排序方式： 共有12条查询结果，搜索用时 312 毫秒
1.
Mahmood Q Siddiqi MR Islam Eu Azim MR Zheng P Hayat Y 《Journal of Zhejiang University. Science. B》2005,6(10):991-998
Water hyacinth (Eichhornia crassipes (Mart.) Solms) is a prolific free floating aquatic macrohpyte found in tropical and subtropical parts of the earth. The effects
of pollutants from textile wastewater on the anatomy of the plant were studied. Water hyacinth exhibits hydrophytic adaptations
which include reduced epidermis cells lacking cuticle in most cases, presence of large air spaces (7∼50 μm), reduced vascular
tissue and absorbing structures. Textile waste significantly affected the size of root cells. The presence of raphide crystals
was noted in parenchyma cells of various organs in treated plants.
Project (No. 30070017) supported by the National Natural Science Foundation of China 相似文献
2.
Michael E. Lamb Irit Hershkowitz Kathleen J. Sternberg Barbara Boat Mark D. Everson 《Child abuse & neglect》1996,20(12):1251-1259
Verbal and nonverbal responses by alleged victims of child sexual abuse were coded for length, amount of information, and the manner in which they were elicited by the interviewer. In 16 of the interviews, anatomical dolls were employed for the purposes of demonstration, whereas they were not used in another eight cases matched with respect to other characteristics of the children and the alleged events. Children interviewed with dolls provided an equivalent number of details and spoke as many words in the substantive portion of the interview as did children interviewed without dolls, and interviewers in the two groups used similar probes to elicit information. However, the average responses by the children were significantly longer and more detailed when dolls were not used. Children gave longer and more detailed responses to open-ended invitations when dolls were not used. Caution is necessary when interpreting these findings. 相似文献
3.
The purpose of this investigation was to compare the amount and accuracy of details provided in the eyewitness accounts of preschool-aged children interviewed exclusively with a verbal interview against those interviewed with anatomically-neutral dolls in addition to a verbal interview. Forty-four children, aged 4 to 6 years, were paired up and assigned as participants or observers for an event they engaged in with a confederate. Children's memory was assessed afterwards by (a) The Step-Wise Interview (Yuille, Hunter, Joffe, & Zaparniuk, 1993); (b) the Step-Wise Interview and big dolls; or (c) The Step-Wise Interview and small, detailed dolls and props. Three leading questions were incorporated into the interviews. Results indicated no main effect of interview type on the overall amount or accuracy of the children's accounts. No main effects for interview type or participant versus observer condition were observed for the leading questions. Relative to 4-year-olds, 5-year-olds recalled a greater number of overall details and were more accurate in their accounts with both types of dolls. Females were more accurate than males in their accounts with the small detailed toys and props. Implications for the use of anatomically-neutral dolls in child sexual abuse investigations are discussed. 相似文献
4.
MAHMOOD Qaisar 郑平 SIDDIQI M. Rehan ISLAM Ejaz ul AZIM M. Rashid HAYAT Yousaf 《Journal of Zhejiang University. Science. B》2005,6(10)
Water hyacinth (Eichhornia crassipes (Mart.) Solms) is a prolific free floating aquatic macrohpyte found in tropical and subtropical parts of the earth. The effects of pollutants from textile wastewater on the anatomy of the plant were studied. Water hyacinth exhibits hydrophytic adaptations which include reduced epidermis cells lacking cuticle in most cases, presence of large air spaces (7～50 μm), reduced vascular tissue and absorbing structures. Textile waste significantly affected the size of root cells.The presence of raphide crystals was noted in parenchyma cells of various organs in treated plants. 相似文献
5.
Sue White Ph.D. Gerald A. Strom M.S.W. A.C.S.W. Gail Santilli M.S.S.A. A.C.S.W. Bruce M. Halpin Ph.D. 《Child abuse & neglect》1986,10(4):519-529
Two groups of children were interviewed with a structured format to elicit their responses to sexually anatomically correct dolls. Significant differences were found between the responses of children who had not been referred for suspected sexual abuse and those who had. Nonreferred children (n = 25) revealed very few behaviors indicative of abuse whereas referred children (n = 25) demonstrated significantly more sexually related behaviors when presented with the dolls. Of the age groups studied (2-6 years), 3 year olds were the most responsive to the dolls, while older children tended either to reveal their experiences or to become very nonresponsive. The authors argue for the use of structured interview techniques with use of the anatomical dolls and the collection of normative comparison data relative to the evaluation of suspected sexual abuse. 相似文献
6.
任尚福 《喀什师范学院学报》2010,31(3):52-55
通过对蒺藜科（Zygophyllaceae）三种旱生植物——蒺藜（Tribulus terrester L.）、喀什霸王（Sarcozygium kaschgaricum）、骆驼蓬（Peganumharmala L.）叶片的结构进行比较解剖学研究,观察和比较叶的外部形态、叶肉、叶脉等解剖结构,结果表明,它们都有共同的旱生结构,又有各自的旱生结构共同去适应干旱环境;种间的差异表现在叶肉中栅栏组织和海绵组织的厚度以及细胞的形态结构和排列;旱生叶片的结构向着栅栏组织发达,发展贮水组织以及叶片退化等方向发展.根据其解剖结构将三种旱生植物分为三种类型. 相似文献
7.
肩关节解剖生理弱点与运动损伤的预防干预 总被引：1，自引：0，他引：1
肩关节是人体最灵活的关节,它在保证其具最大灵活性的同时,在其稳定程度上受到了受一定的损失,从而在抵抗损伤的能力方面,显露出其存在的解剖生理弱点.对肩关节及其相关结构的准确了解,无论是对医疗监控、运动训练还是对损伤的防治均有极大益处. 相似文献
8.
采用组织化学定位、显微制片和定量分析方法,对牛膝(Achyranthes bidentata)营养器官解剖结构特点、三萜皂苷含量及三萜皂苷积累场所进行了研究。结果表明,牛膝的根和茎均属于异常结构,根中具有同心环状排列的三生维管束,三生维管束的轮数最多可达7~8环;茎中具有2个髓维管束;叶为异面叶,海绵组织中具有发达的通气组织。牛膝根、茎和叶中均积累三萜皂苷,含量依次为:叶>根>茎。根中以三生韧皮部为主要积累场所;叶内主要积累于栅栏组织细胞内。 相似文献
9.
Yolanda Salinas-Alvarez Alejandro Quiroga-Garza Javier Humberto Martinez-Garza Guillermo Jacobo-Baca Pablo Patricio Zarate-Garza Karla Valeria Rodríguez-Alanís Santos Guzman-Lopez Rodrigo Enrique Elizondo-Omaña 《Anatomical sciences education》2021,14(4):471-481
Anatomical sciences curricula have been under constant reform over the years, with many countries having to reduce course hours while trying to preserve laboratory time. In Mexico, schools have historically been autonomous and unregulated, and data regarding structure and methods are still lacking. A national survey was sent by the Mexican Society of Anatomy to 110 anatomical sciences educators. The questionnaire consisted of 50 items (open and multiple choice) for gross anatomy, microscopic anatomy, neuroanatomy, and embryology courses in medical schools across Mexico. A clinical approach was the most common course approach in all disciplines. Contact course hours and laboratory hours were higher in Mexican anatomy education compared to other countries, with the highest reported contact hours for embryology (133.4 ± 44.1) and histology (125 ± 33.2). There were similar contact hours to other countries for gross anatomy (228.5 ± 60.5). Neuroanatomy course hours (43.9 ± 13.1) were less than reported by the United States and similar to Saudi Arabia and higher than the United Kingdom. Dissection and microscopy with histological slides predominate as the most common laboratory activities. Traditional methods prevail in most of the courses in Mexico and only a few educators have implemented innovative and technological tools. Implementation of new methods, approaches, and curricular changes are needed to enhance anatomical sciences education in Mexico. 相似文献
10.
Catherine M. Hennessy Danielle F. Royer Amanda J. Meyer Claire F. Smith 《Anatomical sciences education》2020,13(4):527-539
Social Media has changed the way that individuals interact with each other - it has brought considerable benefits, yet also some challenges. Social media in anatomy has enabled anatomists all over the world to engage, interact and form new collaborations that otherwise would not have been possible. In a relatively small discipline where individuals may be working as the only anatomist in an institution, having such a virtual community can be important. Social media is also being used as a means for anatomists to communicate with the current generation of students as well as members of the public. Posting appropriate content is one of the challenges raised by social media use in anatomy. Human cadaveric material is frequently shared on social media and there is divided opinion among anatomists on whether or not such content is appropriate. This article explores the uses and challenges of social media use in the field of anatomy and outlines guidelines on how social media can be used by anatomists globally, while maintaining professional and ethical standards. Creating global guidelines has shown to be difficult due to the differences in international law for the use of human tissue and also the irregularities in acquiring informed consent for capturing and sharing cadaveric images. These nuances may explain why cadaveric images are frequently shared on social media. This article proposes that as standard practice, anatomists obtain informed consent from donors before sharing images of cadaveric material on social media and ensure posts include a statement stating the same. 相似文献