نتایج جستجو برای: vascular bundles

تعداد نتایج: 238005  

Mahbube Keihaniyan Marzieh Rafiee,

  This paper investigates the use of ‘lexical bundles’ in two broad corpora of journalistic writing. The aim of this study is to compare the use of lexical bundles in the two domains, one consisted of newspaper articles written in English and published in England and the other one comprised of newspaper articles written in Persian from Iranian publications. For this purpose, the frequency...

Journal: :Annals of botany 2002
Martin Skipper

In Arabidopsis thaliana expression of the B-class MADS-box genes APETALA3 (AP3) and PISTILLATA (PI) is confined to petals and stamens but in other plant species these genes are also transcribed in non-flower tissues; in Solanum tuberosum they are transcribed specifically in vascular bundles leading to petals and stamens. Transcription analysis of B-class genes in Eranthis hyemalis using reverse...

Journal: :Plant physiology 2004
Kaisa M Nieminen Leila Kauppinen Ykä Helariutta

Wood, or secondary xylem, is a water-conductive and supportive vascular tissue highly characteristic of trees. In addition to parenchymatous cells adapted for storage and transport functions, wood is mainly composed of various vertically elongated cell types. These are classified either as tracheary elements or fibers, both of which are characterized with extensive secondary cell wall thickenin...

2004
Kaisa M. Nieminen Leila Kauppinen

Wood, or secondary xylem, is a water-conductive and supportive vascular tissue highly characteristic of trees. In addition to parenchymatous cells adapted for storage and transport functions, wood is mainly composed of various vertically elongated cell types. These are classified either as tracheary elements or fibers, both of which are characterized with extensive secondary cell wall thickenin...

Journal: :American journal of physiology. Renal physiology 2015
Guojun Wei Seymour Rosen William H Dantzler Thomas L Pannabecker

The architecture of the inner stripe of the outer medulla of the human kidney has long been known to exhibit distinctive configurations; however, inner medullary architecture remains poorly defined. Using immunohistochemistry with segment-specific antibodies for membrane fluid and solute transporters and other proteins, we identified a number of distinctive functional features of human inner me...

Journal: :Plant physiology 2012
Naoki Yamaji Yukako Chiba Namiki Mitani-Ueno Jian Feng Ma

Silicon (Si) is a beneficial element for plant growth. In barley (Hordeum vulgare), Si uptake by the roots is mainly mediated by a Si channel, Low Silicon1 (HvLsi1), and an efflux transporter, HvLsi2. However, transporters involved in the distribution of Si in the shoots have not been identified. Here, we report the functional characterization of a homolog of HvLsi1, HvLsi6. HvLsi6 showed perme...

2010

Introduction: A previous study attempted to prefabricate a vascularized allograft bone in a recipient rat. In this model, the saphenous vascular bundles of recipient rats were transected and implanted into the transplanted donor bones. Although blood circulation had been established in the transplanted vascularized bones and bleeding from the bones was observed at the time of bone collection, o...

2013
Xue-Min Guo Xiao Xiao Gui-Xi Wang Rong-Fu Gao

Kiwi fruit is of great agricultural, botanical, and economic interest. The flower of kiwi fruit has axile placentation, which is typical for Actinidiaceae. Axile placentation is thought derived through fusion of conduplicate carpels with marginal placentation according to the traditional doctrine. Recent progress in angiosperm systematics has refuted this traditional doctrine and placed ANITA c...

Lexical bundles are known as important elements of coherent discourse that have been the subject of much research. While the previous research has been mainly concerned with exploring variations in the use of these word sequences across different registers and disciplines, very few studies have addressed the use of some particular groups of lexical bundles within some types of academic writing....

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