(n.) Orig., a chicken; the young of a fowl; a young eaglet; a nestling; and hence, a feathered flying animal (see 2).
(n.) A warm-blooded, feathered vertebrate provided with wings. See Aves.
(n.) Specifically, among sportsmen, a game bird.
(n.) Fig.: A girl; a maiden.
(v. i.) To catch or shoot birds.
(v. i.) Hence: To seek for game or plunder; to thieve.
Example Sentences:
(1) The birds were maintained at a constant temperature in, dim green light.
(2) Unlike most birds of prey, which are territorial and fight each other over nesting and hunting grounds, the hen harrier nests close to other harriers.
(3) No vaccination reactions were noted, although most birds involved in the trials were carrying Mycoplasma spp.
(4) Precipitating antibodies were found in both lines; they first appeared 7 days after inoculation in P-line birds and 14 days after inoculation in N-line birds, but thereafter there was no difference between the two genetic lines.
(5) The results indicate that, regardless of the photoperiod, no clear functional relationship can be found between the avian pineal gland and thyroid function, although a transitory increase in T4 levels was seen in both pinealectomized and sham-operated birds shortly after the operations.
(6) Differences between parental and nonparental birds in VIP profiles were detected in the ventral portion of the infundibular region.
(7) The enterococcal population of the 'dosed' birds contained a greater proportion of Enterococcus faecium than did that of the control birds while the converse was true for Ent.
(8) Somewhat surprisingly then, in view of the mechanisms in mammals, birds do not seem to use this seasonal message in the photoperiodic control of reproduction.
(9) After 32 days of feeding, body weight, liver weight and egg production decreased in birds fed lead while kidney weights increased.
(10) Phyla as diverse as insects, birds, and mammals possess distinct HRAS and KRAS sequences, suggesting that these genes are essential to metazoa.
(11) Changes in brain size are compared with observations found in other domesticated birds.
(12) 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.
(13) We simply do whatever nature needs and will work with anyone that wants to help wildlife.” His views might come as a surprise to some of the RSPB’s 1.1 million members, who would have been persuaded by its original pledge “to discourage the wanton destruction of birds”; they would equally have been a surprise to the RSPB’s detractors in the shooting world.
(14) Water restriction of HYD birds for 5 days as adults stimulated tubule hypertrophy but not to the same extent as the chronic regimen and with no evidence for hyperplasia.
(15) Thus, the possibility exists that androgen secretion in some chelonian systems may exhibit a high degree of LH specificity like that of mammals and birds.
(16) 1 After the injection of labelled procaine and lidocaine in mice, the location and concentration of radioactivity was demonstrated by autoradiographical methods.2 An accumulation in some endocrine cells such as the pancreatic islets, the hypophysis, the adrenal medulla and certain cells of the thyroid (probably representing the calcitonin-producing parafollicular cells) was shown.3 After the injection of [(14)C]-procaine in chicks, an accumulation of radioactivity was observed in the ultimobranchial gland (which produces calcitonin in birds), but not in the thyroid.4 Radioactivity was also shown to be strongly concentrated in structures containing melanin, such as the pigment of the eye, skin and hair and in some organs involved in the metabolism and excretion of these drugs.
(17) Respiration frequency increased during exposure to 35 (four birds) and 40 degrees C (six birds) in the normally hydrated quail, while in the dehydrated quail, respiration frequency increased only in three birds during exposure to 35 degrees C, and four birds during exposure to 40 degrees C, the frequencies were lower during dehydration.
(18) A man in New Zealand suggested that they need to rid the country of cats to protect their native birds.
(19) Birds showed evidence of increased tolerance, with age, to phenylpropanolamine but not to monensin.
(20) Again, changes in birds fed CTN + OA for 7 days were similar but milder.
Trembler
Definition:
(n.) One who trembles.
Example Sentences:
(1) The Trembler mouse suffers from a dominantly inherited autosomal mutation affecting the Schwann cell activities, which results in an abnormal myelination of the peripheral nervous system.
(2) The trembler (Tr) mouse serves as a model for CMT1A because of phenotypic similarities and because the Tr locus maps to mouse chromosome 11 in a region of conserved synteny with human chromosome 17.
(3) Electron microscopy, including a quantitative analysis of myelination was performed on the nerves of Trembler mice from birth to senility and compared with the findings in control mice.
(4) In brain, levels of cholesterol, desmosterol and 7-dehydrodesmosterol are reduced in shiverer and quaking, but not in trembler 60-day-old dysmyelinating mutant mice.
(5) In the 2-d-old mice, Po is detected in essentially similar amounts in Trembler and normal PNS, whereas its level in adult mutant sciatic nerves is never greater than 20% of the control.
(6) The Trembler mouse is a neurological mutant showing dominant inheritance.
(7) Such inhibition, however, was not observed in the adult Trembler nerve (Brain Res.
(8) Trembler serum induces neuritic outgrowth characterized both by an increase in number of primary neurites emerging from the nerve cell body as well as by an increase in peripheral branching of neurites.
(9) Light and electron microscopic analyses of the cerebellar cortex were carried out in inbred trembler mutants of Barred Plymouth Rock (BPR), crossbred trembler (CBT) and crossbred normal (CBN) chickens 6 and 34 days after hatching.
(10) The deficiency of myelin in optic nerves was found to be (in decreasing severity): quaking greater immature greater trembler approximately normal adult; and in sciatic nerves: trembler greater immature greater quaking greater msd approximately normal adult.
(11) Is it still called a knee-trembler at that age or is it more of a kneecap-shatterer?
(12) The Q10 (27 degrees C-37 degrees C) was 1.5 and 1.6 for control and Trembler nerves respectively.
(13) Normal axons surrounded by Trembler Schwann cells are reduced in diameter, but resume their original diameter distal to the graft.
(14) In sciatic nerve, cholesterol is slightly reduced in shiverer, reduced 2-fold in quaking, and dramatically reduced in trembler (10-fold).
(15) No essential differences between the crossbred normal and the crossbred trembler chickens were observed.
(16) Axons in adult Trembler nerves were thinly myelinated and were surrounded by very few myelin lamellae which in turn were often uncompact circumferentially and longitudinally.
(17) Our study revealed few but consistent differences in the protein pattern synthesized by the Trembler Schwann cells.
(18) Both the refractory period of transmission and the relative refractory period were increased in Trembler mice when compared with controls.
(19) The quantitative accumulation of neutral lipids during the period of myelination in the peripheral nervous system was studied in normal and trembler mouse sciatic nerves, between the ages of 5 and 27 days.
(20) The amidification of sphingosine by acyl donors has been investigated in a microsomal fraction prepared from sciatic nerves of normal and Trembler mice.