(a.) Of or belonging to the summer; as, aestival diseases.
Example Sentences:
(1) Contrastingly, the hepatopancreas of aestivated snails when treated with ganglionic extracts of active snails showed increased specific activities of both enzymes.
(2) A wide size range of both species of snail were found to aestivate, but there was differential mortality of young B. rohlfsi soon after the lake re-filled, and the optimally surviving size group of B. globosus was 9 mm.
(3) Upon entering into aestivation, Protopterus aethiopicus develops a respiratory acidosis.
(4) On re-activation of some aestivating snails, betion of ATP and Mg2+ to the isolated gut contents or to extracts from washed gut walls led to the formation of higher-molecular-weight forms of the enzyme, beta-glucosidase A (mol.wt.
(5) Snails in the aestivated group were completely inactive for 8 weeks beginning at age 23 weeks.
(6) The cessation of water intake from the start of aestivation results in hemoconcentration and marked oliguria.
(7) This was not correlated to metabolic rate suggesting that glycolytic rate was reduced in this tissue in the early stages of aestivation, possibly due to a change in fuel use.
(8) The molluscicide would then be released at the unpredictable start of the next wet season and kill any snails which survive the drought by aestivation.
(9) Infective larvae aestivate in the faeces or in the soil of the lucerne pastures in the dry, hot summer months and migrate on to the herbage during the cool, wet autumn.
(10) X-ray microanalyses of ultrathin frozen sections from aestivating and non-aestivating snails have shown gradients of chloride and potassium ions in the apical microvillus region of the regulating mantle collar epithelium.
(11) A cocoon formed from a single cell layer of shed stratum corneum may reduce water loss from the skin of desert-dwelling frogs while these aestivate in soil-filled burrows.
(12) The possible roles of these ions, pH and substrate in the modulation of fructose diphosphatase and gluconeogenic activity in the lungfish are discussed in relation to aestivation and temperature adaptation.
(13) The activity levels of both enzymes decreased in aestivating snails.
(14) Aestivation patterns in Bulinus rohlfsi and B. globosus were studied by digging transects across the floor of their dried habitats and by monitoring changes in snail population structure during the period when the habitats were flooded.
(15) As aestivation continued, the number of breaths per tachypneic period increased gradually to reach a steady level at about the 3rd mo.
(16) The beginning of aestivation in B. rohlfsi did not correlate with any of the physical parameters measured, but it coincided with the dying off of a bloom of unicellular algae.
(17) The importance of stimuli other than desiccation in the aestivation process of bulinids is stressed.
(18) X-ray microanalysis of unfixed thin sections shows that there is a concentration gradient of ions within these cells in aestivating animals which is not present in stimulated snails.
(19) Bulinus rohlfsi, which inhabited a small man-made lake, was found to aestivate towards the bottom of its habitat, aestivation occurring during the last six weeks before the lake dried.
(20) A. nuchalis thus appears to be an opportunistic vernal breeder, limited only by the availability of resources, whereas A. caudicinctus, which apparently displays the greater reproductive effort of the two species, has a typical aestival pattern of breeding which is uniquely attuned to the enormous burst of productivity occurring in this arid region following the substantial and predictable summer cyclonic rains.
Vernal
Definition:
(a.) Of or pertaining to the spring; appearing in the spring; as, vernal bloom.
(a.) Fig.: Belonging to youth, the spring of life.
Example Sentences:
(1) In contrast, the activities were lower in the affected eyes of patients with herpetic keratitis and vernal conjunctivitis than in the fellow normal eyes.
(2) 55 of the 76 patients had corneal involvement in the form of vernal keratitis or vernal ulcer.
(3) Both patients with vernal conjunctivitis and control subjects reacted to histamine with a dose-dependent conjunctival redness 2 to 5 minutes after ocular challenge.
(4) In the present study, we have used this brush for conjunctival scraping in 18 patients with vernal and allergic conjunctivitis, and 10 patients serving as controls.
(5) They emphasize: 1. the special frequency with the young person (between 20 and 30 years for allergic conjunctivitis, generally before 7 years for vernal conjunctivitis); 2. the importance of atopic ground; 3. the weak incidence of business; 4. the difficulty of diagnosis, because the monosensibilisations are uncommon; 5. the favourable result of treatment.
(6) The authors determined tryptase levels in unstimulated tears collected from the following groups of patients: (1) normal control, (2) nonallergic ocular inflammation, (3) asymptomatic seasonal allergic conjunctivitis, (4) symptomatic seasonal allergic conjunctivitis, (5) vernal conjunctivitis, and (6) contact lens-associated giant papillary conjunctivitis.
(7) Topical cyclosporine may, therefore, be considered an effective substitute for corticosteroids, with an excellent anti-inflammatory activity in patients with both corticosteroid-dependent and corticosteroid-resistant vernal keratoconjunctivitis.
(8) Cromolyn sodium was found to be significantly more effective than placebo in treating the signs and symptoms of vernal keratoconjunctivitis (VKC).
(9) When topically applied to the eye before allergen exposure, ocular sodium cromoglycate prevents many of the signs and symptoms associated with type I allergic reactions (which includes hayfever, acute allergic and chronic allergic conjunctivitis, and vernal keratoconjunctivitis) and giant papillary conjunctivitis.
(10) This 9-year-old boy had a three-year history of vernal keratoconjunctivitis.
(11) It is also of proven efficacy in the treatment of allergic rhinitis, allergic conjunctivitis and vernal keratoconjunctivitis.
(12) Female Suffolk sheep were pinealectomized around the vernal equinox to eliminate the major environmental input to the reproductive system (photoperiod) and then either isolated from, or maintained with, pineal-intact gonad-intact sheep.
(13) Seven out of 14 acrophases of cyclic indices occurred just before autumnal equinox and three before vernal equinox.
(14) The IgG was significantly lower in patients with vernal catarrh.
(15) At higher latitudes, where changes in daylength are pronounced, a steep increase in human conceptions coincides with the vernal equinox.
(16) With less than a week to go until the Sun crosses northwards over the equator at the vernal equinox, it is showing real signs of rebirth in another respect.
(17) Limbal and palpebral vernal keratoconjunctivitis (VKC) are usually considered to be different expressions of the same disease.
(18) A case of limbal vernal keratoconjunctivitis associated with a hypertrophic mass lesion measuring 8 X 5 X 3 mm is reported.
(19) It is concluded that testosterone and prolactin are the most important hormones involved in the control of vernal premigratory fattening.
(20) Moreover, ICT results are influenced by conjunctival diseases: compared to age-matched controls, there were more abnormal cytologies among patients with trachomatous inflammation (p = 0.025), conjunctivitis (p = 0.024) or Limbal Vernal Keratoconjunctivitis (p = 0.015).