VITELLOGENIN II Meaning and
Definition
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Vitellogenin II is a protein that plays a crucial role in vitellogenesis, the process of yolk formation in female egg-laying organisms, particularly in fish. It is a precursor protein that is synthesized and secreted by the liver cells upon stimulation by estrogen hormones.
The term "vitellogenin II" specifically refers to a second isoform or variant of the vitellogenin protein that is found in certain species. Vitellogenin II is distinguishable from the other variants based on its molecular weight and amino acid sequence.
During vitellogenesis, vitellogenin II is transported through the bloodstream to the developing oocytes (immature eggs) via specific receptors located on their cell membranes. Once inside the oocytes, this protein undergoes specific enzymatic modifications and is eventually converted into yolk proteins, which provide necessary nutrients and energy for the developing embryo.
Vitellogenin II is primarily produced in response to the reproductive and hormonal signals that signify the onset of egg-laying. Its concentration in the bloodstream can be used as a biomarker for assessing the reproductive status of female fish.
In ecotoxicological studies, the presence and levels of vitellogenin II can also be used to evaluate the effects of exposure to endocrine-disrupting chemicals and environmental stressors, as these substances may disrupt the normal regulation of yolk formation and reproductive processes in the organism.
Common Misspellings for VITELLOGENIN II
- citellogenin ii
- bitellogenin ii
- gitellogenin ii
- fitellogenin ii
- vutellogenin ii
- vjtellogenin ii
- vktellogenin ii
- votellogenin ii
- v9tellogenin ii
- v8tellogenin ii
- virellogenin ii
- vifellogenin ii
- vigellogenin ii
- viyellogenin ii
- vi6ellogenin ii
- vi5ellogenin ii
- vitwllogenin ii
- vitsllogenin ii
- vitdllogenin ii
- vitrllogenin ii
Etymology of VITELLOGENIN II
The word "Vitellogenin II" has a technical etymology due to its scientific nature. It is composed of two parts:
1. Vitellogenin: The term "vitellogenin" is derived from the Latin word "vitellus", which means yolk. "Genin" is a suffix that is commonly used in biology to indicate a substance or molecule. Therefore, "vitellogenin" refers to a protein or substance involved in the formation or transport of yolk in eggs.
2. II: The Roman numeral "II" is added to denote the second variant or type of vitellogenin. It distinguishes Vitellogenin II from other forms of the same protein that may exist.
Together, "Vitellogenin II" refers to a specific variant of the vitellogenin protein.
