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A Quantitative Assessment of the Morphological Characteristics of BeWo Cells as an in vitro Model of Human Trophoblast Cells International Journal of Morphology
Abaidoo,C.S; Warren,M. A; Andrews,P. W; Boateng,K. A.
In order to study the detailed morphology of trophoblast cells during human implantation, BeWo cells were cultured as spheroids in suspension culture. These cultures were then processed for light and electron microscopical examination. The present study showed that the BeWo spheroids consist of two cell types which are cytotrophoblast-like and syncytiotrophoblast-like. The cells with larger nuclear diameter made up only about 1% of the cell population and appear to be those of syncytiotrophoblast. Therefore the predominant cell type of the BeWo spheroids appeared to be relatively undifferentiated and cytotrophoblast-like. About 10% of the BeWo cells in the present study were mitotic, indicating a highly proliferative population. Total cell number increased...
Tipo: Journal article Palavras-chave: BeWo; Trophoblast; Morphometry; Spheroids.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000400011
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A Radiological Investigation on the Hand Development in Human Fetuses Throughout the Fetal Period and an Evaluation Performed in Terms of its Clinical Importance Hand Development International Journal of Morphology
Raziye,Desdicioglu; Ceren,Uguz; Kadir,Desdicioglu; Osman,Sulak; Mehmed Ali,Malas.
It was aimed in this study that the morphometric development of the hand in human fetuses throughout the fetal period be radiologically investigated and the clinical importance of this period be evaluated. A total of 50 fetuses with no external pathology or anomaly, and the ages of which varied between 20-40 gestational weeks were incorporated into the study. The fetuses were separated into groups according to gestational weeks, trimesters and months. After the general external measurements of the fetuses were performed, mammography and hand radiographies of the fetuses were shot in the way that their hands would be in a pronational position. Afterwards, the morphometric measurements of the hands were performed with the help of a digital caliper through...
Tipo: Journal article Palavras-chave: Fetus; Hand; Fetal development; Morphometry; Radiology.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000400057
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A Rare Case of Unilateral Third Head of Sternocleidomastoid Muscle International Journal of Morphology
Cherian,Saju Binu; Nayak,Satheesha.
A rare case of unilateral third head of sternocleidomastoid muscle was noted during routine dissections for undergraduate medical students. The additional third head originated from the middle third of the clavicle and joined the normal two heads (sternal and clavicular) of the muscle in the middle of the neck. The insertion and nerve supply of the muscle was normal. This case may be important for head and neck surgeons and for plastic surgeons doing muscle graft surgeries.
Tipo: Journal article Palavras-chave: Sternocleidomastoid muscle; Anatomical variation; Neck muscle.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000100017
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A Rare Lymphatico-Venous Communication Associated with Duplication of Thoracic Duct International Journal of Morphology
Anu,Vinod Ranade; Rajalakshmi,Rai; Latha,Venkatraya Prabhu; Mangala,Kumaran.
An unusual presentation of the duplication of thoracic duct with a rare lymphatico- venous communication was found during the routine dissection for undergraduate students. The thoracic duct duplicated at the level of T12 vertebra. Normally thoracic duct opens into the junction of left internal jugular vein and subclavian vein. On the right side of the neck, the right lymphatic duct conveys the lymph from the head and neck, the upper extremity and the right side of the thorax to the right innominate vein. Here, the duplicated thoracic duct on the left side opened directly into the inferior vena cava. The above case is discussed with regard to its development, incidence, and clinical significance
Tipo: Journal article Palavras-chave: Thoracic duct; Inferior vena cava; Lymphatico-venous communications; Cisterna chyli; Lymphatic duct.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000300005
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A Rare Pattern of Brachial Artery Variation: Case Report International Journal of Morphology
Jacomo,A. L; Martinez,C. A. R; Saleh,S. O; Andrade,M; Akamatsu,F. E..
Unlike the venous system, variations in arterial anatomy are less frequent and most of them affect visceral arteries. In limbs, variations of the brachial artery are the most reported and at least six different patterns have been described so far. The commonest is the superficial brachial artery which lies superficially to the median nerve. Much less prevalent are the high origin of the radial artery (brachioradial artery) or the existence of a doubled brachial artery (accessory brachial artery). We present a previously undescribed pattern of brachial artery variation. During dissection of the right upper limb of a 60 year-old male embalmed cadaver, we found the bifurcation of the brachial artery in the proximal portion of the middle third of the arm. Its...
Tipo: Journal article Palavras-chave: Artery; Brachial; Variation; Anatomy.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000200027
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A Rare Termination of Left Common Facial Vein into Left Subclavian Vein: A Case Report International Journal of Morphology
Prakash,Babu B; Bhagath,Kumar Potu.
During routine dissection of head and neck, an unusual drainage in pattern of the veins on the left side of the face was observed in an adult male cadaver. In the present case, he superficial temporal vein united with maxillary vein to form retromandibular vein within the substance of the left parotid gland. The anterior division of retromandibular vein joined with facial vein to form common facial vein that drained into left subclavian vein directly. Knowledge of such variations is important for surgeons performing head and neck surgeries. Facial veins are often grafted into carotid endarterectomy
Tipo: Journal article Palavras-chave: Facial vein; Retromandibular vein; Anatomical Variation; Carotid endarterectomy.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000300013
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A Rare Variation of the Retro-Aortic Left Renal Vein with Anastomotic Afluent from Inferior Mesenteric Vein International Journal of Morphology
Andrade,F. M.; Rocha,R. P.; Pereira,H. M.; Fernandes,R. M. P.; Babinski,M. A..
We report an uncommon anatomical variations of the left renal vein was found on dissected specimen in an elderly male cadaver: a retroaortic left renal vein. No other vascular anomalies were noted in this specimen. The anomaly result may be related to a particular pattern of left inferior vena cava. The abnormality have to be known for it may be undetected or be misleading in imaging. This anatomical curiosity should be kept in mind by clinicians and academics that may manipulate this anatomical area
Tipo: Journal article Palavras-chave: Anatomy; Anomalies; Kidney; Retroaortic renal vein.
Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022005000100001
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A Rare Variation of the Testicular Blood Supply by the Deferential Artery International Journal of Morphology
Zheng,Yong; Yuan,Qianqian; He,Xin; Lei,Yueshan.
Any compression of testicular arteries may lead to loss of spermatogenesis and gonadal hormone production, existence of the variational arteries is accountable in cases of vasoligation, orchidopexy and other surgical approach on them. Anomalies of the testicular blood arteries were observed during dissection of the pelvic cavity in a 68-year-old male cadaver. This report describes a very rare case of lack of testicular arteries. For the blood supply to the testis, thick deferential arteries form some vascular winding and loops and course accompanied by deferent duct to the testis. This case report would serve as ray of light for knowledge of the possible variations of the testicular arteries during surgical procedures.
Tipo: Journal article Palavras-chave: Deferential artery; Variation; Umbilical artery.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300022
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A Research of Peripheral Blood Cells Annually in Bufo Bufo gargarizans International Journal of Morphology
Liu,Chongbin; Xia,Chengqiang; Xie,Zhaohui; Jiao,Yang; She,Qiusheng.
The present paper deals with a histological study of the blood cells of Bufo Bufo gargarizans in different months: January, March, May, July and October. The methods used are by routine blood smear in Wright stain and observation in vivo. We found that in smears and in vivo two main types of cells of the red cells: mitotic as well as amitotic. While amitotic occurs all the year round, particularly in July, mitosis so far had been seen only in July. It is also found that there are plenty of neutrophils in the blood cells of Bufo Bufo gargarizans, furthermore, the nuclei of these cells are polymorphic, especially in January and March. Meanwhile, the concentration of red cells was lowest in May and highest in January; The concentration of white blood cells...
Tipo: Journal article Palavras-chave: Bufo Bufo gargarizans; Blood cells; Annual changes.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000400022
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A Review on the Celiac Trunk Compression Syndrome: Some Anatomic Clinical-Surgical Aspects International Journal of Morphology
Petrella,Selma; Prates,José Carlos.
The objective of this study was to review some celiac trunk compression syndrome aspects such as: symptom-posture relationship; absence of symptoms; syndrome-age relationship; angiographic study on anatomy of the celiac trunk stenosis; congenital or acquired origin; invasive diagnostic tests; surgical and postoperative results.
Tipo: Journal article Palavras-chave: Arterial occlusive disease; Celiac artery; Celiac plexus; Diaphragm; Syndrome.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000200008
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A Scanning Electron Microscopic Study on the Appendage Morphology of Astacus leptodactylus (Eschscholtz, 1823) and Pacifastacus leniusculus (Daña, 1852) (Crustácea:Decapoda: Astacoidea) International Journal of Morphology
Mustafa Harlioglu,Muzaffer.
This study compares the morphology of rostrum, pereipods 1,2,4 and mouthparts of juvenile Astacus leptodactylus with those oí Pacifastacus leniusculus. Differences in morphology were observed, in particular with regard to the mouthparts e.g. including setal armature and number of teeth on the mandible. In general, the shape of the rostra in the two species is similar in that both taper to a point with a pair of sharp spines distally. Laterally the rostrum of A. leptodactylus is bordered by a regular row of setae, which is not so well defined in P leniusculus. The observations also showed that in addition to an increase in size, changes in morphology in the feeding apparatus between the developmental stages of the two species were present. It was concluded...
Tipo: Journal article Palavras-chave: Appendages; Astacus; Crayfish; Mouthparts; Pacifastacus; Scanning electrón microscope.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400040
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A Segmental Hypoplastic Anterior Tibial Artery Coexisting with a Hypertrophied Perforating Fibular Artery a Case Report and Clinical Implications International Journal of Morphology
Ariyo,Olutayo.
Vascular injuries of the lower limb, especially from penetrating gunshot wounds, and peripheral arterial diseases are on the increase and management of these and many other lower limb injuries involve increasing usage of vascular interventions like by-pass surgery, per-cutaneous transluminal angioplasty, arterial cannulation, arterial bypass graft or minimally invasive measures like percutaneous trans-arterial catheterization, among others. A thorough knowledge of infrapopliteal branching most especially their pathways and luminal diameters are important to surgeons in selecting appropriate surgical interventions or procedures. We report the case in which one of the 3 terminal branches of the popliteal artery (PPA), the anterior tibial artery (ATA) of good...
Tipo: Journal article Palavras-chave: Segmental hypoplastic anterior tibial artery; Attenuated dorsalis pedis artery; Hypertrophied fibular artery; Infrapopliteal branching.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000100002
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A Single High Dose of Chlorpyrifos Reduces Long-Term Basal C-Fos Expression in the Rat Arcuate Hypothalamic Nucleus International Journal of Morphology
Carvajal,F; Lerma-Cabrera,J. M; Sánchez-Amate,M. C; Cubero,I.
Chlorpyrifos (CPF) is an organophosphate compound used worldwide as a pesticide in agriculture that, after subcutaneous injection, keeps acetylcholinesterase (AChE) activity inhibited within an organism for months. Ample clinical and experimental evidence shows that CPF exposure induces relevant and persistent neurobehavioral deficits in humans and animals, even after one single episode/injection. Additionally, clinical and epidemiological studies evidence that a significant percentage (60%) of Gulf War veterans as well as agricultural workers suffering from acute OP intoxication may have developed intolerance to nicotine and ethanol-containing beverages. Consistent with it, administration of a single high dose of CPF to adult Wistar rats elicited...
Tipo: Journal article Palavras-chave: Chlorpyrifos; Organophosphates; C-fos expression; Arcuate hypothalamic nucleus; Ethanol consumption.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000100015
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A Singular Method to Compare Dental Radiographic Films Used to Study Maxillofacial Structures International Journal of Morphology
Watanabe,Plauto Christopher Aranha; Issa,Joao Paulo Mardegan; Pardini,Luiz Carlos; Monteiro,Solange Aparecida Caldeira; Catirse,Alma Blásida Concepción Elizaur Benitez.
The aim of this article is to present a singular and practical method to compare roentgenograms, concerning optical density and contrast. This method is specifically indicated for research related to stepwedge penetrometer and photodensitometer
Tipo: Journal article Palavras-chave: Dental radiographic films; Radiographic density; Radiographic contrast.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000300017
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A Statistical Study of the Association of Seven Dental Anomalies in the Brazilian Population International Journal of Morphology
Miziara,R. C; Mendes-Junior,C. T; Wiezel,C. E. V; Simões,A. L; Scuoteguazza,J. A. C; Azoubel,R.
The objective of this study was to show the association patterns among seven types of dental anomalies (second pre-molar agenesis, upper side incisive reduced in size, lower first molar infra-ochlesis, enamel hypoplasia, first molar ectopic eruption, supra numerous teeth and upper canine ectopic eruption) in a population sample without dental treatment ranging in age from 7 to 14. A total of 172 patients were attended and underwent the clinical examination at the Clínica Infantil da Fundação Educacional de Barretas. Eleven patients from this total were selected according to a first dental anomaly diagnosis and submitted to panoramic radiography. A significant association (p<0.05) was detected among six pairs of anomalies (second pre-molar agenesis x...
Tipo: Journal article Palavras-chave: Dental anomalies; Genetics etiology; Brazilian Population.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000200025
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A Study of Anatomical Variations of Median Nerve Formation and Its Relation to the Arteries in the Axilla and Arm International Journal of Morphology
Samarawickrama,M. B.
Variations of the peripheral nerve formation, communication and distribution are clinically important because such knowledge can be used for proper planning of surgeries and evaluating effects of nerve injuries and clinical imaging. Median nerve is known to have several such variations. However studies done on median nerve in Sri Lankan subjects are spars. The objective of this study was to find out anatomical variations of the median nerve with regards to its variations in roots and relations to the arteries in the axilla and arm. The study was done using 98 upper limbs of 49 formalin fixed cadavers. They were dissected and anatomy of the median nerve formations was studied focusing its variations of the roots and relation to the arteries. Anatomical...
Tipo: Journal article Palavras-chave: Median nerve; Roots variations; Abnormal relations; Morphology.
Ano: 2017 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000200050
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A Study of the Anatomical Variations in the Position of the Greater Palatine Foramen in Adult Human Skulls and its Clinical Significance International Journal of Morphology
Dave,Mitesh R; Yagain,Vaishali Kiran; Anadkat,Samir.
Pain is a common distressing symptom in dental practice. Depending upon the cases, different techniques are used to relieve pain. One of these is peripheral trigeminal nerve block. Peripheral trigeminal nerve block anaesthesia has proved to be an effective and convenient way to anaesthetise large regions of oral and maxillofacial complex. This block can be intraoral or extra oral. The intraoral route is through the greater palatine foramen in which the dental surgeons enter into the pterygopalatine fossa, where the maxillary nerve is situated. The morphological variations in the position of greater palatine foramen may be of clinical importance in the administration of local anaesthesia and in palatal surgery. In the present study, the distance of greater...
Tipo: Journal article Palavras-chave: Greater palatine foramen; Peripheral trigeminal nerve block; Pterygopalatine fossa; Maxillary molars.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000200036
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A Study of the Staining Effect of Roselle (Hibiscus sabdariffa) on the Histologic Section of the Testis International Journal of Morphology
Egbujo,E. C.; Adisa,O. J; Yahaya,A. B.
This study describes the preparation and use of Roselle (Hibiscus sábddariffa) for the differential staining of testicular tissue sections to find out its staining effect on nuclear, cytoplasmic and other structures. Various treatments using modifications of the plant extract in water were carried out on sections of the rabbit testis. Various levéis of differentiation of nuclear and cytoplasmic structures as well as other structures of this organ was obtained especially when 1% eosin was applied as a counter stain. The best staining result was obtained when iron alum was used to mordant the extract and when the extract, mordanted with potassium alum was acidified using acetic acid and used to stain the sections. Modification of the aqueous extract to an...
Tipo: Journal article Palavras-chave: Hibiscus sabdariffa; Staining; Testis; Histologic section.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400022
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A Study on the Anomalies of Liver in the South Indian Cadavers International Journal of Morphology
Nayak B,Satheesha.
Liver is the largest gland in the body and rarely shows variations in its lobes and fissures. We studied 55 Formalin-fixed livers for occurrence of abnormal shape, lobes, fissures and position of gall bladder. In 60% of cases the liver was normal. 40% livers showed one or the other variations. Additional lobes were found in 9.09% of cases. Additional fissure was found in 1.81% of cases. Presence of dumbbell shaped caudate lobe and presence of large papillary process was noted in 1.81% cases each. In 1.81% cases the fissure for ligamentum teres was absent or situated on the anterior surface of the liver. In 1.81% of cases each the liver was either extremely long or extremely flat. In 18.18% of the cases, the gall bladder was short and its fundus did not...
Tipo: Journal article Palavras-chave: Liver; Gall bladder; Variation; Lobe; Fissure; Abnormal.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000200051
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A Study on the Number and Arrangement of the Structures Passing Through the Porta Hepatis in South Indian Population International Journal of Morphology
Sapna,M; Shetty,Surekha D; Nayak B,Satheesha.
The porta hepatis of the liver is a very important area surgically. The knowledge of the variations in the structures passing through the porta hepatis might be of great help in reducing the risks of surgery in this area. In the current study 59 livers from South Indian cadavers were observed for the number and arrangement of the structures passing through the porta hepatis. In all the livers the portal vein was posteriormost and the hepatic duct was the anteriormost structure. The hepatic artery and its branches were in between the duct and the vein. The mean weight of the liver was 1.025 kg. The mean length of porta hepatis was 4.825 cm and the mean breadth was 2.433 cm. The number varied from one to three for the duct and vein but for the artery it was...
Tipo: Journal article Palavras-chave: Liver; Porta hepatis; Bile duct; Portal vein; Hepatic artery.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000100026
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