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https://www.readbyqxmd.com/read/29152773/categorization-of-the-pelvic-limb-standing-posture-in-nine-breeds-of-dogs
#1
S S Sabanci, M K Ocal
The objective of the study was to categorize objectively nine breeds of healthy dogs according to pelvic limb standing posture. A total of 135 dogs from different breeds were used and the standing angles of the hip, stifle, and tarsal joints, together with the percentages of the greater trochanter, patella and tuber calcanei heights, with respect to crista iliaca height, were used as discriminant variables for the categorization of pelvic limb posture. All included breeds were allocated to three groups of the standing pelvic limb posture...
November 19, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29146768/adhesive-performance-of-tropical-arboreal-ants-varies-with-substrate-temperature
#2
Alyssa Y Stark, Katherine Arstingstall, Stephen P Yanoviak
The surface temperature of tree branches in the tropical rainforest canopy can reach up to 55°C. Ants and other small cursorial organisms must maintain adequate attachment in this extreme microenvironment to forage effectively and prevent falling. Ant adhesion depends on liquid secretions that should become less viscous at high temperatures, causing ants to slip. However, tropical arboreal ants have high thermal tolerance and actively forage on hot canopy surfaces, suggesting that these ants can maintain adhesion on hot substrates...
November 16, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29142016/multi-scale-tarsal-adhesion-kinematics-of-freely-walking-dock-beetles
#3
Sophie Marie Gernay, Simon Labousse, Pierre Lambert, Philippe Compère, Tristan Gilet
In this experimental study, living dock beetles are observed during their free upside-down walk on a smooth horizontal substrate. Their weight is balanced by the adhesion of hairy structures present on their tarsomeres. The motions involved in the attachment and detachment of these structures were characterized by simultaneously imaging the beetle from the side at the body scale, and from the top at the scale of a single tarsal chain. The observed multi-scale three-dimensional kinematics of the tarsi is qualitatively described, then quantified by image processing and physically modelled...
November 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29139158/macro-anatomical-and-morphometric-studies-of-the-hindlimb-of-grasscutter-thryonomys-swinderianus-temminck-1827
#4
K T Onwuama, S A Ojo, J O Hambolu, T Dzenda, F O Zakari, S O Salami
The hindlimb of the grasscutter (Thryonomys swinderianus, Temminck-1827) was studied using 12 adult (≥6 months) rats of either sex with the mean weights of 1.42 ± 0.20 kg and 0.82 ± 0.13 kg for buck (n = 6) and doe (n = 6), respectively (p < .05). Characteristics of the bones were studied by gross observation after their preparation. Measurements of different segments of the hindlimb were also taken, giving a total average length of 31.80 cm. Correlation coefficients between length of bone and weight of rats were positive (p < ...
November 14, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29130734/the-rare-lateral-cuneo-cuboid-coalition-a-case-report
#5
Kevin Renner, Eric So, Amanda Quisno, Daniel Logan
BACKGROUND: Tarsal coalitions typically occur at the talocalcaneal or calcaneonavicular joints. Common findings are pain, limited range of motion, and a pes planus deformity. METHODS: The focus of this case report will include the presentation, imaging, treatment, and outcomes for a 21-year-old female diagnosed with a rare lateral cuneo-cuboid coalition with chronic pain. Clinical and radiographic examinations, typically utilized to diagnose the common coalition, were unremarkable...
November 13, 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29130651/further-delineation-of-the-gdf6-related-multiple-synostoses-syndrome
#6
Paulien A Terhal, Nienke E Verbeek, Nine Knoers, Rutger J A J Nievelstein, Ans van den Ouweland, Ralph J Sakkers, Lucienne Speleman, Gijs van Haaften
A mutation in GDF6 was recently found to underlie a multiple synostoses syndrome. In this report, we describe the second family with GDF6-related multiple synostoses syndrome (SYNS4), caused by a novel c.1287C>A/p.Ser429Arg mutation in GDF6. In addition to synostoses of carpal and/or tarsal bones, at least 6 of 10 affected patients in this family have been diagnosed with mild to moderate hearing loss. In four of them otosclerosis was said to be present, one patient had hearing loss due to severe stapes fixation at the age of 6 years, providing evidence that hearing loss in the GDF6-related multiple synostoses syndrome can be present in childhood...
November 12, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29120020/identification-of-a-mafb-mutation-in-a-patient-with-multicentric-carpotarsal-osteolysis
#7
Lei Zhuang, Sabine Adler, Daniel Aeberli, Peter M Villiger, Beat Trueb
Multicentric carpotarsal osteolysis (MCTO) is an autosomal dominant disease of the skeleton characterised by progressive destruction of carpal and tarsal bones. Recently, it has been demonstrated that this disease is caused by heterozygous mutations in the gene for the transcriptional repressor MAFB. We analysed genomic DNA and RNA from leucocytes of a female patient diagnosed with MCTO. We identified the mutation c.161C>T in the genomic sequence and in the expressed messenger RNA for MAFB. This is the second report of the c...
November 9, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29118625/a-new-species-of-scinax-from-the-purus-madeira-interfluve-brazilian-amazonia-anura-hylidae
#8
Miquéias Ferrão, Jiří Moravec, Rafael de Fraga, Alexandre Pinheiro de Almeida, Igor Luis Kaefer, Albertina Pimentel Lima
A new tree frog species of the genus Scinax from the interfluve between the Purus and Madeira rivers, Brazilian Amazonia, is described and illustrated. The new species is diagnosed by medium body size, snout truncate in dorsal view, ulnar and tarsal tubercles absent, nuptial pads poorly developed, skin on dorsum shagreen, dorsum light brown with dark brown spots and markings, white groin with black spots, anterior and posterior surfaces of thighs black, and iris bright orange. The advertisement call consists of a single short note, with 16-18 pulses and dominant frequency at 1572-1594 Hz...
2017: ZooKeys
https://www.readbyqxmd.com/read/29116324/displaced-intra-articular-calcaneal-fractures-classification-and-treatment
#9
Ning Wei, Yabin Zhou, Wenli Chang, Yingze Zhang, Wei Chen
The calcaneus is the most commonly fractured tarsal bone. Displaced intraarticular calcaneal fractures are usually caused by a fall from height with one or both heels directly hitting the ground. Displaced intra-articular calcaneal fractures are complex and highly disabling injuries. There is ongoing debate regarding the optimal treatment for each type of displaced intra-articular calcaneal fracture. This review aims to summarize the classification of, various treatment options for, prevention of perioperative complications in, and management algorithms for displaced intra-articular calcaneal fractures...
November 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/29101442/modifications-of-z-epicanthoplasty-combined-with-double-eyelid-blepharoplasty-in-asians
#10
Shun Wu, Ke Guo, Peng Xiao, Jiaming Sun
BACKGROUND: Epicanthoplasty combined with double-eyelid blepharoplasty is one of the most popular cosmetic procedures in Asians. However, the postoperative medial canthal scar is a concerned issue. Here the authors adopted some modifications of Z-epicanthoplasty to minimize the canthal scar. METHODS: Modifications of Z-epicanthoplasty were mainly in three aspects. First, supratarsal creases were created before epicanthoplasty to prevent the impact of tension variation on epicanthal incisions, caused by elevating and tightening of the upper eyelid skin...
November 3, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29081868/comparison-of-polypropylene-sling-with-combined-transconjunctival-retractor-plication-and-lateral-tarsal-strip-for-correction-of-involutional-lower-eye-lid-ectropion
#11
Ruchi Goel, Abhilasha Sanoria, Sushil Kumar, Deepanjali Arya, Smriti Nagpal, Neha Rathie
PURPOSE: The study aims to compare the effectiveness and complications of transconjunctival retractor plication (TRP) with lateral tarsal strip (LTS) and the polypropylene sling (PS) surgery for treatment of involutional lower lid ectropion. METHOD: A prospective randomised pilot study was conducted on 30 eyes of 30 patients suffering from epiphora having horizontal eyelid laxity >6mm and age >50 years at a tertiary care centre from December 2014 to March 2015...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/29079243/lateral-ligament-reconstruction-for-ball-and-socket-ankle-accompanying-lateral-ankle-instability-a-case-report-and-literature%C3%A2-review
#12
Onur Kocadal, Arzu Ozsoy, Hakan Ozsoy
The ball-and-socket ankle joint is a rare deformity characterized by the loss of concavity in the trochlear surface of the talus with rounding of the articular surfaces of the distal fibula and tibia. Frequently, tarsal coalitions, fibular hypoplasia, and shortening of the limb accompany this deformity. To date, no data have been reported on surgical treatment of lateral ankle joint instability and peroneal tendon dislocation concomitant with a ball-and-socket ankle joint. In the present study, we report the case of a 43-year-old male patient with right lateral ankle joint instability and peroneal tendon dislocation in a ball-and-socket ankle joint, with accompanying tarsal coalition...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29071964/-effect-of-moxibustion-on-serum-il-17-and-tnf-%C3%AE-levels-in-collagen-induced-arthritis-rats
#13
Yuan Yin, Tian-Wei Chen, Rui Zhang, Wen-Zhu Ma
OBJECTIVE: To observe the influence of moxibustion on serum interleukin -17 (IL-17) and tumor necrosis factor alpha (TNF-α) levels in collagen-induced arthritis (CIA) rats, so as to study its mechanism underlying improvement of rheumatoid arthritis. METHODS: A total of 40 male Wistar rats were used in the present study, and 8 rats were randomly selected as a normal control group. The other 32 rats were modeled. The primary immunity emulsion was made with mixed Type Ⅱ chicken collagen and complete Freund's adjuvant, and 0...
April 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29058522/a-new-surgical-technique-for-congenital-distichiasis
#14
Alicia Galindo-Ferreiro, Hind Alkatan, Azza Maktabi, Alberto Gálvez-Ruiz, Silvana Schellini
PURPOSE: To describe a new technique to treat congenital distichiasis. METHODS: Case series of three distichiatic patients undergoing a novel surgical technique combining splitting of the lid margin with the distichiatic lashes, marginal tarsectomy in the affected area, and tarsoconjunctival graft obtained from the upper region of the tarsus. The graft was sutured at the exposed region of the marginal tarsectomy. RESULTS: Good cosmesis was obtained in all cases and the lids margins healed completely with good surgical outcome and no lashes contacted the cornea postoperatively...
October 23, 2017: Orbit
https://www.readbyqxmd.com/read/29054311/transcutaneous-aponeurotic-repair-with-small-detachment-of-the-levator-aponeurosis-for-aponeurotic-blepharoptosis-in-japanese-patients
#15
Hiromichi Matsuda, Takuya Shiba, Yasuhiro Takahashi, Hiroshi Tsuneoka
PURPOSE: To examine the surgical outcomes of a modified transcutaneous aponeurotic repair for aponeurotic blepharoptosis in a Japanese population. METHODS: This retrospective study included 75 eyelids of 45 patients with aponeurotic blepharoptosis who had undergone a modified transcutaneous aponeurotic repair. This procedure included a long skin incision for securing a wide surgical field, creation of a double eyelid crease, and a small extent of detachment of the levator aponeurosis from the tarsal surface...
September 28, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29054169/phalangeal-morphology-of-shanghuang-fossil-primates
#16
Daniel L Gebo, Marian Dagosto, Xijun Ni, K Christopher Beard
Here, we describe hundreds of isolated phalanges attributed to middle Eocene fossil primates from the Shanghuang fissure-fillings from southern Jiangsu Province, China. Extending knowledge based on previous descriptions of postcranial material from Shanghuang, this sample of primate finger and toe bones includes proximal phalanges, middle phalanges, and over three hundred nail-bearing distal phalanges. Most of the isolated proximal and middle phalanges fall within the range of small-bodied individuals, suggesting an allocation to the smaller haplorhine primates identified at Shanghuang, including eosimiids...
December 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/29053043/entropion-and-ectropion-repair-a-snapshot-of-surgical-practice-in-the-united-kingdom
#17
Katherine Anne Mcveigh, Rhys Harrison, Rebecca Ford
We aim to provide a snapshot of the current surgical practice for correction of entropion and ectropion, the two most common oculoplastic procedures carried out in the UK, by surveying 135 consultant oculoplastic surgeons via the tool Survey Monkey. Forty-seven (35%) consultants responded. For entropion, 44% of surgeons opted for lateral tarsal strip (LTS) + everting sutures (ES). Other first-line choices included LTS + transcutaneous retractor plication (21%), Quickert's procedure (14%), ES (7%), and Wies procedure (5%)...
October 20, 2017: Orbit
https://www.readbyqxmd.com/read/29044744/ontogenetic-variation-in-the-sensory-structures-on-the-pedipalps-of-cosmetid-harvestmen-arachnida-opiliones-laniatores
#18
Victor R Townsend, Bruce P Enzmann
In arachnids, pedipalps are highly variable appendages that may be used in feeding, courtship, defense, and agonistic encounters. In cosmetid harvestmen, adults have pedipalps that feature flattened femora, spoon-shaped tibiae, and robust tarsal claws. In contrast, the pedipalps of nymphs are elongate with cylindrical podomeres and are adorned with delicate pretarsi. In this study, we used scanning electron microscopy to examine the distribution of cuticular structures (e.g., sensilla chaetica, pores) on the elements of the pedipalps of adults and nymphs of three species of cosmetid harvestmen...
October 17, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/29043094/mid-foot-retinaculum-an-unrecognized-entity
#19
Swathi, Geetha Gangadaran Nellithala, Sunita Arvind Athavale
Retinacula are thickenings of deep fascia in the region of joints that hold down the tendons preventing them from bowing out of position. In the region of ankle, number of such retinacula have been described. Retinacula like superior and inferior extensor retinacula have been described which hold down the tendons of leg muscles passing to the foot beneath them. As the extensor tendons of the leg have more distal attachment to the toes, the present study was conducted to ascertain the presence of any additional retinaculum in the mid-foot region, which would tie down the tendons for their effective action at the distal joints...
September 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/29040033/lower-eyelid-entropion-repair-with-retractor-mobilization-and-insertion-onto-the-anterior-surface-of-the-tarsal-plate
#20
Dnyaneshwar D Athavale, Brett A O'donnell
PURPOSE: To evaluate a modified surgical technique for the correction of lower eyelid involutional entropion in terms of recurrence rate and relief of symptoms. METHOD: A prospective series of 67 consecutive eyelids in 55 patients who underwent lower eyelid entropion repair using a modified surgical approach not previously published in the literature to the authors' knowledge. The surgical technique, via a skin crease incision, involves disinsertion of the lower eyelid retractors from the tarsus and conjunctiva and suturing the retractors onto the anterior surface of the tarsal plate...
October 17, 2017: Orbit
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