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Introduction: Investigations has showed that prenatal exposure to Morphine causes drug dependency and behavioral complications in new born rats. In this study effect of prenatal Morphine on the development of basal ganglia in rat embryos is investigated. Materials and Methods: In this experimental study 36 female rats with body weight between 250-300 grams were selected. After crossing with male rats they were divided into six groups of 12days control-Morphine, 14days control-Morphine and 17days control-Morphine groups. Morphine groups received 0.01mg/ml Morphine through their drinking water until the 12, 14 and 17th day of pregnancy (20ml each rat). Then rats were anesthetized and embryos were taken out and fixed. Their body weight and crown-rump length were measured. Then 5 micrometers sections were provided and stained using H & E method which were then evaluated using mutic program. Results: Body weight and length of embryos were reduced significantly in the 12&14th day of Morphine group rats in compare to their controls. The significant reduction of Basal Ganglia thickness was also found in all Morphine groups compared to their controls. Conclusion: Results showed that prenatal Morphine exposure may cause impairment in change development of Basal Ganglia.

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Abstract Background: Vitamin A is an important messager molecule for differentiation setting, cells proliferation and morphogenesis. In this research, an effect of vitamin A on limb bud development of Balb/C mouse was determined. Materials and Methods: In this experimental study, 10 female pregnant mice were divided to control and experimental groups. Control mice were maintained in natural situation and experimental mice were received vitamin A 15000IU/kg intraperitoneal injection at gestational day 10.5. Control and experimental mice were dissected in day 15.5 of gestation and after a morphology study their embryos were prepared for histological studies with microscope and were stained by Hematoxylin & Eosin method. Results: Comparison of crown- rump length, fore limb width, length of zone 1 (finger and palm) and zone 2 (wrist) of fore limb and total length of hind limb in experimental embryos with control group didn’t have significant difference in means. But, mean of embryos weights and length of total fore limb and length zone 3 (arm and forearm) of experimental embryos fore limb were more then control (p<0.001). Also, in comparison mean of hind limb width of experimental to contol embryos, increase was observed (p<0.006). But number and size of chondrocyte in 4 zones of fore and hind limb in experimental group didn’t have significant difference to control group (p>0.05). Conclusion: Concentration of 15000IU/kg vitamin A has progressive effects on the fetuses’ weight and fore limb bud development of Balb/C mouse.

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Background: Noticing the daily advancement of the role of electromagnetic field generators in human life, examination of the biologic impacts of these waves has come to be extensively appreciated by researchers. During pregnancy, vitamin A is extremely essential for the development of fetus and its lack, insufficiency or excess can result in embryonic malformations. This study investigated the synergetic effects of vitamin A and extremely low frequency electromagnetic fields on the development of embryo skin in Balb/C mice. Materials and Methods: This study was experimental in nature. Eighteen pregnant mice were divided into control, sham-exposed and experimental groups. The mice in the experimental group were given an intra-peritoneal injection of 15000 IU/kg vitamin A on the 10.5th day of gestation and were, then, exposed to a 50Hz electromagnetic field 4 hours a day from 10 through 12th day of gestation. The animals were dissected and investigated morphologically and histologically on 17.5th day of gestation. Results: The results showed an increase in the mean weight of fetuses in the experimental group in comparison to the sham- exposed group (p<0.05). Also, Crown-Rump of fetuses in the experimental group increased in comparison to those in the sham- exposed group (p<0.001). Epidermis thickness increased significantly in experimental group in comparison to sham- exposed (p<0.05), while the average number of basal, spinous cells and hair follicles decreased significantly in the experimental group compared to the sham- exposed (p<0.001). Conclusion: The findings indicate that vitamin A usage and synergetic exposure to low frequency electromagnetic fields (50Hz) profoundly affect the development and growth of skin epidermis in the fetus of Balb/C mouse.

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Background:Today, in spite of quick and amazing human advancements in prevention treatment, and control of diseases and their positive effects on the community, lack of reliance on the instructions of prophets on spirituality and ethics of human relationships has led to health, social, ethical, and environmental crises that have resulted in spread of emerging diseases such as AIDS. Therefore, the way out of this crisis is the return to the instructions of prophets and religions, especially Islam. This article explains the role of Islam instructions in achieving millennium development goals in the fight against malaria and AIDS. Materials and Methods: In this review article, through access to reliable sources in the form of a descriptive article, practical strategies of Islam for achieving millennium development goals for fighting diseases, AIDS, and malaria are investigated. In so doing, by applying appropriate keywords to electronic and manual search in reliable Islamic and medical resources, data were collected and the central research question was addressed. Results: Based on the results of the reviewed studies, instructions and ideas of Islam on reconstructing the environment, preservation of natural resources, observing personal health, priority of health to treatment, abstinence from risky sexual behaviors, and so forth have practical implications for malaria and AIDS control and prevention so that if there had been commitment to Islam, AIDS as an emerging disease might never have developed. Conclusion: Noticing the availability of resources and instructions in Islam on health and medicine for prevention and fight against diseases, such ideas can be utilized for preventing the emergence and development of other new diseases. Hence, Islamic instructions can be presented to the world as practical strategies for achieving millennium development goals.

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Background: In recent decades, with the increasing use of devices generating electromagnetic fields in modern industrial societies, the study of biological effect of these waves on the many organisms development has been considered by government and scientific organizations all over the world. Many people in all hours of their life are exposed to boarding electromagnetic fields of devices in their life and work places, with different intensities and frequencies. This presence of a significant relationship between the increase of some diseases and genetic aberrations and electromagnetic fields is one of the most important issues for researchers that has created many concerns regarding the adverse effects of electromagnetic fields. The findings of some studies indicate that this field does not have enough energy to damage biological molecules, while other researchers believe that electromagnetic fields by affecting cellular stress response and other protective mechanisms cause genetic cell damage. Some studies express that the electromagnetic field are safe alone, but they enhance the genotoxic function of physical and chemical environmental pollutants.

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Background: Male fertility depends on the proper function of a complex system of organs which plays an important role in spermatogenesis. In this study the effects of sulpiride-administration were assessed by means of sperm parameters and in vitro fertilization potential.

Materials and Methods: In this experimental study thirty adult male mice were divided into 3 groups as test, control-sham and control. The test group were injected with 40 mg/kg sulpiride solution daily for 45 days IP. Sham mice were injected by solvent only. After 45 days, all mice were dispatched by cervical dislocation consequence of unconsciousness. Cauda epididymis were used to collect sperm cells and assess their motility, viability and DNA integrity. The rate of in vitro fertilization and embryonic development were also examined.

Results: In comparison with sham and control groups, sperm motility and viability rate showed a significant reduction in the sulpiride-administered animals. Rate of DNA damage increased which gives rise to a remarkable reduction of fertilization rate, zygote division, blastocysts number, and significant increase of arrested embryos in sulpiride treated mice (p<0.05).

Conclusion: Data suggest that following sulpiride-induced hyperprolactinemia, induction of spermatogenesis dysfunction, causes low sperm quality that accompanies a significant lower fertility potential and embryonic development in comparison with the sham and control groups.

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Abstract

Background: Internal marketing is one of the applied instruments for managers to plan human force. This study aimed to investigate the effect of internal marketing on organizational commitment in a remedial center.

Materials and Methods: This study has an applied purpose and its nature is causal-survey. Statistical population consisted of 450 working employees in Ghods hospital in Arak city. Out of these, 207 samples were selected by available random cluster sampling. Data were gathered by standard questionnaires and the reliability of them validated by Cronbach’s alpha coefficient. Data analysis was performed by linear regression by using SPSS 19 software.

Results: The findings of this study showed that internal marketing had an effect on organizational commitment and the value of it was 0.2. Also, reward affected on organizational commitment which was equal to 0.13. The effect of communication on organizational commitment was positive and the value of it was 0.16. Development had an effect on organizational commitment which was equal to 0.16. In addition, safe workplace had an effect on organizational commitment and the value of it was 0.12. Also, the effect of job recruitment and appointment was positive which was equal to 0.11.

Conclusion: According to the results, it is essential to pay attention to necessary requirements and conditions for providing an appropriate bed to expand internal marketing and employees’ participation to develop organizational commitment.

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Background and Aim: Acquisition skill in sentence producing is one of the criteria for speech development. By developing and increasing the age, we are witnessing the emergence of compound sentences in speech. Clinical treatments for language disorders in Iran are mostly based on the experiences of Speech Language Therapists or in accordance with English language norms. We need to examine how the length of utterance and compound sentences develop in Persian. The study aimed to report the development of compound sentences and Mean Length of Utterance (MLU) for a Persian-speaking child from 15 to 34 months.
Methods & Materials: In this longitudinal case report, based on Developmental-Descriptive model, MLU and emergence of simple compound sentences of a Persian speaking girl sampled and described from 15 to 34 months by daily scripting. R software version 4.0.2 was used for data analysis. Correlation of age with linguistic variables through Pearson correlation coefficient was evaluated. 
Ethical Considerations: In this paper, the principles of publication ethics were considered.
Results: At the age of 21 months and 13 days, the child uttered her first simple two-word sentence, and at the age of 26 months and 29 days, she used a four-word compound sentence. With the emergence of compound sentences, the increase in the MLU has gained considerable speed. In a few days, we see the addition of a unit to the length of the sentence (word). There was a significant relationship between the MLU and age (r=‌0.925, P=‌0.001), Mean length of sentence and number of words in Persian speaking child (r‌=‌0.910, P=‌0.002) and total number of words and age (r‌=‌0.928, P<0.001). 
Conclusion: Although several longitudinal studies have been conducted on the development of MLU and number of words in other languages, similar studies are rare in Persian. It is important to conduct studies of this type in order to make cross-linguistic comparisons and to study the linguistic universality and language specificity. By increasing age, we see an increase in the number of words in a child's vocabulary, the emergence of compound sentences, and an increase MLU. At 27 to 28 months, there is a dramatic change in the development expressive language as the compound sentences appear. It seems that emergence of compound sentences in the language output, also plays a significant role in increasing the MLU and can be considered in clinical language assessments.

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Background and Aim: Evaluating variability can help to investigate the process underlying motor coordination problems. The current study aimed to measure motor coordination and its variability in children with Developmental Coordination Disorder (DCD). Moreover, the symmetry of motor coordination variability in these children and the relation between motor skills and variability were explored.
Materials and Methods: After evaluating motor skills in children, aged 7-10 years using Movement Assessment Battery for Children-2 (MABC-2), 15 children with DCD and 20 non-DCD children performed a bilateral coordination task. Using motion capture system, motor coordination and variability were recorded and calculated by computing continuous relative phase and its standard deviation, respectively.
Ethical Considerations: The study with an ethical code of IR.UT.SPORT.REC.1396030 was approved by Ethics Committee of Faculty of Physical Education and Sport Sciences of University of Tehran.
Findings: Children with DCD showed significantly higher variability, while there was no significant difference between the groups in performing the coordination task. Moreover, the variability of motor coordination was found asymmetrical in children with DCD. Finally, more variability was shown to be accompanied with lower score in motor skills of the participants.
Conclusion: The current study shows the necessity of employing assessments related to underlying process of movement coordination such as variability, which can help to provide more comprehensive understanding of motor patterns of children with DCD and the strategies that they adopt to execute and produce movement.
 

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