نتایج جستجو برای: cell ultrastructure
تعداد نتایج: 1690333 فیلتر نتایج به سال:
The aim of the study was to assess effects therapeutic ultrasound (US) on oxidative stress (OS)-induced changes in cultured human chondrocytes (HCH). For this, monolayer HCH were randomized three groups: a control group (CG), exposed OS (OS group), and US (US-OS group). exposure performed prior induction by hydrogen peroxide. Transmission electron microscopy (TEM) used ultrastructure. inflammat...
The composition, integrity, and architecture of the macromolecular matrix of cell walls, collectively referred to as cell wall ultrastructure, exhibits variation across species and organs and among cell types within organs. Indirect approaches have suggested that modifications to cell wall ultrastructure occur in response to abiotic stress; however, modifications have not been directly observed...
In this study, inhibition of Microcystis aeruginosa by antialgal alleochemical gramine, was studied by analyzing algal metabolic activity (represented by esterase and total dehydrogenase activities) and cell ultrastructure (showing morphological and ultrastructure alterations using transmission electron microscopy and DNA ladder analysis). After gramine exposure, esterase and total dehydrogenas...
Pimpinella anisum L. belongs to Apiaceae family. The samples of vegetative and reproductive organs at different stages of development were gathered and investigated by cell-histology methods. The investigation of the anatomical structure of vegetative organs showed that the secretory ducts are arranged between the parenchymal tissues of the leaf. Section of flower buds revealed that anthers had...
Purpose: The seminal vesicles are androgen dependent exocrine glands producing protein-rich secretion. The retinoic acid has been implicated as a signaling molecule for the seminal vesicle development. In the present study, the effect of retinoic acid on seminal vesicle epithelial cell of neonatal mouse was investigated. Materials and Methods: Newborn male N-MRI mice were injected intraperiton...
Abstract In this work, the responses of Arabidopsis thaliana (L.) Heynh to trans -aconitic acid (TAA) were investigated. A. was grown in presence TAA a concentration range 400–1200 µM for 7 or 15 days. Changes morphoanatomy, cellular ultrastructure, and micromorphology roots evaluated by light transmission electron (TEM) microscopy. At concentrations below 1000 µM, reduced length primary roots,...
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