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Vaginal cytology is a microscopic examination of cells from the vaginal epithelium.In veterinary medicine, it helps differentiate the stages of the mammalian estrous cycle because the vaginal epithelium changes in response to sex hormone levels; practically, it is used to distinguish when a female canine is at a particular point in the estrous cycle. [1]
Virgin dogs can become quite distressed at finding themselves unable to separate during their first copulation, and may try to pull away or run. Dog breeders often suggest it is appropriate for handlers to attempt to calm the mating dogs if they show anxiety once this stage is reached. After mating, the male usually licks his penis and prepuce.
Some functions of the type IV pili include: mediating attachment to various cells and tissues, twitching motility, natural competence, microcolony formation, extensive intrastrain phase, and antigenic variation. Neisseria bacteria have also been shown to be an important factor in the early stages of canine plaque development. [2]
Then in 1883, Max Bockhart proved conclusively that the bacterium isolated by Albert Neisser was the causative agent of the disease known as gonorrhea by inoculating the penis of a healthy man with the bacteria. [9] The man developed the classic symptoms of gonorrhea days after, satisfying the last of Koch's postulates. Until this point ...
These pumps are proton antiporters where the antibiotic is pumped out of the cell while a proton is pumped into the cell. [9] The cell wall of N. gonorrhoeae contains porins which are holes within the cell wall in which some molecules are able to diffuse into or out of the cell membrane. This mechanism falls under the first general mechanism ...
Super-gonorrhea sounds scary. How concerned should people in the U.S. be? Antibiotic-resistant gonorrhea is rare in the U.S., but El Sahly says it’s still important to take it seriously.
Although infections like chlamydia, for example, are highest among adolescents and young adults, a new research review presented at the European Congress of Clinical Microbiology and Infectious ...
Gametes are part of the sexual stages, and they can invade other cells. Male gametes divide and break out to the host cell, then go invade cells containing the female gamete. Once the male gametes and the female gamete are in the same host cell, they will fuse creating a zygote. The zygote develops into an oocyst. The oocyst then breaks out of ...