نتایج جستجو برای: vascular bundles

تعداد نتایج: 238005  

Journal: :Bioscientiae 2021

This study aims to determine the anatomical structure and histochemical test of terpenoid phenol compounds in two varieties green betel plants (Piper betle). Making leaves preparations using fresh method, testing with 5% copper acetate, ferric trichloride 10% some grains sodium carbonate. The observations leaf 1 2 have similarities consisting upper epidermis, hypodermis, palisade parenchyma, pa...

Journal: :Plant physiology 1985
H Tomura T Koshiba T Minamikawa

We studied the localization of alpha-amylase with indirect fluorescence microscopy in transversely sectioned cotyledons of Vigna mungo seedlings. Tissue sections were fixed in periodate-lysine-paraformaldehyde and treated with anti-alpha-amylase immunoglobulin G followed by fluorescein isothiocyanate labeled goat anti-rabbit immunoglobulin G. alpha-Amylase appeared in the cells farthest from va...

Journal: :Journal of nursing management 2013
Terry Eggenberger Heather Garrison Nancy Hilton Karen Giovengo

AIM This article describes the Clinical Nurse Leader role in implementing person-centred care bundles to improve patient outcomes through an innovative culture of caring. BACKGROUND Demonstrating the financial value of introducing the Clinical Nurse Leader role into an organisation is essential for sustainability. Previous authors have established the Clinical Nurse Leaders' influence on pati...

2002
DANIELA GUIMARÃES SIMÃO VERA LUCIA SCATENA

(Morphology and anatomy in Heliconia angusta Vell. and H. velloziana L. Emygd. (Zingiberales: Heliconiaceae) from the Atlantic forest of southeastern Brazil). Morphological and anatomical features of roots, stems, leaves, and scapes were studied in Heliconia angusta and H. velloziana from the Atlantic forest in the southeastern of Brazil. Morphologically H. angusta and H. velloziana show differ...

Journal: :Plant physiology 1978
W Heyser R F Evert E Fritz W Eschrich

Following exposure of portions of mature maize (Zea mays L.) leaf strips to (14)CO(2), xylem exudate from the leaf strips contained [(14)C]sucrose. Sucrose was the only sugar in the xylem exudate which was obtained from the cut surface of the leaf strips by reducing the external pressure. The sucrose found in the xylem exudate apparently was obtained from the free space of the vascular bundles,...

Journal: :Journal of Experimental Botany 2008
David S. Chatelet Thomas L. Rost Mark A. Matthews Kenneth A. Shackel

It has been hypothesized that the substantial reductions in xylemic water flow occurring at veraison are due to physical disruption (breaking) of the xylem as a result of renewed berry growth. In a companion paper, evidence was presented that the vast majority of xylem tracheary elements remained intact despite the growth of the berry, and it was proposed that existing tracheary elements stretc...

Journal: :Journal of anatomy 1986
M J Horacek A M Earle J P Gilmore

Twelve monkeys, Macaca fascicularis and Macaca mulatta, were investigated to study their renal microvasculature. After death, all monkeys were perfused with heparinised isotonic saline to flush their vascular systems. The kidneys were then perfused with silicone rubber and examined. The silicone rubber injections allowed description of afferent arterioles and several efferent vascular patterns ...

Lexical bundles are frequent word combinations that commonly appear in different registers. They have been the subject of much research in the area of corpus linguistics during the last decade. While most previous studies of bundles have mainly focused on variations in the use of these word combinations across different registers and a number of disciplines, not much research has been done to e...

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