(n.) One of the leaves of the corolla, or the colored leaves of a flower. See Corolla, and Illust. of Flower.
(n.) One of the expanded ambulacra which form a rosette on the black of certain Echini.
Example Sentences:
(1) Primin itself was obtained from Primula elatior and from the petals (corollas) of Primula obconica.
(2) Osmotic gradient across the membrane of nonsonicated liposomes and rose petal protoplasts are shown to induce swelling.
(3) The prosthesis is fixed by the interaction of magnetic pondermotive forces between two soft petals of a magnetoelastomer.
(4) In agamous-1, stamens to petals; in apetala2-1, sepals to leaves and petals to staminoid petals; in apetala3-1, petals to sepals and stamens to carpels; in pistillata-1, petals to sepals.
(5) They gradually displayed active membrane pseudopodia, thorn-like processes and petal-like ruffles after 2 h to 4 h of cultivation.
(6) The method was used to analyze the free amino acid pool in carnation petals.
(7) The highest glucosyltransferase activity was found in petals of opening flowers of young plants.
(8) When a variety of shotguns were tested, it was found that one weapon with a very short barrel and cylinder bore did not exhibit petal spread until a range of 30 cm was reached.
(9) Two petal mRNA classes were identified that are present at elevated levels relative to other organs.
(10) This study explores the extent of mild to significant malnutrition in the squatter settlement of Kampung Baiduri located adjacent to an industrial area in Petaling Jaya.
(11) 3R-[2-(14)C]Mevalonate was incorporated into geranyl and neryl beta-d-glucosides in petals of Rosa dilecta in up to 10.6% yield, and the terpenoid part was specifically and equivalently labelled in the moieties derived from isopentenyl pyrophosphate and 3,3-dimethylallyl pyrophosphate.
(12) In the case of the Kalanchoe rhythm, mainly the process of the petal opening is affected.
(13) In the electron microscope these complexes appear as a rosette of petals.
(14) Shotcup petal abrasions centered around a shotgun wound of entrance are generally thought to occur at a range of 30 to 90 cm.
(15) Yuri's gaze turns back to the sky, peppered now with dry fallen leaves (a premonition, perhaps, of the petals cast before the viceroy in A Passage to India).
(16) Each molecule appeared to be composed of two kinds of particles, with one larger central particle and smaller peripheral particles and had shapes resembling that of a flower with 8 or 10 "petals".
(17) But I hear it constantly from some of the precious petals, can I say, some of the precious petals in the science fraternity, and if you can’t guess, I won’t accept it.” Australia had a dedicated science portfolio in cabinet since the 1930s until Abbott’s decision to fold the role into Macfarlane’s purview.
(18) In the families of flowering plants in which these organs occur, they are patterned with the sepals in the outermost whorl or whorls of the flower, with the petals next closest to the center, the stamens even closer to the center, and the carpels central.
(19) The programmed senescence of carnation (Dianthus caryophyllus L.) petals requires active gene expression and is associated with the expression of several senescence-related mRNAs.
(20) In petunia, the gene Po regulates the expression of CHI in anthers: PoPo petunia lines contain CHI enzyme activity in petals and anthers, whereas popo lines contain the CHI enzyme only in petals but not in anthers.
Unguis
Definition:
(n.) The nail, claw, talon, or hoof of a finger, toe, or other appendage.
(n.) One of the terminal hooks on the foot of an insect.
(n.) The slender base of a petal in some flowers; a claw; called also ungula.
Example Sentences:
(1) Intracellular and extracellular electrodes were used to study spontaneous and impulse-linked release of transmitter at locust retractor unguis nerve-muscle synapses.2.
(2) Pterygium inversum unguis (PIU) is a digital anomaly characterized by adherence of the subungueal tissue to the ventral surface of the distal nail plates.
(3) These strongly suggest that the fibrous structure of organic matrix assists the orientation of apatite crystals in Lingula unguis shell.
(4) Sterigmatocystin production by A. unguis is reported for the first time.
(5) The amino acid sequence of the beta chain of hemerythrin from Lingula unguis was determined.
(6) An unusual case of pterygium unguis involving all the nails is reported and the possible causes of such onychopathy are briefly discussed.
(7) The retractor unguis motor neurons, synergistic to the depressors, are, like them, excited by ventral contact but, like the levator, are inhibited by afferents which can signal the end of the stance phase.
(8) However, while the glutamate uptake in the CI and SETi nerve endings of the slow 135cd is comparable to the high-affinity uptake of glutamate in the fast excitor tibiae (FETi) nerve endings of the fast retractor unguis muscle, a high-affinity uptake of glutamate was only demonstrated in the glia of both types of nerve endings.
(9) E. unguis converted ML-236B to ML-236A with a yield of over 90%.
(10) Three cases of dystrophia unguis mediana canaliformis are presented herein.
(11) Approximately 1,600 fungal strains were tested for ability to convert compactin (ML-236B) to ML-236A and Emericella unguis IFO 8087 was found to be the most active.
(12) During an 18-month period, four patients with scleroderma were found to have nail findings suggestive or pterygium inversum unguis, a recently described condition.
(13) It is possible that abnormalities of this structure may result in onycholysis, pachyonychia congenita, and pterygium inversum unguis.
(14) As a result, subungual clavi, unguis incarnatus, unguis convolutus, or laterally turning onychogryposis like a cork-screw develop.
(15) Lingula unguis shell yields a diffuse small angle X-ray scattering which is caused mainly by the scattering from particles of apatite.
(16) This made it possible to investigate three species of the Aspergillus nidulans group: A. nidulans, A. unguis, A. variecolor.
(17) However, interpretation of these amplitude distributions was complicated by the effect on the extracellular recordings of the complex structural organization of the retractor unguis nerve terminal with its spatially distinct transmitter release sites extending over distances of 15-30 mum.3.
(18) The brachiopoda, Lingula unguis, has a pair of anterior adductors located in the center of the shell.
(19) A 35-year-old man with long-standing lepromatous leprosy and history of recurrent, severe type 2 lepra reaction was found to have pterygium unguis and destruction of the fingernails.
(20) The toxins act as non-competitive inhibitors at quisqualate-type glutamatergic receptors on a metathoracic retractor unguis nerve-muscle preparation of Schistocerca gregaria.