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Anatomical Science International

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https://www.readbyqxmd.com/read/29987440/rotator-cable-in-pathological-shoulders-comparison-with-normal-anatomy-in-a-cadaveric-study
#1
Michał Tomasz Podgórski, Łukasz Olewnik, Piotr Grzelak, Michał Polguj, Mirosław Topol
The rotator cable is a semicircular thickening of the glenohumeral joint capsule. It travels between tubercles of the humerus and interweaves with the supra- and infraspinatus muscle tendons. The rotator cable anchors these tendons to the tubercles, playing the role of a suspension bridge. However, little is known about the modifications of this cable that result from pathologies to the rotator cuff tendons. Thus, we aim to compare the morphology of the normal rotator cable with cables in specimens with rotator cuff injuries...
July 10, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29951777/differences-in-femoral-morphology-among-the-orientals-and-caucasians-a-comparative-study-using-plain-radiographs
#2
Najam Siddiqi, Antonio Valdevit, E Y S Chao
The purpose of this study was to identify the differences in femoral dimensions among Caucasian and Oriental populations. A total of 268 femora were collected from China, Japan, Korea, Taiwan and the United States. Firstly, the dimensional parameters for measuring femur were identified. These were initially measured on bone specimens to determine the methodology, followed by measuring the same parameter on plane radiographs of the same bone specimen using a board, and digitized with the aim of verifying the repeatability and reliability of the data...
June 27, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29931653/transmission-electron-microscopic-and-immunohistochemical-observations-of-resting-follicles-of-feathers-in-chicken-show-massive-cell-degeneration
#3
Lorenzo Alibardi
The molting cycle of feathers includes an anagen (growth) stage, a likely catagen stage where the feather follicles degenerate, and a resting stage where fully grown feathers remain in their follicles and are functional before molting. However, the cytological changes involved in the resting and molting stages are poorly known, so the results of an ultrastructural analysis of these processes in adult chick feathers are presented here. The study showed that the dermal papilla shrinks, and numerous cells present increased heterochromatin and free collagen fibrils in the extracellular matrix...
June 22, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29931652/anatomical-investigations-of-the-tongue-and-laryngeal-entrance-of-the-egyptian-laughing-dove-spilopelia-senegalensis-aegyptiaca-in-egypt
#4
Mohamed M A Abumandour, Neveen E R El-Bakary
In the present work, the first full anatomical description of the tongue and laryngeal entrance of the Egyptian laughing dove Spilopelia senegalensis aegyptiaca, which was obtained with the aid of scanning electron microscopy (SEM) and histological techniques, is provided. The lingual apex was rounded and the cranially convex papillary crest exhibited a transverse papillary row, in addition to another row consisting of two giant papillae. Papillae were not observed on the elevated, triangular laryngeal mound except for the glottic opening, which was bounded by two lateral elevated borders that presented a row of small papillae...
June 21, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29948977/biological-aspects-of-the-tongue-morphology-of-wild-captive-wwcps-rats-a-histological-histochemical-and-ultrastructural-study
#5
Karolina Goździewska-Harłajczuk, Joanna Klećkowska-Nawrot, Karolina Barszcz, Krzysztof Marycz, Tomasz Nawara, Klaudia Modlińska, Rafał Stryjek
The aim of this study was to characterise the tongue in wild-type rats using several microscopic techniques. Warsaw Wild Captive Pisula Stryjek (WWCPS) rats belong to a lineage of wild-caught rats. The study was carried out on tongues of 15 male and 15 female WWCPS rats. Histological, histochemical and ultrastructural studies were carried out. There were no significant differences between the male and female WWCPS rat tongues. There was a median groove approximately 1 cm long in the apex of the tongue that faded caudally...
June 14, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29948976/arterial-irrigation-of-the-head-and-neck-of-the-pampas-deer-ozotoceros-bezoarticus-linnaeus-1758
#6
Noelia Vazquez, Dellis Dos Santos, William Pérez
The pampas deer (Ozotoceros bezoarticus) is a medium-sized deer that weighs 20-40 kg. Historically, it was a widely distributed species that occupied a wide range of open habitats, including pastures, pampas, and Brazilian savanna. However, it is currently considered to be a species at risk of extinction. Anatomical descriptions of the arterial supply are very useful when working with exotic mammals. Knowledge of the locations, the distribution pattern, and the anatomical relationships of the arteries is required when performing any intervention...
June 12, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29948975/anatomy-of-the-coronary-artery-and-cardiac-vein-in-the-quail-ventricle-patterns-are-distinct-from-those-in-mouse-and-human-hearts
#7
Masahiro Kato, Mayu Narematsu, Yuji Nakajima
Coronary vessel development has been investigated in avian and mouse embryonic hearts. Quail embryos are a useful tool to examine vascular development, particularly because the QH1 antibody and transgenic quail line, Tg (tie1:H2B-eYFP), are useful to trace endothelial cells. However, there are only a few descriptions of the quail coronary vessels. Using ink injection coronary angiography, we examined the course of coronary vessels in the fetal quail heart. The major coronary arteries were the right and left septal arteries, which, respectively, branched off from the right and left coronary stems...
June 9, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29876845/effects-of-streptozotocin-induced-diabetes-on-leg-muscle-contractile-properties-and-motor-neuron-morphology-in-rats
#8
Toru Tamaki, Ken Muramatsu, Masako Ikutomo, Naomi Oshiro, Hisae Hayashi, Masatoshi Niwa
Skeletal muscle fiber subtypes are differentially sensitive to diabetes-related pathology; For example, fast-twitch muscles exhibit severe decreases in contraction force while slow-twitch muscles demonstrate prolonged half-relaxation time. However, such alterations have only been examined after a relatively short period following diabetes onset, with no information available regarding muscle damage caused by longer disease periods (>20 weeks). This study examined alterations in the contractile properties of the medial gastrocnemius (fast-twitch) and soleus (slow-twitch) muscles, as well as morphological changes in their motor neurons 12 and 22 weeks after diabetes onset...
June 6, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29779205/correction-to-morphological-reflections-of-evolutionary-adaptations-in-the-tongue-of-the-white-headed-duck
#9
Ghasem Akbari, Belal Hassanzadeh, Mohammad Sadegh Madadi, Mohammad Babaei
The affiliation of the third author has been incorrectly published in the original publication of the article. The correct affiliation is provided in this erratum.
May 19, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29777511/a-case-of-pancake-kidney-with-a-single-ureter-in-the-retroperitoneal-space
#10
Kasuga Horai, Munekazu Naito, Tomiko Yakura, Yuka Furuya, Yusuke Ohmichi, Mika Ohmichi, Takayoshi Miyaki, Takashi Nakano
The pancake kidney (PK) is a rare type of renal anomaly in which both kidneys completely fuse without an isthmus. In the previous reports, PKs have double ureters and are located in the pelvic cavity. We encountered a rare case of PK with a single ureter, which is located in the left retroperitoneal space, in a 95-year-old female cadaver, which was detected during a dissection course. In our case, the major calyces joined to form a single renal pelvis, which continued as a single ureter. To the best of our knowledge, this is the first report on PK with a single ureter that is located not in the pelvic cavity but in the retroperitoneal space...
May 18, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29725864/anatomical-classification-of-breast-sentinel-lymph-nodes-using-computed-tomography-lymphography
#11
Tamaki Fujita, Hiroyuki Miura, Hiroko Seino, Shuichi Ono, Takashi Nishi, Akimasa Nishimura, Kenichi Hakamada, Masahiko Aoki
To evaluate the anatomical classification and location of breast sentinel lymph nodes, preoperative computed tomography-lymphography examinations were retrospectively reviewed for sentinel lymph nodes in 464 cases clinically diagnosed with node-negative breast cancer between July 2007 and June 2016. Anatomical classification was performed based on the numbers of lymphatic routes and sentinel lymph nodes, the flow direction of lymphatic routes, and the location of sentinel lymph nodes. Of the 464 cases reviewed, anatomical classification could be performed in 434 (93...
May 3, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29700803/lumbosacral-loadbearing-sagittal-shift-in-the-line-of-gravity-and-joint-surface-areas
#12
LETTER
Niladri Kumar Mahato
No abstract text is available yet for this article.
April 26, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29277855/bifurcation-of-brachial-artery-into-a-common-radial-interosseous-trunk-and-superficial-ulnar-artery-a-rare-variation
#13
Suresh Narayanan, Senthil Murugan
Variations in the branching pattern of brachial artery and abnormal course of its branches are not uncommon. The present article describes a case of bifurcation of the brachial artery into a common radial-interosseous trunk and superficial ulnar artery. The embryological basis behind the present case report could be, the radial artery establishing a connection with the axis artery just below the level of origin of ulnar artery, the posterior interosseous artery arising from the axis artery distal to the origin of the radial artery...
June 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29270912/surface-ultrastructural-sem-characteristics-of-oropharyngeal-cavity-of-house-sparrow-passer-domesticus
#14
Mohamed M A Abumandour
The focus of the present study is to provide a full morphological description of the oropharyngeal cavity of the house sparrow. The head of six birds was prepared for gross examination and by stereo and electron microscopy. The bifid lingual apex has multiple long, rostrally directed needle-like processes. The lateral border of the apex carries rostromedially directed needle-like processes. The dorsal lingual surface of the apex and body carries numerous caudomedially directed filiform papillae and many orifices of lingual salivary glands...
June 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29256114/vascular-endothelial-growth-factor-receptor-1-vegfr1-tyrosine-kinase-signaling-facilitates-granulation-tissue-formation-with-recruitment-of-vegfr1-cells-from-bone-marrow
#15
Keiichi Park, Hideki Amano, Yoshiya Ito, Yoshio Mastui, Mariko Kamata, Yasuharu Yamazaki, Akira Takeda, Masabumi Shibuya, Masataka Majima
Vascular endothelial growth factor (VEGF)-A facilitates wound healing. VEGF-A binds to VEGF receptor 1 (VEGFR1) and VEGFR2 and induces wound healing through the receptor's tyrosine kinase (TK) domain. During blood flow recovery and lung regeneration, expression of VEGFR1 is elevated. However, the precise mechanism of wound healing, especially granulation formation on VEGFR1, is not well understood. We hypothesized that VEGFR1-TK signaling induces wound healing by promoting granulation tissue formation. A surgical sponge implantation model was made by implanting a sponge disk into dorsal subcutaneous tissue of mice...
June 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29222673/ureteric-entrapment-in-sacroiliac-joint-causing-hydroureter-and-ipsilateral-kidney-hypertrophy
#16
Yurie Otsuru, Chuichi Kondo, Shohei Hara, Hideo Takahashi, Kenjiro Matsuno
A unilateral megaureter was found in an elderly female cadaver during routine dissection. The left proximal ureter, which was thick and convolute, descended and entered into the pelvic cavity, where the distal ureter was attached to the posterior pelvic wall at the inlet level. Removal of connective tissue surrounding the attached region revealed ureteric entrapment in the sacroiliac joint. The ipsilateral kidney, from which the megaureter originated, showed no pelvicalyceal dilatation. In contrast, the left kidney was enlarged, weighing 24% more than the right kidney...
June 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29222672/morphological-alterations-in-the-position-of-the-mandibular-foramen-in-dentate-and-edentate-mandibles
#17
Niki Matveeva, Lidija Popovska, Biljana Evrosimovska, Elizabeta Chadikovska, Julijana Nikolovska
The technique of inferior alveolar nerve (IAN) block must be based on precise anatomical knowledge regarding the correct position of the mandibular foramen (MF). The aim of the investigation reported here was to determine the anatomic and topographic localization of the MF according to mandibular ramus anatomic landmarks and to identify morphological alterations in the position of the MF and size and shape of the ramus in terms of the impact of tooth socket loss in the molar and premolar region. Seventy-three dry human adult mandibles were divided into two groups according to dental status...
June 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29177969/the-effect-of-methamphetamine-exposure-during-pregnancy-and-lactation-on-hippocampal-doublecortin-expression-learning-and-memory-of-rat-offspring
#18
Zahra Jalayeri-Darbandi, Aliakbar Rajabzadeh, Mahmoud Hosseini, Farimah Beheshti, Alireza Ebrahimzadeh-Bideskan
The aim of this study was to evaluate the effect of methamphetamine (MA) exposure during pregnancy and lactation on doublecortin (DCX) expression in the hippocampus of rat offspring and also on learning/memory. Thirty-five pregnant Wistar rats were randomly divided into seven groups of 5 rats each: three experimental groups, each receiving 5 mg/kg body weight (BW) intraperitoneal (i.p.) injections of MA during pregnancy or/and lactation; three sham groups, each receiving saline injections; one control group, receiving no injection...
June 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29168108/the-malaris-muscle-its-morphological-significance-for-sustaining-the-intraorbital-structures
#19
Natnicha Kampan, Masahiro Tsutsumi, Itsuko Okuda, Hisayo Nasu, Mi-Sun Hur, Kumiko Yamaguchi, Keiichi Akita
The orbicularis oculi muscle, an important mimetic muscle, was investigated to ascertain its anatomical relation to facial aging-especially its orbital part (Oo). Previous studies of the distinct muscle bundles frequently found inferior to the Oo have provided various definitions, including that of the malaris muscle. This study aimed to examine these muscle bundles and clarify their function in facial aging. Twelve heads of Japanese cadavers (average age: 82.5 years old) were dissected to observe the muscles, focusing in particular on those in the periorbital region...
June 2018: Anatomical Science International
https://www.readbyqxmd.com/read/28952063/morphological-characteristics-of-the-tongue-and-lingual-papillae-of-the-large-bamboo-rat-rhizomys-sumatrensis
#20
Thanakul Wannaprasert
The large bamboo rat (Rhizomys sumatrensis) is a fossorial rodent found throughout Indochina that has a distinct habitat dominated by bamboo thickets. In the study reported here, the lingual biology of this rodent is described in detail, based on characteristic features of the tongue and lingual papillae as determined by light and scanning electron microscopy studies. The tongue was found to be elongated with a rounded apex and possessed a median groove and a well-developed intermolar prominence. Three types of the papillae were found on the dorsal lingual surface: filiform, fungiform and vallate papillae...
June 2018: Anatomical Science International
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