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Registros recuperados: 15
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An Anomalous Left External Jugular Vein Draining into Right Subclavian Vein: A Case Report International Journal of Morphology
Rajanigandha,V; Rajalakshmi,R; Ranade,A. V; Pai,M. M; Prabhu,L. V; Ashwin,K; Jiji,P. J..
Knowledge of the varying drainage patterns of superficial veins of head & neck, in particular, jugular veins are not only important for anatomists but also for the surgeons operating at this level and to clinicians in general. The variations are important for interventional radiologists too who perform transjugular procedures, such as port implantations and the transjugular intrahepatic portosystemic shunt or selective venous samplings. Results of recent studies report that the superficial veins, especially the external jugular vein (EJV), is been increasingly utilized for cannulation to conduct diagnostic and therapeutic procedures. We report a very unusual presentation of external jugular vein on left side of an embalmed male cadáver....
Tipo: Journal article Palavras-chave: External jugular vein; Variations; Jugular venous system.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400018
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Anatomical Variations of the Azygos Venous System: Classification and Clinical Relevance International Journal of Morphology
Dahran,Naief; Soames,Roger.
The azygos venous system is highly variable in terms of its origin, course, communications, tributaries and termination of the associated veins: this study aimed to classify these anatomical variations. Thirty Thiel-embalmed cadavers aged 48­98 years (18 female, 12 male) were examined. The vertebral level of termination and diameter of the azygos, hemiazygos, accessory hemiazygos and the left superior intercostal veins were determined, as well as the termination level of the right superior intercostal vein. The azygos system was classified into 3 types; primitive (type 1), transitional (type 2) and unicolumnar (type 3). Type 2 was further divided into 5 subgroups (A to E) according to the number of retroaortic communications. Type one was observed in 3 %...
Tipo: Journal article Palavras-chave: Azygos; Hemiazygos; Retroaortic communications; Thiel-embalmed cadavers; Variations.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300051
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Arterial Supply to the Rotator Cuff Muscles International Journal of Morphology
Naidoo,N; Lazarus,L; De Gama,B. Z; Ajayi,N. O; Satyapal,K. S.
The arterial supply to the rotator cuff muscles is generally provided by the subscapular, circumflex scapular, posterior circumflex humeral and suprascapular arteries. This study involved the bilateral dissection of the scapulohumeral region of 31 adult and 19 fetal cadaveric specimens. The subscapularis muscle was supplied by the subscapular, suprascapular and circumflex scapular arteries. The supraspinatus and infraspinatus muscles were supplied by the suprascapular artery. The infraspinatus and teres minor muscles were found to be supplied by the circumflex scapular artery. In addition to the branches of these parent arteries, the rotator cuff muscles were found to be supplied by the dorsal scapular, lateral thoracic, thoracodorsal and posterior...
Tipo: Journal article Palavras-chave: Arterial supply; Variations; Rotator cuff muscles; Parent arteries.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000100023
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Arterial Variations of the Subclavian-Axillary Arterial Tree: Its Association with the Supply of the Rotator Cuff Muscles International Journal of Morphology
Naidoo,N; Lazarus,L; De Gama,B. Z; Ajayi,N. O; Satyapal,K. S.
The subclavian-axillary arterial tree is responsible for the arterial supply to the rotator cuff muscles as well as other shoulder muscles. This study comprised the bilateral dissection of the shoulder and upper arm region in thirty-one adult and nineteen fetal cadaveric specimens. The variable origins and branching patterns of the axillary, subscapular, circumflex scapular, thoracodorsal, posterior circumflex humeral and suprascapular arteries identified in this study corroborated the findings of previous studies. In addition, unique variations that are unreported in the literature were also observed. The precise anatomy of the arterial distribution to the rotator cuff muscles is important to the surgeon and radiologist. It will aid proper interpretation...
Tipo: Journal article Palavras-chave: Subclavian-axillary arterial tree; Variations; Supply; Rotator cuff muscles.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000400049
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Complete Ossification of the Superior Transverse Scapular Ligament in an Turkish Male Adult International Journal of Morphology
Büyükmumcu,M; Seker,M; Ozbek,O; Akin,D; Koc,O; Aydin,A. D; Salbacak,A.
Scapula has three margins and angles and located posterolateral of thorax. One of the anatomical structures of scapula is suprascapular notch located medial to coracoid process base. Suprascapular notch can be seen in different shapes and depths. Suprascapular notch is surrounded by transverse scapular ligament which is a short and strong ligament. Suprascapular notch creates an osteofibrosis passage with this structure within suprascapular nerve passes. It has been reported that this osteofibrosis structure can intirely or partially ossify. All lesions of nerves occured in course as result of exposure to compression, tension and bending are called entrapment neuropathy. Like other peripheral nerves, suprascapular nerve can be exposed to compression while...
Tipo: Journal article Palavras-chave: Suprascapular notch; Multidetector Computed Tomography; Variations.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000200038
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Entrapment of the Sural Nerve on Gastrocnemius Muscle: Histological Analysis International Journal of Morphology
De-Paula,Rafael C; Felix,Bruno; Bezerra,Ewerton C; Rodrigues,Mauro R; Fernandes,Rodrigo M. P; Babinski,Marcio A.
Anatomical variations in the formation of the sural nerve are common, although the topographical localization of this nerve is constant. In this report, we describe the histological analysis of anomalous course of the medial sural cutaneous nerve which descended through the gastrocnemius via a tunnel formed within the muscle and fascia. This anatomical curiosity are clinically important when evaluating sensory axonal loss in distal axonal neuropathies since sural nerve mononeuropathy is less likely to occur.
Tipo: Journal article Palavras-chave: Sural nerve; Gastrocnemius muscle; Variations; Histology.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300022
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Long-term changes in sand-bottom macrofauna along the coast of Provence (northwest Mediterranean Sea) ArchiMer
Masse, Hl.
At a time when there is a great deal of talk of the degradation of the coastal environment and of biodiversity being threatened, we felt it would be of interest to sample the macrofauna of five sites at five metres depth in well sorted fine sand at a thirty-year interval (1966-1996), using the same techniques. Four seasonal samplings provided comparative data at each site on the species richness (S), density (N) and biomass (B). The S values are comparable and even on the increase at two stations. Nevertheless, we observed a general tendency towards decline in the relative abundance of the crustacean group. From the quantitative point of view (N and B), the changes observed would appear to result from the impact of clearly identifiable human pressure, such...
Tipo: Text Palavras-chave: Méditerranée; Macrofaune des sables; Variations; Long-terme; Mediterranean; Sand-macrofauna; Changes; Long-term.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00325/43572/44053.pdf
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Multiple Variations of the Branches of the Brachial Plexus with Bilateral Connections between Ulnar and Radial Nerves International Journal of Morphology
Ajayi,Nasirudeen Oladipupo; Lazarus,Lelika; Satyapal,Kapil Sewsaran.
During routine dissection of the upper limbs of a Caucasian male cadaver, multiple variations of the branches of the brachial plexus were observed. On the left side, the musculocutaneous nerve was absent and the muscles of the anterior compartment of the arm were innervated by the median nerve. The median nerve was also formed from three roots viz; two from the lateral and one from the medial cord of the brachial plexus. On the right side, the musculocutaneous nerve contributed a long communicating branch to the median nerve in the distal half of the arm. There were also communicating branches between the ulnar and radial nerves in both limbs at the humeral level. The co-existence of these variations appears to be unique and has not been reported in the...
Tipo: Journal article Palavras-chave: Brachial plexus; Variations; Median nerve; Musculocutaneous nerve; Ulnar nerve; Radial nerve; Communication.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000200049
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Normal and Variant Anatomy of Renal Hilar Structures and its Clinical Significance International Journal of Morphology
Trivedi,S; Athavale,S; Kotgiriwar,S.
Advanced imaging techniques have resulted in increasing use of minimally invasive approaches for nephron sparing surgeries of kidney. Need for precise knowledge of normal and variant anatomy of vascular pedicle of kidney is thus justified. Ample literature is available on the variations in the intrarenal vascular pattern of the kidney, which are seen frequently. But the variation in arrangement of structures at the renal hilum has not gained much interest up till now. One hundred (51 right and 49 left) embalmed kidneys were utilized for the present study. Careful dissection of renal hilar structures was carried out to observe antero-posterior relationship of structures at the hilum of the kidney. In majority (73%), the arrangement was not according to the...
Tipo: Journal article Palavras-chave: Kidney; Laparoscopic partial nephrectomy; Renal hilum; Variations.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000400052
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Position and Blood Supply of the Carotid Body in a Kenyan Population International Journal of Morphology
Muthoka,Johnstone M; Hassanali,Jameela; Mandela,Pamella; Ogeng'o,Julius A; Malek,Adel A.
Position and source of blood supply to the human carotid body displays population variations. These data are important during surgical procedures and diagnostic imaging in the neck but are only scarcely reported and altogether missing for the Kenyan population. The aim of this study was to describe the position and blood supply of the carotid body in a Kenyan population. A descriptive cross-sectional study at the Department of Human Anatomy, University of Nairobi, was designed. 136 common carotid arteries and their bifurcations were exposed by gross dissection. The carotid body was identified as a small oval structure embedded in the blood vessel adventitia. Position and source of blood supply were photographed. Data are presented by tables and...
Tipo: Journal article Palavras-chave: Carotid body; Position; Variations; Kenyan.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000100010
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The Anatomy of the Plantar Arterial Arch International Journal of Morphology
Kalicharan,A; Pillay,P; Rennie,C; Haffajee,M. R.
The plantar arterial arch provides the dominant vascular supply to the digits of the foot, with variability in length, shape, and dominant blood supply from the contributing arteries. According to the standard definition, the plantar arterial arch is formed from the continuation of the lateral plantar artery and the anastomoses between the deep branch of dorsalis pedis artery. In this study, 40 adult feet were dissected and the plantar arch with variations in shape and arterial supply was observed. The standard description of the plantar arch was observed in 55% of the specimens with variations present in 45%. Variations in terms of shape were classified into three types: Type A (10%): plantar arterial arch formed a sharp irregular curve; type B (60%):...
Tipo: Journal article Palavras-chave: Arterial supply; Variations; Plantar arch; Foot; Vascular surgery.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000100005
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Topography of the Middle Genicular Artery is Associated with the Superior and Inferior Genicular Arteries International Journal of Morphology
Yang,Kiwook; Park,Jae-Hee; Jung,Soo-Jung; Lee,Hyunsu; Choi,In-Jang; Lee,Jae-Ho.
Total knee arthroplasty has increased substantially, however anatomical studies of the genicular arteries (GAs) in this region are rare. The aim of this study was to identify the pattern and branching points of GAs and their relationship. In 42 lower limbs, the pattern and branching points of GAs were confirmed. The horizontal line which extends between the most prominent point of the lateral and medial margins of patella was defined as a reference line. The distance of branching point of the GAs from the reference line was measured, and the correlations between these points were analyzed. The superior lateral and medial genicular arteries (SLGA and SMGA) were located at + 38.17 ± 3.10 mm and + 32.68 ± 3.83 mm from the reference line, respectively. The...
Tipo: Journal article Palavras-chave: Genicular artery; Popliteal artery; Topography; Variations.
Ano: 2017 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000300019
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Unusual Branching Pattern of External Iliac Artery: Case Report International Journal of Morphology
Ranganath,Vallabhajosyula; Gayathri,T.
During the routine dissection, a rare anomaly was observed in left lower limb of a female cadaver. The external iliac artery continued as femoral artery, branched on lateral side as the lateral circumflex femoral artery and on medial side as profunda femoris artery. On tracing the lateral circumflex femoral artery, the ascending branch towards the spinous anastomosis was very thin and coursed behind the rectus femoris muscle. The transverse and descending branches were not observed, however, the artery coursed along the vastus lateralis towards the knee. The femoral artery had its normal course and continued as popliteal artery. The profunda femoris artery originated from the medial side of the external iliac artery, initially superficial to the femoral...
Tipo: Journal article Palavras-chave: External iliac artery; Profunda femoris; Lateral circumflex femoral artery; Variations; Vascular anatomy.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000300028
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Unusual Topography of Posterior Antebrachial Musculature in the First Osseofibrous Compartment of Wrist: Clinicomorphological Appraisal International Journal of Morphology
Arora,Jyoti; Mehta,Vandana; Suri,Rajesh Kumar; Rath,Gayatri.
Anatomical variations of abductor pollicis longus and extensor pollicis brevis are important in clinical assessment of diseased and traumatized hand. The present case reports an unusual fusion of muscle bellies of abductor pollicis longus and extensor pollicis brevis with two separate tendons of insertion, the medial tendon inserted into the base of first metacarpal and the lateral tendon into the abductor pollicis brevis muscle. Knowledge of such anatomical variations is of utmost importance in the management of De Quervain's disease and reconstructive surgeries of hand.
Tipo: Journal article Palavras-chave: Abductor pollicis longus; Extensor pollicis brevis; De Quervain's syndrome; Variations.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000200060
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Variations in the Branching Pattern of the Celiac Trunk in a Kenyan Population International Journal of Morphology
Mburu,Kimani Stephen; Alexander,Ogeng'o Julius; Hassan,Saidi; Bernard,Ndung'u.
The celiac trunk is the major source of blood supply to the supracolic abdominal compartment. Usually, it branches into the splenic, common hepatic and left gastric arteries to supply this region. It has however been shown to display ethnic variations in its branching pattern. Knowledge of these variations may be important in surgical and radiological procedures around the head of the pancreas. The aim was to illustrate the commonest variations in the branching pattern of the celiac trunk in a Kenyan population. The study was conducted in the Department of Human Anatomy, University of Nairobi. Were collected one hundred twenty three (123) bodies obtained from dissection cadavers and autopsy cases following ethical approval and consent from next of kin....
Tipo: Journal article Palavras-chave: Celiac; Variations; Kenyans; Artery.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000100028
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