Features of the Formation of an Ovulatory Wave of Hypophysis Gonadotropins in High Fecundity Fish

Study on the state of bighead carp Aristichthys nobilis females' central and peripheral of hypothesis gonadotropocytes at light and electron microscopy levels after stimulation of ripening a chorionic gonadotropin revealed that the amount of secretory material diminishes in both types of cells....

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Bibliographic Details
Published inJournal of ichthyology Vol. 58; no. 2; pp. 239 - 247
Main Author Burlakov, A. B.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.03.2018
Springer Nature B.V
Subjects
Biomedical and Life Sciences
Chorionic gonadotropin
Electron microscopy
Endoplasmic reticulum
Excretion
Fecundity
Females
Fish
Freshwater fishes
Gonadotropins
Life Sciences
Pituitary
Pituitary (anterior)
Pituitary gland
Ripening
Secretion
Secretory vesicles
Zoology
hypophyse
gonadotropins
gonadotropocytes
Pisces
fecundity
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Summary:Study on the state of bighead carp Aristichthys nobilis females' central and peripheral of hypothesis gonadotropocytes at light and electron microscopy levels after stimulation of ripening a chorionic gonadotropin revealed that the amount of secretory material diminishes in both types of cells. Intensive excretion of both secretory granules and content of cisterns of the granular endoplasmic reticulum take place. Formation by the hypophysis of an ovulatory wave of the gonadotropin in the females with different fecundity differs due to the change in proportions of processes of mero- and holocrine secretion.
ISSN:0032-9452
1555-6425
DOI:10.1134/S0032945218020030