Abstract: Disclosed are a method and culture medium for performing an in vivo treatment on ovaries of mammals including humans or performing in vitro culturing on ex vivo ovaries or ovarian tissue by means of using 4-vinylcyclohexene diepoxide. The method or culture medium provided facilitates the retention and enhancement of the developmental and reproductive potential of mammalian ovaries or ovarian tissue, and is particularly capable of promoting follicle maturation and increasing the number of ovulations.

Abstract: The present application discloses a sample cryogenic storage pipe. The sample cryogenic storage pipe includes a pipe body and a one-piece pipe cap removably assembled to the pipe body; the pipe body has an upper opening and a lower opening at the bottom, a pipe sleeve is provided below the upper opening inside the pipe body, and the pipe body is provided with a weighting portion; the pipe cap includes a pipe-cap mating portion and a sample loading rod integrally formed with the pipe-cap mating portion, and the sample loading rod, on at least one side thereof, is provided with a storage groove for storing one or more samples; the pipe-cap mating portion is removably assembled to the upper opening at the top, and the sample loading rod is able to be inserted into the pipe sleeve or be removed from the pipe sleeve. The present application also discloses a sample cryogenic storage device.

Abstract: The present application discloses a sample cryogenic storage pipe. The sample cryogenic storage pipe includes a pipe body and a one-piece pipe cap removably configured in the pipe body; there is an opening portion on an upper portion of the pipe body, a sleeve of the pipe body is provided below the opening portion, and a sealed cavity is formed between the sleeve and a pipe wall of the pipe body; the pipe cap includes a pipe cap mating portion and a sample loading rod integrally formed with the pipe cap mating portion, and the sample loading rod, on at least one side thereof, is provided with a storage groove for storing a sample; and the pipe cap mating portion is removably configured on the opening portion of the pipe body, and the sample loading rod is able to be inserted into the sleeve of the pipe body or be removed from the sleeve of the pipe body. The present application also discloses a sample cryogenic storage device.