(n.) An eel-like marsipobranch of the genus Petromyzon, and allied genera. The lampreys have a round, sucking mouth, without jaws, but set with numerous minute teeth, and one to three larger teeth on the palate (see Illust. of Cyclostomi). There are seven small branchial openings on each side.
Example Sentences:
(1) The buccal glands of adults of the Southern Hemisphere lamprey Geotria australis consist of a pair of small, bean-shaped, hollow sacs, embedded within the basilaris muscle in the region below the eyes and to either side of the piston cartilage.
(2) The presence in lamprey kidney of a loop which is similar to Henle's loop in mammals and birds indicates that the development of the system of osmotic concentration conditioned by the formation in the kidney of the medulla and from a sharp increase in renal arterial blood supply.
(3) However, the granulocytes of fishes, studied thus far, show granules with only one type of inclusion, whereas in lamprey the granulocyte inclusions are variable in size and shape.
(4) The terminal of the lamprey was nakedly situated on the ventral surface, while that of the hagfish was always covered by the superficial glial layer.
(5) In addition teeth from adult lamprey were successfully cultured in vitro.
(6) Swimming in the lamprey is accomplished by the generation of a travelling wave of body curvature in which the phase coupling between segments is so controlled as to give approximately one full wavelength on the body at any swimming speed.
(7) In lampreys, the majority of HRP-labeled cells were located along the length of the brainstem reticular formation in the inferior, middle, and superior reticular nuclei of the medulla, mesencephalic tegmentum, and nucleus of the medial longitudinal fasciculus.
(8) Immunoreactivity of antisera directed against human neuropeptide Y (NPY), anglerfish polypeptide YG (aPY), bovine pancreatic polypeptide (bPP), salmon pancreatic polypeptide (sPP), porcine peptide tyrosine tyrosine (PYY), and salmon glucagon-like peptide (GLP) was investigated in the endocrine pancreas and anterior intestine of adult lampreys, Petromyzon marinus, by immunohistochemical analysis.
(9) The hemeproteins included human methemoglobin A, lamprey methemoglobin, metchlorocruorin, horse metmyoglobin, and horseradish peroxidase.
(10) In the lamprey only, weakly blue-green fluorescent subependymal cells were seen just beneath the central canal.
(11) Primary lateralis projections in silver lampreys, Ichthyomyzon unicuspis, and young adult sea lampreys, Petromyzon marinus, were examined utilizing silver impregnation of degenerating fibers and transganglionic transport of horseradish peroxidase.
(12) Intracellular recordings were made from 76 neurons belonging to various cell types in the lamprey spinal cord, and these neurons were subsequently stained with Lucifer yellow.
(13) The presumed lack of gonadotropin-releasing hormone in the nervus terminalis of lampreys is discussed.
(14) The structure and fine structure of the pituitary gland in the sea lamprey, Petromyzon marinus L., are described at all major stages in the life cycle.
(15) The results suggest that the lamprey spinal cord has several fiber systems containing peptides sharing immunogenic properties with mammalian neuropeptides.
(16) Antibodies against myelin proteins were utilized in the analysis of total particulate material from the brains of the agnathan hagfish and lamprey.
(17) A similar distribution of opioid binding sites was seen in the eel and lamprey brain.
(18) Fragments that consisted mainly of two polysaccharide chains joined by a short polypeptide bridge (doublets) were prepared from chondroitin sulphate-proteins of lamprey, sturgeon, elasmobranch and ox connective tissues after hydrolysis with trypsin and chymotrypsin.
(19) The presence of elastic-like fibers and elastin-like material within some lamprey cartilages implies that this protein may have evolved earlier in vertebrate history than has been previously suggested.
(20) Some immunological relatedness between the hagfish enzyme and the enzyme from lamprey or skate was demonstrated.
Sucking
Definition:
(p. pr. & vb. n.) of Suck
(a.) Drawing milk from the mother or dam; hence, colloquially, young, inexperienced, as, a sucking infant; a sucking calf.
Example Sentences:
(1) He said: "This is a wonderful town but Tesco will suck the life out of the greengrocers, butchers, off-licence, and then it is only a matter of time for us too.
(2) The referendum shows that democracy really sucks – that democracy does not deliver stability, prosperity [or] responsible government,” Tsang said.
(3) The ratio of the intrapleural pressure shift to magnitude of phasic changes of the blood flow in the posterior v. cava (the pumping coefficient) is suggested for estimation of effect of the chest sucking function upon the venous outflow and for relative estimation of rigidity of the vascular bed's venous portion.
(4) The umpires allow them a different one, perhaps because the previous incumbent was wet - it landed in a puddle, where the water-sucking thing had egested, apparently.
(5) Clinically the word vampirism should be used to name all sexual or agressive acts, whether blood-sucking happens or not, committed on a dead or dying person.
(6) To examine this proposal VIP concentrations in plasma from arterial, gastric venous and intestinal venous blood were measured in healthy conscious lambs before, during and after teasing with, and sucking of milk.
(7) In spite of this fact, it has not been possible in this study to establish a significant correlation between previous dummy-sucking and the development of cross-bite in the permanent dentition.
(8) Indications for surgery were haemorrhage from a major systemic or pulmonary vessel or the heart, cardiac tamponade, diaphragmatic penetration, oesophageal and bronchial tears, and sucking chest wounds.
(9) The Peppers like to be jerks (at Dingwalls Swan dedicated a song to “all you whiney Britishers who can suck my American cock”), but don’t let the surface attitude fool you.
(10) Getting a divorce really sucks,” she says, adding that she still doesn’t view their nine-year marriage as a failure.
(11) The present study investigated the way that sucking of a pacifier influences gastric secretory and motor functions in connection with tube feeding.
(12) To isolate single spores from adhesive ascospores and the mycelium, the suspension was sucked through a combination of sintered-glass plates with different pore sizes.
(13) Additionally Group I received fluoride tablets (FLUDENT) for daily sucking twice a day plus a placebo dentifrice free of fluoride.
(14) To stop the arteriolar flow and allow perfusion pressure, as set by a mercury manometer, to be built up in the lumen of the vessel, the glomerulus was sucked into a constriction pipette.
(15) Receptors for epidermal growth factor (EGF) were characterized on the intestinal membranes of newborn, sucking and weaned pigs.
(16) Charles said the drive to make food cheaper for consumers and to earn companies bigger profits was sucking real value out of the food production system – value that was critical to its sustainability.
(17) A few minutes after sucking a lozenge for a sore throat a 68-year-old man developed an anaphylactic shock.
(18) The changes are so typical that the manner and even the object of sucking can often be inferred from them with considerable certitude.
(19) "He's given the ball away four or five times when there were easier options available and he is arguably at fault for the goal for getting sucked in and failing to track Pedro.
(20) UN troops have been sucked into the latest violence, using helicopter gunships against the rebels.