eyestalk

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Related to eyestalk: koine

eyestalk

(ī′stôk′)

A movable structure in certain crustaceans, such as crabs and shrimp, that bears an eye at the tip.

References in periodicals archive ?

Only animals that tested positive were used for the assessment of CsRV1 infection in the eyestalk ganglia because this required sacrifice of the animal and loss of potential broodstock.

REOVIRUS INFECTION CHANGES TRANSCRIPT LEVELS OF EUKARYOTIC TRANSLATION INITIATION FACTOR 4E (eIF4E) FAMILY MEMBERS AND eIF4E-BINDING PROTEIN (4E-BP) IN THE BLUE CRAB CALLINECTES SAPIDUS

In the case of the eyestalk, it should be pointed out that the three CA presented an initial increase, although not significant for norepinephrine, followed by different oscillating patterns depending on the particular CA.

Neuroendocrine and metabolic responses of Pacific whiteleg shrimp Penaeus vannamei exposed to hypoxia stress

As with other species [3,20-22] the eyestalk ablation was found to be the best technique in the maturation and spawning of the pacific white shrimp L.

Procedure for maturation and spawning of imported shrimp Litopenaeus vannamei in commercial hatchery, South East Coast of India

Reproduction of Penaeus kerathurus using eyestalk ablation.

Female growth and offspring quality over successive spawnings in a caridean shrimp Neocaridina davidi (Decapoda, Atyidae) with direct development

Ten individuals were randomly divided into two groups, one group for eyestalk ablation (bilateral ablation) and the other group for ecdysone injection (0.5ug/g).

Characterization and Function of a Gene Pc 14-3-3 Isoform from Red Crayfish, Procambarus clarki

The technique of unilateral eyestalk ablation has been applied with success on the gonadal maturation induction of crustacean decapods (PRIMAVERA, 1978), resulting in anticipation of ovigerous condition and an increase in spawning frequency.

Influencia da ablacao do pedunculo ocular na reproducao do camarao de agua doce Macrobrachium acanthurus em cativeiro

On the other hand, endogenous dopamine showed to have an in vitro stimulatory effect on the secretion of the gonad-inhibiting hormone (GIH) by the eyestalks of the crab Chasmagnathus granulata, such effect being abolished by the addition to the incubation medium of the dopaminergic antagonist spiperone (Zapata et al.

Induction of ovarian growth in Aegla platensis (Crustacea, Aeglidae) by means of neuroregulators incorporated to food

The initial volume ran 106 pages and carried nine articles on topics ranging from the effects of eyestalk ablation on molting, growth, reproduction, and energy budget of Macrobrachium nobilii; leguiminous seeds as protein sources for milkfish, and maintenance of genetic quality in cultured tilapia, to parasites of wild and diseased young cultured golden snappers in Malaysia, aspects of reproductive biology of stolephorid anchovies in Papua New Guinea, and experimental culture of Penaeus semisulcatus, P.

Asian Fisheries Science

The siphonal canal is a notch-like extension of the aperture through which the left eyestalk often protrudes in a non-sedated animal.

HISTOLOGY ATLAS AND SYSTEMATIC APPROACH TO POSTMORTEM EXAMINATION OF THE QUEEN CONCH LOBATUS GIGAS

In this study, we generated the whole transcriptome of Penaeus penicillatus from four combined tissues (eyestalk, muscle, intestinal and viscus) using High-seq sequencing technology.

De novo Assembly and Annotation of the Whole Transcriptome of Penaeus penicillatus

Hypertrophy of the AG was induced by bilateral eyestalk ablation (Khalaila et al., 2002).

Isolation and characterization of partial insulin-like androgenic gland hormone gene from distal terminal ampoules of three marine shrimp Penaeus species from the Eastern Pacific

SERCA transcript abundance in Y-organs was assessed by quantitative PCR after eyestalk ablation, and during a natural molting cycle.