Balanoid

Bal´a`noid


a.1.(Zool.) Resembling an acorn; - applied to a group of barnacles having shells shaped like acorns. See Acornshell, and Barnacle.
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In the studied areas, four types of encrusters were recorded, in descending order of abundance they are: balanoid barnacles, polychaetes, bivalves and bryozoa.
The balanoid barnacles Balanus perforatus is the most common encrusters in the studied areas.
Balanoid barnacles represent the most common encrusters, and are probably the most abundant ones in the terms of area occupied and skeletal biomass.
Balanoids, polychaetes, bivalves and bryozoans are the recorded encrusters.
The first cellular changes observed are epithelial hyperplasia, balanoid degeneration of the stratum spinosum cells, hyperplasia of the basal membrane of the epidermis, edema and granulomatous inflammation and in a few days the lesions become pustules (1).
In the histopathology, skin samples showed hyperkeratosis, balanoid degeneration of keratinocytes, neutrophilic infiltrated, intracytoplasmic, eosinophilic inclusion bodies, neovascularization with congestion, edema and hemorrhage.
2004), estimates of the substitution rate [mu] have only been calculated for this portion of the mtCOI locus in balanoid barnacles (see Materials and Methods).
New genera and species of balanoid barnacles from the Oligocene and Miocene of North Carolina.
Amongst balanoid barnacles represented the most common encrusters that were recorded in both gastropod and bivalve shells.
Three types of encrusters were recorded on shells of the present study: balanoid barnacles polychaetes and bivalves (Spondylus and oysters) The most common encruster (52%) in the studied area is the balanoid barnacles genus Balanus.
It is supposed that balanoid barnacles are able to orientate to water movement in order to allow for efficient food collection over a wide range of conditions (El-Hedeny 2007a).
We report here that all of the eyes of both the nauplius and cyprid larvae of balanoid barnacles are labeled when incubated in [H.