نتایج جستجو برای: aerenchyma tissue

تعداد نتایج: 918591  

2017
TODD P. EGAN

Waterlogging and salinity are considered to be the two major factors affecting growth and plant distribution in salt marshes. But while the effects of salinity are well known, few studies have investigated the impact of the former on plant survival. The purpose of this laboratory experiment was to determine the effects of water level on growth and survival of the halophytes Salicornia europaea ...

2012
L. Meng P. G. M. Hess N. M. Mahowald J. B. Yavitt W. J. Riley Z. M. Subin D. M. Lawrence S. C. Swenson D. R. Fuka

Methane emissions from natural wetlands and rice paddies constitute a large proportion of atmospheric methane, but the magnitude and year-to-year variation of these methane sources are still unpredictable. Here we describe and evaluate the integration of a methane biogeochemical model (CLM4Me; Riley et al., 2011) into the Community Land Model 4.0 (CLM4CN) in order to better explain spatial and ...

2017

The growth characteristics of three Rumex species were determined under different solution oxygen concentrations in hydroculture. These species all occur in a river foreland ecosystem and they were found to differ in their flood tolerance. The flood-tolerant R. maritimus and R. crispus developed a large num ber of new, aerenchymatous roots within a short period under low solution oxygen concent...

Journal: :anatomical sciences journal 0
reza samanipour department of nuclear engineering, faculty of basic science and nuclear engineering, najafabad branch, islamic azad university, najafabad, iran.سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch) hossein salehi rozveh department of anatomical sciences, school of medicine, isfahan university of medical sciences, isfahan, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (isfahan university of medical sciences)

bone tissue engineering has been one of the most promising areas of research, providing a potential clinical application to cure bone defects. recently, various stem cells, including embryonic stem cells (escs), bone marrow-derived mesenchymal stem cells (bm-mscs), umbilical cord blood-derived mesenchymal stem cells (ucb-mscs), adipose tissue-derived stem cells (adscs), muscle-derived stem cell...

Journal: :journal of dental research, dental clinics, dental prospects 0
vahid esfahanian assistant professor shirin zahra farhad assistant professor mehrnaz sadighi

background and aims. furcally-involved teeth present unique challenges to the success of periodontal therapy and influence treatment outcomes. this study aimed to assess to compare use of adm and connective tissue membrane in class ii furcation defect regeneration. materials and methods. 10 patient with 2 bilaterally class ii furcation defects in first and/or second maxilla or man-dibular molar...

Journal: :acta medica iranica 0
khodamorad jamshidi department of orthopaedic surgery, tehran university of medical sciences, tehran, iran. iman qomashi department of orthopaedic surgery, tehran university of medical sciences, tehran, iran. mehdi ramezan shirazi department of orthopaedic surgery, tehran university of medical sciences, tehran, iran.

lipoma is the most common soft tissue tumor but the presence of osseous component within the tumor is quite rare. some studies show that less than 1% of lipomas were ossified. we describe the histological, radiological and diagnostic features of an ossified intramuscular lipoma. to the best of the authors' knowledge, a symptomatic ossified intramuscular lipoma without any cortical erosion and h...

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