(1) The eyes of certain marine gastropods including Aplysia and Bulla, contain circadian pacemakers, which produce a circadian rhythm of autogenous compound action potential (CAP) activity.
(2) Escherichia coli transformed with a plasmid carrying the RuBisCO operon of the gastropod symbiont in the proper orientation for transcription from the plasmid lac promoter expressed catalytically active RuBisCO.
(3) Parelaphostrongylus tenuis infections were found in 15 gastropods (2.2% prevalence) representing 5 species; 5 of the infected gastropods were D. laeve.
(4) Ecdysteroids have been detected in trematode parasites and in several species of gastropod snails.
(5) The fluorescent dye 5(6)-carboxyfluorescein (5-CF) travels quickly up the nerves of the gastropod mollusc, Lymnaea stagnalis into the buccal ganglia and fills the cell bodies in 1-3 h. 5-CF filled neurones can be located in the intact ganglia with low intensity blue light.
(6) The structure and function of the digestive gland of the gastropod mollusc, Bithynia tentaculata, was investigated using ultrastructural, histochemical, and cytochemical techniques.
(7) We have begun the study of the molecular and cell biology of embryos, larvae and recruits having as a final goal, the development of appropriate biotechnologies to rear this gastropod.
(8) The marine gastropods Acmaea (Collisella) limatula and Acmaea (Notoacmea) scutum respond to distant predatory starfish (i.e.
(9) Immunocytochemical methods using an antiserum raised against ovine corticoliberin revealed perikarya and processes in the central and peripheral nervous system of the Pulmonate Gastropod Helix pomatia.
(10) The distribution of monoamines in the central ganglia of the nudibranch gastropod Hermissenda crassicornis was examined through the histological localization of both glyoxylic acid-induced fluorescence and serotonin-like immunoreactivity.
(11) The hemocyanins of the Fissurellidae, Naticidae and Melongenidae families of marine gastropods as well as some other molluscs including some members of the Opistobranchia and Bivalvia groups have hemocyanins which exist in solution as tri-decameric and mixed, multi-decameric aggregates characterized by sedimentation coefficients close to 100 S, 130 S, 150 S, 170 S and 200 S to 230 S. 2.
(12) The accumulation of cadmium, zinc and copper by the marine gastropod molluscs Patella vulgata and Patella intermedia has been studied by gel permeation chromatography of water-soluble extracts of environmentally contaminated shellfish.
(13) The effect of antipsychotic drugs was tested on responses to micro-electrophoretically applied dopamine, acetylcholine and 5-hydroxytryptamine in identified neurons of the marine gastropod Aplysia californica.
(14) The distribution of FMRFamide-like material in the gastropod mollusc, Helix aspersa, was studied by radioimmunoassay (RIA) and immunocytochemistry.
(15) The local anesthetic effects of cocaine and one of its main metabolites norcocaine, were investigated comparatively on isolated ganglion cells of the marine gastropod, Aplysia californica.
(16) Previous research suggests that gut distension by ingested bulk plays an important role in the regulation of food intake in gastropod molluscs.
(17) Hemocytes taken from six different gastropod snails, Achatina achatina, A. fulica, Biomphalaria glabrata, Bulinus natalensis, Helix aspersa, and Lymnaea stagnalis, were compared for morphology, peroxidase activity, and, using methods developed for L. stagnalis, the ability to generate reactive oxygen inermediates upon phagocytic stimulation.
(18) The total amount of retinochrome in the retina was several times higher than that of rhodopsin, distinguishing the gastropod eye from the cephalopod eye.
(19) Among the known intermediate filament proteins, NF60 and NF70 neurofilament proteins show highest similarity to an epithelial intermediate filament protein from Helix pomatia, a gastropod mollusk, and are less similar to vertebrate neurofilaments.
(20) Aposymbiotic Aiptasia polyps reinfected with zooxanthellae from the gastropod Melibe pilosa and the clam Tridacna maxima grew no better than polyps lacking zooxanthellae.
Snout
Definition:
(n.) The long, projecting nose of a beast, as of swine.
(n.) The nose of a man; -- in contempt.
(n.) The nozzle of a pipe, hose, etc.
(n.) The anterior prolongation of the head of a gastropod; -- called also rostrum.
(n.) The anterior prolongation of the head of weevils and allied beetles.
(v. t.) To furnish with a nozzle or point.
Example Sentences:
(1) The results show that proteins whose size, charge, and biochemical behavior are very similar to those of desmoplakin I and band 5 protein of cow snout epidermis are present in all desmosomes examined.
(2) The broadcasting regulator received 122 complaints from viewers concerned that it appeared that Wendy had a mechanical device covering her snout to make her “talk”, and that caused the animal distress.
(3) Receptor threshold was best measured not in air but with the snout immersed in tap water.
(4) A polypeptide of identical molecular mass (Mr 83,000) and charge to desmosomal plakoglobin from bovine snout epidermis was identified in soluble and pelletable fractions from diverse tissues and cells of different mammalian species, including cells and tissues devoid of desmosomes (e.g.
(5) Thus, the pattern of sensory innervation in the glabrous rat snout skin is similar to that found in other furred species described to date, but in addition, the sensory innervation of ridged skin in the rat also resembles that of epidermis organized into rete pegs.
(6) While all three were considered effective for symptom relief, there was a clear preference for both of the new longer, snout-like nozzle adapters over the currently available delivery system.
(7) In other words, it can be said that the minor reflexive movements of the jaw might have been controlled by the sensory inputs coming from the snout sensory receptor organs.
(8) Behavioral arousal evoked by lightly touching the fish on the snout or over the eye resembled spontaneous arousal observed in the field and consisted of eye withdrawal, fin erection, and attempted swimming.
(9) When the snout was uncovered a lamb in good condition drew its first breath and the spreading of the contrast material into the peripheral parts of the lungs was almost explosive.
(10) The difference in the two established outlines of the snout represented the changes in size and shape in two dimensions that had occurred during the 10 weeks period.
(11) Epidermal explants from the snout region of 12.5- to 13-day embryos were grown in culture for periods of up to 2 weeks.
(12) When euthanized 15 days after the last DNT administration no snout lesions were found in passively immunized piglets, whereas control animals showed severe turbinate atrophy and other changes typical for atrophic rhinitis.
(13) Many showed the following aberrant neurological signs: Pallaesthesia and dermolexia were extinct in the lower extremities; the ankle jerks could not be elicited; the palmomental, orbicularis oris reflex, grasping and the snout reflexes were positive; there was a hypokinetic-hypertonic motor syndrome.
(14) Quantitative DNA cytophotometric investigations were performed to clarify some aspects of the differentiation and fate of nuclei in bovine snout and human epidermis representing various sites and different degrees of keratinization.
(15) The behavior categories included grooming, yawning, turning, nodding and gnawing, as well as snout contact and nonsnout contact variants of locomoting, rearing and sitting.
(16) Among five efts of the smallest size (26.54 plus or minus 2.20 mm snout-to-vent length), and displaying bright orange dorsal skin coloration, all carpal rudiments were cartilaginous.
(17) After movements along these two dimensions increase in amplitude and involve the whole body, vertical (dorsal-ventral) head scans with snout contact (along vertical surfaces) typically appear, and increase gradually in amplitude.
(18) Separate dorsal, lateral and ventral cartilages and fenestrations in the septal cartilage permit snout flexibility.
(19) Absence of snout contact was induced by placement of the rat on a square elevated platform.
(20) At slaughter, individual pig lungs and snout were examined for lesions of pneumonia and atrophic rhinitis, respectively.