Ecdysteroids and ovarian development in the shore crab, Carcinus maenas. 1981

F Lachaise, and M Goudeau, and C Hetru, and C Kappler, and J A Hoffmann

Mature ovaries of the shore crab Carcinus maenas contain large concentrations of three major ecdysteroids which we have identified by physicochemical methods as ecdysone, 20-hydroxyecdysone and ponasterone A. The fluctuations of ovarian and blood ecdysteroid concentrations are presented in relation to the various stages of ovarian development.

UI MeSH Term Description Entries
D010053 Ovary The reproductive organ (GONADS) in female animals. In vertebrates, the ovary contains two functional parts: the OVARIAN FOLLICLE for the production of female germ cells (OOGENESIS); and the endocrine cells (GRANULOSA CELLS; THECA CELLS; and LUTEAL CELLS) for the production of ESTROGENS and PROGESTERONE. Ovaries
D011863 Radioimmunoassay Classic quantitative assay for detection of antigen-antibody reactions using a radioactively labeled substance (radioligand) either directly or indirectly to measure the binding of the unlabeled substance to a specific antibody or other receptor system. Non-immunogenic substances (e.g., haptens) can be measured if coupled to larger carrier proteins (e.g., bovine gamma-globulin or human serum albumin) capable of inducing antibody formation. Radioimmunoassays
D003386 Brachyura An infraorder of chiefly marine, largely carnivorous CRUSTACEA, in the order DECAPODA, including the genera Cancer, Uca, and Callinectes. Blue Crab,Callinectes sapidus,Carcinus maenas,Crab, Blue,Crab, Common Shore,Crab, Green,Crabs, Short-Tailed,Crabs, True,Green Crab,Uca,Common Shore Crab,European Shore Crab,Blue Crabs,Brachyuras,Carcinus maena,Common Shore Crabs,Crab, European Shore,Crab, Short-Tailed,Crab, True,Crabs, Blue,Crabs, Common Shore,Crabs, Green,Crabs, Short Tailed,Green Crabs,Shore Crab, Common,Shore Crab, European,Shore Crabs, Common,Short-Tailed Crab,Short-Tailed Crabs,True Crab,True Crabs,Ucas,maenas, Carcinus
D003429 Cross Reactions Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. Cross Reaction,Reaction, Cross,Reactions, Cross
D004440 Ecdysone A steroid hormone that regulates the processes of MOLTING or ecdysis in insects. Molting Hormone
D004441 Ecdysterone A steroid hormone that regulates the processes of MOLTING or ecdysis in insects. Ecdysterone is the 20-hydroxylated ECDYSONE. 20-Hydroxyecdysone,Beta-Ecdysone,Crustecdysone,20 Hydroxyecdysone,Beta Ecdysone
D005260 Female Females
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012741 Sexual Maturation Achievement of full sexual capacity in animals and in humans. Sex Maturation,Maturation, Sex,Maturation, Sexual

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