(n.) A large ganoid fish (Polyodon spathula) found in the rivers of the Mississippi Valley. It has a long spatula-shaped snout. Called also duck-billed cat, and spoonbill sturgeon.
Example Sentences:
(1) In specimens of shovelnose, Scaphirhynchus platorynchus, and Atlantic sturgeon, Acipenser oxyrhynchus, and paddlefish, Polyodon spathula, evoked potentials recorded from the hindbrain and elicited by electric fields reached maximum amplitude within the DON and decreased in amplitude through the cerebellar crest.
(2) The anterior lateral line nerve (ALLN) in the chondrostean fishes (sturgeon and paddlefishes) consists of both fibers innervating ampullary electroreceptors and fibers innervating the mechanoreceptive neuromasts of the cephalic lateral line system.
(3) The Xiaonanhai Dam , to be constructed above the Three Gorges reservoir, will sever the last remaining migratory route that fish need in order to reproduce, including rare and endemic species such as the paddlefish (the biggest freshwater fish in the world) and the Dabry’s sturgeon, whose numbers have already been drastically reduced.
(4) Examples are presented concerning growth allometry in white rats, metabolic allometry in placental mammals, and size allometry in the Paddlefish, in the North American Marten and in the Painted Turtle.
(5) Bile salts of the sturgeons Acipenser guldenstaedti Brandt, Acipenser stellatus Pall and Huso huso L. and of the paddlefish Polyodon spathula Walbaum are shown to be closely similar, consisting mainly of taurocholate with minor amounts of tauroallocholate and the monosulphates of bile alcohols.
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.