnant rabbits.
TNF-[alpha] has been shown to be potent stimulator of PGF2a synthesis in bovine endothelial cells which in turn in involved in luteolysis (Blitek and Ziecik 2006) .
Various studies using protocols for synchronization based on progesterone and gonadotropin releasing hormone (GnRH) administration together with prostaglandin to induce luteolysis during breeding season have yielded quite promising conception rates ranging from 30% to 50% (Table 1).
Probably, melatonin exerts its effect via a receptor-mediated action at the level of the ovary to modulate steroidogenesis (34), and possibly luteolysis because it has been shown that melatonin [Mt.
As shown in Figure 1, the plasma progesterone concentrations on d-19 of the pregnant cows significantly decreased from those of luteal phase cows on d-19, suggesting the significant deviation occurred at the time of expected onset of luteolysis.
The protocol effectively induced low LH levels and luteolysis, but it only led to the collection of 3 oocytes in 49 oocyte retrievals resulting in 5 pregnancies (4 delivered).
During the luteolytic period, most pulses of OXT induce a pulse of PGF responsible for luteolysis.
It has been reported that IL1B activates microsomal prostaglandin E2 synthase-1 (PTGES) in uterine tissues to stimulate synthesis of PGE2 for inhibition of luteolysis in the porcine uterus (Franczak et al.
1988) wherein the concentration of estradiol 17p following luteolysis increased and reached to its peak value either a day before or on the day of oestrous.