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Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology

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https://www.readbyqxmd.com/read/27998013/neuroprotective-and-ameliorating-impacts-of-omega-3-against-aspartame-induced-neuronal-and-astrocytic-degeneration
#1
Eyad M T Ali, Hany M A Sonpol
Aspartame (ASP) is one of the commonest artificial sweetener used all over the world and considered as an extremely risky compound and raises a lot of controversy. Therefore, this study was designed to investigate cellular damage of the anterior horn cells in the spinal cord of albino male rats and the possibility of hindering these changes by using omega-3 (OM3).Thirty seven adult male albino rats were divided into three groups: Control, ASP-treated and ASP+OM3-treated groups. Spinal cord sections were prepared and stained with Hx&E, caspase-3 and GFAP immunostaining...
December 20, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27997081/uterine-focal-adhesion-dynamics-during-pregnancy-in-a-marsupial-sminthopsis-crassicaudata-dasyuridae
#2
Melanie K Laird, Michaela Turancova, Bronwyn M McAllan, Christopher R Murphy, Michael B Thompson
Alterations to the basal attachment points between the epithelium of the uterus and the underlying tissue in early pregnancy affect how easily the epithelium can be invaded by the implanting embryo. Attachment points- focal adhesions- disassemble to facilitate highly invasive implantation in rats, but species with less invasive implantation, including marsupials, may require different basal alterations for successful pregnancy. Here we used immunofluorescence microscopy and Western blotting to conduct the first study of basal plasma membrane dynamics in the uterus during marsupial pregnancy...
December 20, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27997077/bone-microstructure-of-pareiasaurs-parareptilia-from-the-karoo-basin-south-africa-implications-for-growth-strategies-and-lifestyle-habits
#3
Aurore Canoville, Anusuya Chinsamy
Numerous morphological studies have been carried out on pareiasaurs; yet their taxonomy and biology remain incompletely understood. Earlier works have suggested that these herbivorous parareptiles had a short juvenile period as compared to the duration of adulthood. Several studies further suggested an (semi-) aquatic lifestyle for these animals, but more recent investigations have proposed a rather terrestrial habitat. Bone paleohistology is regarded as a powerful tool to assess aspects of tetrapod paleobiology, but few studies have been conducted on pareiasaurs...
December 20, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27997075/vascular-canals-in-permanent-hyaline-cartilage-development-corrosion-of-non-mineralized-cartilage-matrix-and-removal-of-matrix-degradation-products
#4
Simone Gabner, Gabriele Häusler, Peter Böck
Core areas in voluminous pieces of permanent cartilage are metabolically supplied via vascular canals (VCs). We studied cartilage corrosion and removal of matrix degradation products during the development of VCs in nose and rib cartilage of piglets. Conventional staining methods were used for glycosaminoglycans, immunohistochemistry was performed to demonstrate collagens types I and II, laminin, Ki-67, von Willebrand factor, VEGF, macrophage marker MAC387, S-100 protein, MMPs -2,-9,-13,-14, and their inhibitors TIMP1 and TIMP2...
December 20, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27997073/effects-of-growth-on-muscle-tendon-and-aponeurosis-tissues-in-rabbit-shank-musculature
#5
Markus Böl, Kay Leichsenring, Tobias Siebert
There exist several studies using morphological analyses of skeletal muscles to obtain a better understanding of muscle structure. The structural information obtained are primarily determined from single muscle components using individual animals of discrete ages. Further, little is known about changing dimensions of the aponeurosis, which is an important load-transferring interface in muscle mechanics. Thus, the aim of the present study was to determine how the muscle, tendon, and particularly the aponeurosis geometry of the rabbit shank musculature (M...
December 20, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27981811/canine-transmissible-venereal-tumor-is-its-biological-behavior-changing
#6
LETTER
A P Duzanski, H B Fêo, L M Montoya, C V Seullner, N S Rocha
No abstract text is available yet for this article.
December 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27981802/a-novel-method-for-constructing-histological-section-datasets-of-the-basal-ganglia-in-digitized-human-brain
#7
Xie Luoyingzi, Rong Jingjing, Li Qiyu
OBJECTIVE: To investigate the construction of the histological section datasets in the basal ganglia of digitized human brain to provide a reference for the meso-level histological data acquisition. METHODS: a fresh adult brain from a cadaver with no neurological disease was selected, and tissue blocks of the basal ganglia in the right hemisphere was extracted using the visualization method, followed by pretreatments including gradient dehydrating, gelatin-embedding and setting of calibration points...
December 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27981799/expression-of-epithelial-and-mesenchymal-differentiation-markers-in-the-early-human-gonadal-development
#8
Vlatka Martinovic, Tanja Vukusic Pusic, Ivana Restovic, Ivana Bocina, Natalija Filipovic, Mirna Saraga-Babic, Katarina Vukojevic
Expressions of cytokeratin 8 (CK8), vimentin, nestin and alpha-smooth-muscle-actin (alpha-SMA) were analyzed in the developing gonads of 12, 5-9 week old (W) human conceptuses by immunohistochemistry and immunofluorescence. During the investigated period, the number of CK8 positive cells increased from 56% to 92% in the gonadal surface epithelium, from 50% to 60% in the stroma, and from 23% to 42% in the medulla. In the early fetal period, the cell expression of CK8 increased in all gonadal parts, whereas primordial germ cells (PGC) remained negative...
December 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27981794/reproductive-tract-histology-in-south-american-fur-seal-pups-arctophoca-australis
#9
Helena Katz, Olle Johansson
In the present study, a detailed histological description of the female reproductive tract of South American fur seal (Arctophoca australis) pups has been conducted. The uterine tube was covered by cuboidal to columnar epithelium; nerve fibers were present in the mesosalpinx and beneath the muscular layer. The uterus was bipartitus; the endometrial surface of the horns was lined by a simple cuboidal or columnar epithelium with deep tubular glands; caudally ("the transition area"), the epithelium changed to pseudostratified columnar, few tubular glands were present and the myometrium increased in width...
December 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27981787/pathogenesis-haemodynamics-and-growth-of-intracranial-aneurysms-future-directions
#10
LETTER
Patricia Bozzetto Ambrosi, Carlos Augusto Carvalho de Vasconcelos, Jacques Moret, Laurent Spelle, Marcelo Moraes Valença
No abstract text is available yet for this article.
December 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27981785/morphological-study-ultrastructural-aspects-of-articular-cartilage-and-sub-chondral-bone-in-patients-affected-by-post-traumatic-shoulder-instability
#11
Paolo Baudi, Fabio Catani, Manuela Rebuzzi, Marzia Ferretti, Alberto Smargiassi, Gabriele Campochiaro, Fabio Serafini, Carla Palumbo
Post-traumatic shoulder instability is a frequent condition in active population, representing one of most disabling pathologies, due to altered balance involving joints. No data are so far available on early ultrastructural osteo-chondral damages, associated with the onset of invalidating pathologies, like osteoarthritis-OA. Biopsies of glenoid articular cartilage and sub-chondral bone were taken from 10 adult patients underwent arthroscopic stabilization. Observations were performed under Transmission Electron Microscopy-TEM in tangential, arcuate and radial layers of the articular cartilage and in the sub-chondral bone...
December 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27981780/skull-anatomy-and-ontogeny-of-legless-lizard-pseudopus-apodus-pallas-1775-heterochronic-influences-on-form
#12
Jozef Klembara, Karolína Dobiašová, Miroslav Hain, Oleksandr Yaryhin
Pseudopus apodus (Pallas, 1775) is the largest extant legless species of the subfamily Anguinae (Anguimorpha, Anguidae) living mostly in the sub-arid territories ranging from the Balkan area in Europe to Kazakhstan in Asia. The species of other two genera live in North America, South-East Asia and North Africa (Ophisaurus) and Europe and South-West Asia (Anguis). The interrelationships of Anguinae are unresolved; this is in part the consequence of the insufficient knowledge of the cranial, postcranial and integumentary anatomy of the individual anguine species...
December 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27981779/thalamic-dopaminergic-neurons-projects-to-the-paraventricular-nucleus-rostral-ventrolateral-medulla-c1-neural-circuit
#13
Olalekan M Ogundele, Charles C Lee, Joseph Francis
Paraventricular nuclei (PVN) projections to the rostral ventrolateral medulla (RVLM)/C1 catecholaminergic neuron group constitute the pre-autonomic sympathetic center involved in the neural control of systemic cardiovascular function. However, the role of extra-hypothalamic and thalamic dopaminergic inputs in this circuit remains underexplored. Using retrograde neuroanatomical tracing and high contrast confocal imaging methods, we investigated the projections and morphology of the discrete thalamic dopaminergic neuron groups in the dorsal hypothalamic area (DHA) and their contribution to the PVN-RVLM neural circuit...
December 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27884055/the-association-of-forefoot-varus-deformity-with-patellofemoral-cartilage-damage-in-older-adult-cadavers
#14
Rebecca S Lufler, Joshua J Stefanik, Jingbo Niu, F Kip Sawyer, Todd M Hoagland, K Douglas Gross
INTRODUCTION: Forefoot alignment may contribute to patellofemoral joint (PFJ) osteoarthritis (OA) via its influence on the closed chain kinematics of the lower limb. The purpose of this cadaveric study was to investigate the relationship between forefoot varus and ipsilateral cartilage damage in the medial and lateral PFJ. MATERIALS AND METHODS: Forefoot alignment measurements were obtained from the feet of 25 cadavers (n=50). Cartilage damage in the medial and lateral PFJ of each knee was scored using the Outerbridge scale...
November 24, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27884046/effect-of-lycopene-and-rosmarinic-acid-on-gentamicin-induced-renal-cortical-oxidative-stress-apoptosis-and-autophagy-in-adult-male-albino-rat
#15
Naglaa A Bayomy, Reda H Elbakary, Marwa A A Ibrahim, Eman Z Abdelaziz
Gentamicin nephrotoxicity accounts for 10-15% of all cases of acute renal failure. Several natural antioxidants were found to be effective against drug-induced toxicity. The possible protective effects of lycopene (Lyc) and rosmarinic acid (RA) alone or combined on gentamicin (Gen) induced renal cortical oxidative stress, apoptosis and autophagy were evaluated. Sixty three rats were randomly divided into seven groups named: control, group II received RA 50 mg/kg/day, group III received Lyc 4 mg/kg/day, group IV received Gen 100 mg/kg/day, group V (RA + Gen), group VI (Lyc + Gen) and group VII (RA + Lyc + Gen)...
November 24, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27875640/an-untold-story-the-important-contributions-of-muslim-scholars-for-the-understanding-of-human-anatomy
#16
REVIEW
Malak A Alghamdi, Janine M Ziermann, Rui Diogo
It is usually assumed that Galen is one of the fathers of anatomy and that between the Corpus Galenicum and the Renaissance there was no major advance in anatomical knowledge. However, it is also consensually accepted that Muslim scholars had the intellectual leadership from the 8th/9th to 13th centuries, and that they made remarkable progresses in numerous scientific fields including medicine. So, how is it possible that they did not contribute to advance human anatomy during that period? According to the dominant view, Muslim scholars exclusively had a passive role: their transmission of knowledge from the Greeks to the West...
November 22, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27874267/human-digital-meissner-corpuscles-display-immunoreactivity-for-the-multifunctional-ion-channels-trpc6-and-trpv4
#17
P Alonso-González, R Cabo, I San José, A Gago, I C Suazo, O García-Suárez, J Cobo, J A Vega
Ion channels are at the basis of the sensory processes including mechanosensing. Some members of the transient receptor (TRP) ion channel superfamily have been proposed as mechanosensors, but their putative role in mechanotransduction is controversial. Among them there are TRP canonical 6 (TRPC6) and TRP vanilloid 4 (TRPV4) ion channels, which are known to cooperate in mechanical hyperalgesia. Here we investigated the occurrence, distribution and possible co-localization of TRPC6 and TRPV4 in human digital Meissner sensory corpuscles using immunohistochemistry and double immunofluorescence (associate with markers for specific corpuscular constituents)...
November 22, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27860365/fetal-development-of-the-incisive-canal-especially-of-the-delayed-closure-due-to-the-nasopalatine-duct-a-study-using-serial-sections-of-human-fetuses
#18
Ji Hyun Kim, Kyoko Oka, Zhe Wu Jin, Gen Murakami, José Francisco Rodríguez-Vázquez, Sung Woo Ahn, Hong Pil Hwang
The incisive canal of the incisive bone or premaxilla is a narrow bony canal through which pass the nasopalatine nerve and its concomitant vessels. However, its fetal development remains obscure. To assess its development, serial frontal sections of the heads of 26 human fetuses, of gestational age 9-20 weeks (crown-rump length, 46-183 mm), were examined. The nerve initially passed through a wide loose tissue space, but after ossification of the upper part of the incisive bone at 12-15 weeks, the canal became narrow and filled with tight fibrous tissue...
November 18, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27860408/ionized-calcium-binding-adaptor-molecule-1-positive-macrophages-and-ho-1-up-regulation-in-intestinal-muscularis-resident-macrophages
#19
Hanne B Mikkelsen, Jan D Huizinga, Jytte O Larsen, Svend Kirkeby
: Small intestinal muscularis externa macrophages have been associated with interstitial cells of Cajal (ICC). They have been proposed to play various roles in motility disorders and to take part in a microbiota-driven regulation of gastrointestinal motility. Our objective was to understand the reaction of resident macrophages of the musculature to a pro-inflammatory stimulator, lipopolysaccharide (LPS). Mice were injected with LPS or saline and sacrificed after 6 hours. Whole mounts were stained with antibodies toward CD169, ionized calcium-binding adaptor molecule 1 (iba1) (microglial/macrophage marker) and heme oxygenase-1 (HO-1)...
November 16, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27863117/unique-turbinal-morphology-in-horseshoe-bats-chiroptera-rhinolophidae
#20
Abigail A Curtis, Nancy B Simmons
The mammalian nasal fossa contains a set of delicate and often structurally complex bones called turbinals. Turbinals and associated mucosae function in regulating respiratory heat and water loss, increasing surface area for olfactory tissue, and directing airflow within the nasal fossa. We used high-resolution micro-CT scanning to investigate a unique maxilloturbinal morphology in 37 species from the bat family Rhinolophidae, which we compared with those of families Hipposideridae, Megadermatidae, and Pteropodidae...
November 14, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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