(1) The data obtained imply that Henle's loop is present in the kidneys not only of higher Vertebrates, but of Cyclostomes as well.
(2) The histochemical localization of some enzymatic activities is surveyed in the optic tectum of vertebrates from cyclostomes to birds.
(3) Insulin has been isolated and purified from the islet organs of the cyclostome, Myxine glutinosa, by means of acid-ethanol extraction, fractional precipitation, and gel filtration.
(4) Phylogenetic comparisons of 18S ribosomal RNA sequences from two hagfishes, two lampreys, a tunicate, a lancelet, and a number of gnathostomes support the monophyly of the cyclostomes.
(5) Type I-like collagens were isolated by limited pepsin digestion from various tissues of lamprey, a member of the cyclostomes.
(6) Visual projections in the telencephalon of cyclostomes (lampreys) and retinothalamo-telencephalic channel in elasmobranches (skates) are shown.
(7) M. glutinosa is a cyclostome, living in the mud in seawater of high salinity.
(8) Lampreys and hagfishes (cyclostomes) traditionally were considered to be a natural (monophyletic) group.
(9) Cyclostomes and Teleosts are myopic and move the lens backward to accommodate for distance.
(10) Comparative anatomical studies show that the spleen appears as a condensation of the lymphomyeloid complex in the spiral fold of the gut in cyclostomes.
(11) No evidence for divergence of cyclostome lymphocytes into separate T- and B-cell systems has yet been discerned.
(12) The concentration and distribution of this tissue in chondrosteans appear to be a condition intermediate between that of cyclostomes and teleosts.
(13) Antisera were then tested immunocytochemically in order (i) to identify amino acids essential for the binding of each antiserum, and (ii) to evaluate the specificity of the immunocytochemical reaction in brain sections from various species of cyclostomes, amphibians, reptiles, and birds.
(14) With the exception of cyclostomes, glial filaments appeared remarkably conserved in vertebrate phylogeny, both with respect to the molecular weight and immunoreactivity of their protein subunit.
(15) Central projections of the nervus terminalis were investigated in a cyclostome (Lampetra planeri), in a sarcopterygian (Protopterus dolloi), and in an actinopterygian fish (Polypterus palmas), following the injection of horseradish peroxidase into the olfactory epithelium.
(16) We have recently found that two different NPY-related molecules are present in the CNS of a cyclostome, the river lamprey (Lampetra fluviatilis) (Söderberg et al., 1991).
(17) Cytoplasmic annylate lamellae were found in the islet organ of a cyclostome, the hagfish (Myxine glutinosa), predominantly in cells interpreted as young proliferating beta-cells, and also in endocrine cells and enterocytes of the bile duct and gut and in the endothelial cells of small blood vessels.
(18) Production of definitive generation erythrocytes is centered in evolutionary "pre-splenic" tissue of the gastrointestinal tract or in the spleen in cyclostomes, dipnoi, and chondrichthyes while in teleosts it is typically located in the kidneys with or without splenic participation.
(19) Collectively these observations indicate that pro-enkephalin-related opioid peptides are present in the brain of cyclostomes.
(20) Elastin was found in all vertebrates examined (42 species) with the exception of cyclostomes (3 species).
Fish
Definition:
(n.) A counter, used in various games.
(pl. ) of Fish
(n.) A name loosely applied in popular usage to many animals of diverse characteristics, living in the water.
(n.) An oviparous, vertebrate animal usually having fins and a covering scales or plates. It breathes by means of gills, and lives almost entirely in the water. See Pisces.
(n.) The twelfth sign of the zodiac; Pisces.
(n.) The flesh of fish, used as food.
(n.) A purchase used to fish the anchor.
(n.) A piece of timber, somewhat in the form of a fish, used to strengthen a mast or yard.
(v. i.) To attempt to catch fish; to be employed in taking fish, by any means, as by angling or drawing a net.
(v. i.) To seek to obtain by artifice, or indirectly to seek to draw forth; as, to fish for compliments.
(v. t.) To catch; to draw out or up; as, to fish up an anchor.
(v. t.) To search by raking or sweeping.
(v. t.) To try with a fishing rod; to catch fish in; as, to fish a stream.
(v. t.) To strengthen (a beam, mast, etc.), or unite end to end (two timbers, railroad rails, etc.) by bolting a plank, timber, or plate to the beam, mast, or timbers, lengthwise on one or both sides. See Fish joint, under Fish, n.
Example Sentences:
(1) Both the vitellogenesis and the GtH cell activity are restored in the fish exposed to short photoperiod if it is followed by a long photoperiod.
(2) Roadford Lake with over 730 acres for watersports, fishing and birdwatching plus paths and bridleways.
(3) External exposures to a contaminated fishing net and fishing boat are considered pathways for fishermen.
(4) Two fully matured specimens were collected from the blood vessel of two fish, Theragra chalcogramma, which was bought at the Emun market of Seoul in May, 1985.
(5) The telencephalon of teleost fish shows high affinity uptake for D-[3H]aspartate, intermediate levels of GABAergic markers and low levels of cholinergic enzymes.
(6) The authors present the first results on the utilization of fish infusion (IFP) as a basic medium for the cultivation of bacteria.
(7) In telecost fishes, the corpuscles of Stannius contain Bowie-stainable granules and a renin-like pressor substance.
(8) Fish were trained monocularly via the compressed or the normal visual field using an aversive classical conditioning model.
(9) Alternatively, try the Hawaii Fish O nights, every Friday from 26 July until the end of August, featuring a one-hour paddleboard lesson, followed by a fish-and-chip supper looking out over the waves you've just battled (£16.75).
(10) Small and medium fish swim up when stressed, whereas larger fish swim down.
(11) Macron hit back on Twitter, saying her proposals to take France out of the EU would destroy France’s fishing industry.
(12) Careless Herbicidal aerial spray of a field for weed control and defoliation of cotton before machine picking, resulted in the contamination of an adjoining reservoir, killing large volume of fish.
(13) The function of these triple cones can not be deduced from the behavior patterns of these fishes.
(14) Both fatty acid composition and the degree of lipid peroxidation were measured in this study in 23 OTC fish oil preparations.
(15) The possibility of mammalian mitochondria functioning in fish embryos has been studied.
(16) Instead, they say, we should only eat plenty of lean meat and fish, with fruit and raw vegetables on the side.
(17) The nerve endings in the heart of fishes were studied using silver impregnation techniques.
(18) As for fish attractiveness, motion, freshness, size, color and species were found as important parameters in the food-preference mechanism.
(19) Interest in the antithrombotic potential of diets enriched with fish oil-derived polyunsaturated fatty acids (omega-3 PUFAs) prompted us to examine how these fatty acids, when taken preoperatively, affect hemostasis, plasma lipid levels, and production of prostacyclin (PGI2) by vascular tissues in atherosclerotic patients undergoing coronary artery bypass graft surgery.
(20) The olfactory organs of fishes are diversely developed.