vitellogenesis


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Related to vitellogenesis: vitellogenic, Vitellogenin

vi·tel·lo·gen·e·sis

(vī'tel-ō-jen'ĕ-sis, vī'tĕ-lō-),
Formation of the yolk and its accumulation in the yolk sac.
[L. vitellus, yolk, + G. genesis, production]

vitellogenesis

(vīt′l-ō-jĕn′ĭ-sĭs, vĭt′-)
n.
Formation of the yolk of an egg.

vi′tel·lo·ge·net′ic (-jə-nĕt′ĭk), vi′tel·lo·gen′ic (-jĕn′ĭk) adj.
References in periodicals archive ?
In the primary vitellogenesis stage, oil globule oocytes measured 180-185 [micro]m in diameter.
Ovarian stage III showed oocyte development in early vitellogenesis, indicating maturation from previtellogenesis to vitellogenesis, with the presence of Pv3 and Vol.
In teleost, apoptosis is important in the selection and recruitment of follicles for vitellogenesis and in ovarian regression after spawning (Santos et al.
It has been suggested that this species has a biennial cycle with consecutive vitellogenesis and gestation and with discontinuous ovulation in specimens captured in waters of Australia and the southwest Atlantic Ocean (Lucifora et al., 2002; Bansemer, 2009).
Hence, the cephalothorax and pleon of females were analyzed separately to determine whether they consume lipids, proteins, and glycogen from a specific body part during vitellogenesis.
We determined egg production by counting subsamples of unfertilized eggs, referable to "gonad stage 3" in Wyllie Echeverria (1987) or "vitellogenesis" in Love et al.
As mentioned, sex differences in lipid metabolism have already been reported, with laying hens showing an estrogen enhanced hepatic lipogenesis in order to meet the demand for vitellogenesis (Hermier, 1997).
Vitellogenesis during the ovarian development in freshwater female prawn Macrobrachium rosenbergii (De Man).
On the right, oocytes have increased in size thanks to progression of vitellogenesis. Note the network of actin fibers (in green) surrounding the egg chamber.
Influence of temperature regime on endocrine parameters and vitellogenesis during experimental maturation of "European eel" (Anguilla anguilla) females.