(n.) A hollow organ or tube attached to the head, or connected with the mouth, of various animals, and generally used in taking food or drink; a snout; a trunk.
(n.) By extension, applied to various tubelike mouth organs of the lower animals that can be everted or protruded.
(n.) The nose.
Example Sentences:
(1) New structures reported are mesoboscis retractor muscles, the formation of 3 ligament strands from the proboscis retractor muscles, a teloboscis inflator muscle, and conduit through the protrusor muscle sheath.
(2) Facial features that were identified included a proboscis (three cases), midline facial cleft (three cases), and hypotelorism (five cases).
(3) Carbon-tetrachloride was used to maintain the proper positions of the proboscis and the labella rendering a better view of the fine structures.
(4) After ingesting even a small amount of sucrose, the fly begins making frequent, tight turns, flexes its front tarsi to bring more chemosensory hairs into contact with the substrate and repeatedly extends and retracts its proboscis.
(5) The presence of the stimulant factor was established by forcing gravid females to touch the testing water with tarsi and proboscis.
(6) External nares and nasal passageways, albeit blind-ended, were prominent in the proboscis.
(7) The new genus most closely resembles the genus Acanthocephalus; it differs from this genus in having a distinctive pear-shaped proboscis, a long neck, and hooks which abruptly differ in size.
(8) When an Aedes aegypti mosquito bites you, she – because only the females, which need blood as nutrients for their offspring, bite – will probe your skin with her proboscis as many as 20 times.
(9) had penetrated with their proboscis deeply into the tunica muscularis.
(10) There they seem able to distinguish between suitable and unsuitable external conditions and accordingly they will either leave the proboscis completely or retract into the labium.
(11) Parallel studies were carried out to assess the effects of the two drugs on fly feeding behavior, measured as mean acceptance threshold: the minimum sucrose concentration to which the average fly in a population will respond by proboscis extension when its tarsi contact the solution.
(12) Because of their simplicity and potentially low cost, the techniques described here would be appealing for screening large numbers of tsetse samples from the field for the presence of any trypanosome residing in the guts or proboscis of the vector.
(13) Habituation of the proboscis extension response induced by sugar tarsal stimulation was individually studied in males of Drosophila melanogaster all along the adult life span (2-71 days of age at 25 degrees C).
(14) Vital dye marking experiments also indicate that the entire marginal zone maps to the prominent proboscis that is composed of chordamesoderm and represents the long axis of the embryo.
(15) The response was quantified by recording extracellularly from a muscle involved in proboscis movement, by measuring the duration of the proboscis extension, or by determining the number of trials necessary to abolish any visible response.
(16) Proboscis lateralis is a rare craniofacial malformation.
(17) The pharmacology of adult Phormia regina (Meigen) feeding behavior was explored by injecting candidate drugs into starved blowflies and then determining their responsiveness to aqueous sucrose, via the proboscis extension reflex.
(18) Around the oral parts of the tick an infiltration of collagenous fibres of the connective tissue is formed, which serves for a more firm attachment of the parasite, while beneath the proboscis a light band is formed from which the tick sucks the food substratum.
(19) The cyclopia associated with the medial proboscis suggests that both the telencephalon and diencephalon are dysplastic.
(20) The giant Amazon leech Haementeria ghilianii feeds by inserting an exceedingly long tubular proboscis (up to 10 cm) deep into its mammalian host.
Trunk
Definition:
(n.) The stem, or body, of a tree, apart from its limbs and roots; the main stem, without the branches; stock; stalk.
(n.) The body of an animal, apart from the head and limbs.
(n.) The main body of anything; as, the trunk of a vein or of an artery, as distinct from the branches.
(n.) That part of a pilaster which is between the base and the capital, corresponding to the shaft of a column.
(n.) That segment of the body of an insect which is between the head and abdomen, and bears the wings and legs; the thorax; the truncus.
(n.) The proboscis of an elephant.
(n.) The proboscis of an insect.
(n.) A long tube through which pellets of clay, p/as, etc., are driven by the force of the breath.
(n.) A box or chest usually covered with leather, metal, or cloth, or sometimes made of leather, hide, or metal, for containing clothes or other goods; especially, one used to convey the effects of a traveler.
(n.) A flume or sluice in which ores are separated from the slimes in which they are contained.
(n.) A large pipe forming the piston rod of a steam engine, of sufficient diameter to allow one end of the connecting rod to be attached to the crank, and the other end to pass within the pipe directly to the piston, thus making the engine more compact.
(n.) A long, large box, pipe, or conductor, made of plank or metal plates, for various uses, as for conveying air to a mine or to a furnace, water to a mill, grain to an elevator, etc.
(v. t.) To lop off; to curtail; to truncate; to maim.
(v. t.) To extract (ores) from the slimes in which they are contained, by means of a trunk. See Trunk, n., 9.
Example Sentences:
(1) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
(2) When subjects centered themselves actively, or additionally, contracted trunk flexor or extensor muscles to predetermined levels of activity, no increase in trunk positioning accuracy was found.
(3) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
(4) The same dose of clonidine evoked a much larger drop in blood pressure in another group of rats in which an equialent increase in blood pressure was produced by bilateral section of the vagosympathetic trunks and occlusion of both carotid arteries.
(5) Anomalous origin of the left coronary artery from the main pulmonary trunk results in myocardial ischemia or infarction, and may be a cause of death in the first months of life.
(6) Proper maintenance of body orientation was defined to be achieved if the net angular displacement of the head-and-trunk segment was zero during the flight phase of the long jump.
(7) In 1 patient there was concomitant aneurysmal dilatation of the brachiocephalic trunk.
(8) In anesthetized cats, the enhancement of sympathetic activity and increase of the blood pressure in exclusion of afferents (section of vagosympathetic trunks and clamping of common carotid arteries) as well as the disappearance of the activity in enhanced afferentation, were shown to be transient and to disappear within a few minutes-scores of minutes in spite of the going on deafferentation or enhancement of afferentation.
(9) Contact guidance has been suggested to direct NC cells ventrally in the trunk, but this has been subject to doubt (see Newgreen and Erickson, 1986, Int.
(10) This compared favorably with similar patients with melanoma arising either in the trunk or the extremity.
(11) This was true even when the locations of low resistance areas along the dorsal trunk were compared to only those vertebral palpatory findings rated as "severe."
(12) With the use of the method Chick Embryotoxicity Screening Test II (CHEST II), the potential neuropeptides L-prolyl-L-leucyl-glycinamide (MIF), cyclo(1-aminocyclo-pentanecarbonyl-L-alanyl)[cyclo(Acp-Ala)] and cyclo(glycyl-L-leucyl)[Cyclo(Gly-Leu)] were tested in the critical developmental periods of d 1.5 to 4 of chick embryogenesis in order to objectively examine their undesirable interactions with the developing morphogenetic systems of the brain, eye, face, body wall, limbs, trunk and heart.
(13) It occurred chiefly in the upper and lower extremities (40 cases) and less frequently in the trunk (11 cases) and the head and neck region (eight cases).
(14) In males, the predominant site was in the head, neck and trunk while in females it was in the lower limbs Clark level V was found in 35.6% of the cases.
(15) One patient harbored a basilar trunk aneurysm, 1 an aneurysm of the proximal posterior cerebral artery, 3 an aneurysm of the superior cerebellar artery, and 10 an aneurysm at the basilar tip.
(16) Microautoradiography showed that melanin-containing cells in the trunk and head kidney and in the olfactory rosettes also accumulated high amounts of radioactivity.
(17) The cervical sympathetic trunk (CST) was split into two bundles.
(18) The affected twin had classical loss of sc fat from her face, upper arms, and trunk as well as associated hypocomplementemia, microscopic hematuria, and a borderline oral glucose tolerance test without hyperinsulinism.
(19) Secretory function of the operated stomach was studied in 188 patients after trunk and selective vagotomy with distal resection and pyloroplasty of various extent.
(20) The relatively small reservoir and the maintenance of a minimum flow of water on the trunk river means the plant will work on average at barely 40% of its 11,200MW capacity.