(n.) The organ formed by the combination or union into one body of stem and leaf, and often bearing the fructification; as, the frond of a fern or of a lichen or seaweed; also, the peculiar leaf of a palm tree.
Example Sentences:
(1) Ependymal cells developed luminal fronds that projected into the ventricle and the subpial glia displayed a very subtle gliosis in the form of thin multi-laminated processes.
(2) BPV-4 DNA was present in the residual papillomatous fronds of the renal cancer, but was absent from the carcinoma proper and for the splenic metastasis.
(3) Having reviewed 47 cases of vascular malformations of the stomach and duodenum, we propose an endoscopic classification for these lesions: Pattern I (flat or slightly protruded, bright red lesions with frond-like margin) is the most usual form of presentation.
(4) Carbon dioxide laser photocautery was used successfully intraocularly in human patients to seal fibrovascular fronds and retinal tears at the time of vitrectomy.
(5) "Fronds," characterized by contrast within the interstices of the lesion, were seen in three malignant lesions.
(6) Posterior or to this frond of neovascularization, intertwining intraretinal telangiectasia was observed.
(7) At its margin abutting the central fibrous body the atrioventricular (A-V) node exhibited numerous fronds and outcroppings, some forming loop connections from one part of A-V node to another.
(8) The stems of corn, millet, sugar cane and the banana leaf frond excite some clinical and pathological effects in the rabbit's eye when implanted either into the anterior chamber (AC) or subconjunctivally.
(9) Substance P was most abundant in the subintimal portion of the membrane, with occasional filaments coursing via synovial fronds to the intimal portion.
(10) Palm tree climbers use jigs which are woven from palm fronds.
(11) Management depends on a high degree of suspicion, and a sonogram is useful to visualize the papillary fronds in the cysts.
(12) Photograph: Phil Gates I turned over a frond and saw the long, slit-like rows of spores, then searched under a rocky overhang for signs of germination.
(13) There is then no further increase in frond number for 3 to 4 weeks, although DNA, RNA and protein synthesis continue at decreased rates and starch accumulates in the plants.
(14) Bacteria-free cultures of Spirodela oligorrhiza continue to increase in frond number for 2 to 3 days after transfer to darkness.
(15) Four argon laser techniques have been evaluated in the eradication of diabetic disk neovascularization: focal (nonfeeder) photocoagulation, feeder-frond photocoagulation alone, panretinal photocoagulation alone, and feeder-frond treatment combined with panretinal photocoagulation.
(16) During the day, under leafy huts, women learned to weave pandanus fronds and men crafted didgeridoos.
(17) A fluorescein-angiography displayed six years after the trauma a large neovascular frond and intraretinal neovascular network.
(18) However, only five of these were easily detectable in steady-state mRNA isolated from roots of the same plants, and the relative expression of each gene varied between the roots and the fronds.
(19) Amongst the other 10 women there were intratubal adhesions (n = 2), fronds attached to mucosal folds (n = 4), irregular blood vessels in mucosal folds (n = 2), unusual mucosal folds (n = 3) and black 'spots' within mucosal folds (n = 3).
(20) Thrombosis was associated with a delay in the growth and maturation of NV fronds, which resumed after reperfusion.
Leaf
Definition:
(n.) A colored, usually green, expansion growing from the side of a stem or rootstock, in which the sap for the use of the plant is elaborated under the influence of light; one of the parts of a plant which collectively constitute its foliage.
(n.) A special organ of vegetation in the form of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril.
(n.) Something which is like a leaf in being wide and thin and having a flat surface, or in being attached to a larger body by one edge or end; as : (a) A part of a book or folded sheet containing two pages upon its opposite sides. (b) A side, division, or part, that slides or is hinged, as of window shutters, folding doors, etc. (c) The movable side of a table. (d) A very thin plate; as, gold leaf. (e) A portion of fat lying in a separate fold or layer. (f) One of the teeth of a pinion, especially when small.
(v. i.) To shoot out leaves; to produce leaves; to leave; as, the trees leaf in May.
Example Sentences:
(1) The dumplings could also be served pan-fried in browned butter and tossed with a bitter leaf salad and fresh sheep's cheese for a lighter, but equally delicious option.
(2) Subsequently the plant protein was partially purified from leaf extract.
(3) In autumn, leaf-heaps composted themselves on sunken patios, and were shovelled up by irritated owners of basement flats.
(4) Isolated nuclei from green leaf tissue of tomato plants infected with potato spindle tuber viroid (PSTVd) were bound to microscope slides, fixed with formaldehyde and hybridized with biotinylated transcripts of cloned PSTVd cDNA.
(5) The nuclear membrane was highly deformed with a leaf-like profile in cross-section, possibly due to an interaction with the rod-like, condensed chromosomes.
(6) The mass of glycolic acid recovered from sunflower leaf tissue was proportional to the amount of tissue extracted.
(7) cDNA clones of potato virus X (PVXcp strain), potato virus Y (PVYo strain), potato leaf roll virus (PLRV) and potato spindle tuber viroid (PSTV) were used separately or combined for the detection of the corresponding RNAs in extracts of infected plants.
(8) Positive cDNA clones isolated from both a pea leaf and embryo lambda gt11 expression library using an antibody raised against the purified lipoamide dehydrogenase proved to be the product of a single gene.
(9) Betel leaf extract at the dose levels used in the present study did not affect the body weight gain among rats.
(10) Poison oak, ivy, and sumac dermatitis is a T-cell-mediated reaction against urushiol, the oil found in the leaf of the plants.
(11) Leaf TBC was usually third while fiber had the least TBC.
(12) Using this estimate, the pure Photosystem I emission spectrum was subtracted from the measured emission spectrum of a flashed leaf to give an emission spectrum representative of pure Photosystem II fluorescence at -196 degrees C. Emission spectra were also measured on flashed leaves which had been illuminated for several hours in continuous light.
(13) The effect of 50% methanolic extract (U-ext) from Bearberry leaf on immuno-inflammation was studied by contact dermatitis caused by picryl chloride (PC-CD) in mice.
(14) Several antisera from rabbits immunized with tobacco smoke components reacted by immunoprecipitation with tobacco smoke or leaf antigens.
(15) DNP treatment reduced ion absorption by leaf tissue.
(16) Instead, cell divisions are gradually restricted to the base of the leaf with localized sites of increased division at the preligule region.
(17) In the leaf-nosed bat, Macrotus californicus, a 4.5-month period of delayed early embryogenesis (October-March) precedes a 3.5-month period of normal embryogenesis (March-June).
(18) Plastic responses in leaf form resulting from ontogenetic or external influences are initiated very early in primordial development and are brought about by effects on the rate and direction of cell division and expansion in different regions of the primordium.
(19) Northern blot analysis of infected leaf tissue extracts revealed the presence of an oligomeric series of plus RNAs (of monomer size and greater) but minus RNAs were present only as high molecular weight species of heterogeneous size.
(20) And, hey, until Friday morning, most surveillance reform advocates were worried about the Senate ramming through the currently neutered version of the USA Freedom Act as its fig leaf of reform, before going back to business as usual and proposing bills that will give the NSA more power – not less.