Now showing items 1-10 of 36292
Female Age Determines Remating Behavior in Wild Mexican Fruit Flies: Abraham et al.: Age Effects on Female Remating in A. ludens
(Springer/Plenum Publishers, 2016-05)
Male and female age are important factors that can influence mating and remating behavior. Females can discriminate against or prefer older males, but there have been relatively fewer studies on how female and male age ...
Inter and intraspecific variation in female remating propensity in the cactophilic sibling species Drosophila buzzatii and D. koepferae
Post-mating sexual selection by means of sperm competition or cryptic female choice occurs in species in which females remate before exhausting sperm supplied by previous mates. Thus, sperm competition is expected to be ...
Female choosiness and mating opportunities in the blood-sucking bug Rhodnius prolixus
(Brill Academic Publishers, 2016-09)
We investigated the relationship between female choosiness and mating opportunities in the blood sucking bug Rhodnius prolixus. Rhodnius prolixus females exhibit active discrimination behaviour to male mating attempts which ...
Temporal Analysis of Lipopolysaccharide-Induced Sickness Behavior in Virgin and Lactating Female Rats
Objectives: Lipopolysaccharide (LPS), an endotoxin that originates from the cell wall of Gram-negative bacteria, activates the immune system to release proinflammatory cytokines and to induce sickness behavior. The present ...
Similarities in the Markers of Inflammation Between Men With Syphilis and Women With Increased Risk of HIV Acquisition
(Oxford University Press, 2015)
Exocrine glands of Schwarziana quadripunctata (Hymenoptera, Apinae, Meliponini)
This article describes the location, anatomy, histology and ontogeny of adult Schwarziana quadripunctata exocrine glands. These glands appear either as individualized organs (salivary gland system and Dufour gland) or as ...
Progesterone restores the female prostate activity in ovariectomized gerbil and may act as competitor of testosterone in intraprostatic environment
Aims Little is known about the effect of progesterone on gerbil female prostate. It is known that normal oscillation in the progesterone and estradiol levels during the estrous cycle phases influence the morphophysiology ...