منابع مشابه
Functional polarity of the tentacle of the sea anemone Anemonia viridis: role in inorganic carbon acquisition.
The oral epithelial layers of anthozoans have a polarized morphology: photosynthetic endosymbionts live within endodermal cells facing the coelenteric cavity and are separated from the external seawater by the ectodermal layer and the mesoglea. To study if this morphology plays a role in the supply of inorganic carbon for symbiont photosynthesis, we measured the change in pH and the rate of OH-...
متن کاملExperiments with Tentacle Robots
An ideal tentacle manipulator is a non-conventional robotic arm with an infinite mobility. It has the capability of taking sophisticated shapes and of achieving any position and orientation in a 3D space. A tentacle manipulator is a hyper redundant or hyper degree of freedom manipulator. Hyper redundant robots produce changes of configuration using a continuous backbone made of sections which b...
متن کاملChemosensory response in stunted prairie rattlesnakes Crotalus viridis viridis
Rattlesnakes use chemical stimuli in ambush site selection and for relocation of envenomated prey through strike-induced chemosensory searching. Shifts in responsiveness to prey chemicals have been documented in many snakes, and often correlate with prey commonly taken as snakes increase in age and size as well as geographical locations of the species. For instance, neonate rattlesnakes that pr...
متن کاملTentacle: distributed quantification of genes in metagenomes
BACKGROUND In metagenomics, microbial communities are sequenced at increasingly high resolution, generating datasets with billions of DNA fragments. Novel methods that can efficiently process the growing volumes of sequence data are necessary for the accurate analysis and interpretation of existing and upcoming metagenomes. FINDINGS Here we present Tentacle, which is a novel framework that us...
متن کاملPlanning Practical Paths for Tentacle Robots
Robots with many degrees of freedom with one fixed end are known as tentacle robots due to their similarity to the tentacles found on squid and octopus. Tentacle robots offer advantages over traditional robots in many scenarios due to their enhanced flexibility and reachability. Planning practical paths for these devices is challenging due to their high degrees of freedom (DOFs). Sampling-based...
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ژورنال
عنوان ژورنال: The Biological Bulletin
سال: 1978
ISSN: 0006-3185,1939-8697
DOI: 10.2307/1540877