Results 121 to 130 of about 75,596 (297)

Solitary Langerhans cell histiocytosis of the sternum in a 21‐year‐old woman

open access: yesClinical Case Reports
Key Clinical Message Children are more likely to develop Langerhans cell histiocytosis (LCH), a rare disorder with an unknown cause. LCH often invades skeletal systems, while it has occasionally been seen in the sternum or ribs.
Neda Soleimani   +4 more
doaj   +1 more source

A Chiral Saddle‐Shaped Nanographene With Two Heptagon‐Embedded [4]Helicenes

open access: yesAngewandte Chemie International Edition, EarlyView.
We present a novel synthetic strategy toward a chiral saddle‐shaped nanographene (cSNG) via a two‐step oxidation of a prochiral anthracene precursor. The Scholl‐type oxidation first yields a key intermediate with sp3‐defect heptagons, and subsequent oxidative dehydrogenation affords fully conjugated cSNG.
Felix Trautner   +11 more
wiley   +1 more source

Solitary plasmacytoma of the sternum

open access: yes, 2013
A 40 year old male patient with solitary plasmacytoma of the sternum diagnosed by fine needle aspiration biopsy is reported. There was no evidence of multiple myeloma in this case.
T Manandhar   +3 more
core   +1 more source

Assessing Sternal Dimensions for Sex Classification: Insights from a Greek Computed Tomography-Based Study

open access: yesDiagnostics
Background/Objectives: This study aimed to assess the potential of sternal morphometric parameters derived from multidetector computed tomography (MDCT) for sex estimation in a contemporary Greek population.
Konstantina Vatzia   +11 more
doaj   +1 more source

Experimental Study on the Enhancement of Heat Transfer Performance in Sintered‐Core Heat Pipes Using CuO Nanofluid

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study presents the design and construction of an experimental system for evaluating the thermal performance of heat pipes, using sintered‐wick heat pipes charged with CuO nanofluids. The device used in this study is a sintered‐wick heat pipe, in which the liquid return is driven by capillary forces within the porous wick structure.
Dawei Yan   +7 more
wiley   +1 more source

Quantitative assessment of masticatory muscles based on skull muscle attachment areas in Carnivora

open access: yesThe Anatomical Record, EarlyView.
Abstract Masticatory muscles are composed of the temporalis, masseter, and pterygoid muscles in mammals. Each muscle has a different origin on the skull and insertion on the mandible; thus, all masticatory muscles contract in different directions. Collecting in vivo data and directly measuring the masticatory muscles anatomically in various Carnivora ...
Kai Ito   +4 more
wiley   +1 more source

Revisiting paravertebral muscles in European rabbits (Oryctolagus cuniculus) and European brown hares (Lepus europaeus) (Leporidae; Lagomorpha)

open access: yesThe Anatomical Record, EarlyView.
Abstract Domesticated European rabbits (Oryctolagus cuniculus) have long been chosen as laboratory model organisms. Despite this, there has been no definitive study of the vertebral musculature of wild rabbits. Relevant descriptions of well‐studied veterinary model mammals (such as dogs) are generally applicable, but not appropriate for a species ...
Nuttakorn Taewcharoen   +3 more
wiley   +1 more source

The Gene Tbx5 Links Development, Evolution and Adaptation of the Sternum in Terrestrial Vertebrates [PDF]

open access: yes, 2013
The transition from fins to limbs during the colonisation of land was a key innovation in vertebrate evolution. Changes in the limb and shoulder girdle during this event have been investigated extensively, but little attention has been given to the ...
Bickley, SRB
core  

A Case of Atypically Located Hydatid Cyst Eroding the Sternum

open access: yes, 2014
Hydatid disease caused by echinococci is seen endemically in Turkey. Its location in tissues outside of the liver and lung is rare. Most of the mass lesions involving the sternum are malignant. We present a case of hydatid cyst located in the sternum and
Tezcan, Mehmet Akif   +5 more
core   +1 more source

Osteological correlates of the respiratory and vascular systems in the neural canals of Mesozoic ornithurines Ichthyornis and Janavis

open access: yesThe Anatomical Record, EarlyView.
Abstract In birds, the neural canal houses a variety of anatomical structures including the spinal cord, meninges, spinal vasculature, and respiratory diverticula. Among these, paramedullary diverticula and the extradural dorsal spinal vein may leave behind osteological correlates in the form of pneumatic foramina and fossae, and a bilobed geometry of ...
Jessie Atterholt   +5 more
wiley   +1 more source

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