Sentences with word «trabecular»
The word "trabecular" refers to something that is made up of small, interconnected beams or strands, similar to the structure of a spider's web. It is often used in the context of describing the spongy or honeycomb-like structure found in bones and tissues. Full definition
Some (8 per cent) of the treated women even experienced a significant increase in trabecular bone density.
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Still other researchers are working with RPB grants to promote optic nerve regeneration, to study changes in trabecular meshwork gene expression about a decade before risk of the disease starts going up, and to determine if abnormal blood flow is an important factor in causing glaucomatous optic nerve damage.
But a series of papers published in early 2015 have solidified an emerging paradigm shift in paleoanthropology — Australopithecus africanus and other Pleistocene hominins, traditionally considered not to have made stone tools, have a human - like trabecular bone pattern in their hand bones consistent with stone tool knapping and use.
On March 12, 2015, the Food and Drug Administration (FDA) issued a Class II Recall for the Zimmer Persona Trabecular Metal Tibial Plate knee implant.
Zimmer introduced the Persona Trabecular Metal Tibial Plate knee replacement system or the Persona TM Tibia knee implant in December 2012.
Additionally, the diabetic mice had considerably lower spongy bone mass, known as trabecular bone, making it easy to fracture.
Mineralized and non-mineralized coatings were found extensively in the porous trabecular bone of a variety of dinosaur and mammal species across time.
Gripping a tool distributes forces asymmetrically along the base of the thumb and the side of the knucklebones, and modern hands show a corresponding pattern of trabecular density.
Recently published findings suggest that WBV increases trabecular and cortical bone mass in db / db mice (44), but these effects differ from the modest skeletal responses observed after exercise and WBV in the current study.
Zimmer Biomet Announces FDA Clearance and First Surgical Case of the Persona ® Trabecular Metal ™ Tibia
The researchers found higher Trabecular Bone Scores in current MHT users compared to past users or women who had never used MHT.
One innovative aspect of the study was the measurement of bone texture of the lumbar spine using trabecular bone score (TBS)- the first use of this technique in adolescent athletes.
Discussion: Overall, quantified trabecular parameters represent overall differences in bone strength between the two species, however, DA may be directly related to joint loading.
An iron oxide framboid cluster in dinosaur trabecular bone found commonly throughout time and taxa.
The authors say that it's possible that the new trabecular meshwork cells generated from the stem cell treatment could eventually succumb to the same mechanisms that caused the fluid buildup in the first place, but further research is needed in that area.
«We believe that replacement of damaged or lost trabecular meshwork cells with healthy cells can lead to functional restoration following transplantation into glaucoma eyes,» said Keuhn, according to the press release.
Project: Nanoengineered In Vitro Trabecular Meshwork ™ Model for Systematic Investigation of Aqueous Humor Outflow Resistance
Our lab has recently shown that endogenous TGF - Î ² 2 expression can be markedly and significantly attenuated in human trabecular meshwork cells and porcine anterior segments using the compound XJB -5-131, a novel antioxidant that targets a cell's mitochondria.
There are discrete differentiation and maintenance programs for cardiomyocyte subpopulations within compact and trabecular myocardium (de la Pompa et al., 2012).
Son, JL., Soto, I., Oglesby, E., Pease, ME., Quigley, HA., Marsh - Armstrong, N. (2009) Monitoring Glaucoma Progression in the Translimbal Trabecular Laser Photocoagulation Rat Model Using Molecular Markers (Investigative Ophthalmology & Visual Science, 50: ARVO E-Abstract 2764).
Representative 3D volumes illustrating trabecular microarchitecture in the distal femur (left) and caudal vertebra (right) of Sham - operated and Ovarectomized (OVX) mice, 9 weeks after surgery.
Accelerated rates of bone growth and bone remodeling act in concert to produce a pattern of epiphyseal spongiosa that is composed of fine trabecular systems that are spaced relatively far apart and that are ultimately less strong per unit area than in small breeds of dogs.
Natural materials, such as trabecular bone and the toes of geckoes, have evolved with multiple levels 3 - D architectures spanning from the nanoscale to the macroscale.
The research, titled «Human - like hand use in Australopithecus africanus, shows that Australopithecus africanus,» a 3 - 2 million - year - old species from South Africa traditionally considered not to have engaged in habitual tool manufacture, has a human - like trabecular bone pattern in the bones of the thumb and palm (the metacarpals) consistent with forceful opposition of the thumb and fingers typically adopted during tool use.
Mineralized and non-mineralized coatings were found extensively in the porous trabecular bone of a variety of dinosaur and mammal species across time.
Zimmer Biomet announced the completion of the first surgical case utilizing its Persona Trabecular Metal (TM) Tibia.
TIGR is made by the eye's trabecular meshwork cells, which help regulate eye pressure by controlling the drainage of fluid from the eye as new fluid is produced.
Figure 8A shows the concave surface of a vascular canal in trabecular bone.
When myocilin goes wrong, or «misfolds,» it makes fibrils that damage tissue called the trabecular meshwork that normally allows the fluid inside the eye to drain and relieve interior pressure.
«I think if we knew what this protein was doing in the trabecular meshwork, we would understand much more about glaucoma in general,» Lieberman said.
«When a myocilin propellor misfolds, it unravels and forms amyloid fibrils (stringy abnormal proteins) that kill cells that maintain the trabecular network,» Lieberman said.
They already are exploring what these miRNA do in the trabecular meshwork that manages the continuous drainage of fluid made by the ciliary body to nourish and oxygenate a portion of the eye that has no direct blood supply.
The small increase in the high - dose group did not translate into beneficial effects because authors found no difference between the three study groups for changes in spine, average total - hip, average femoral neck or total - body bone mineral density, trabecular bone score, muscle mass or sit - to - stand tests.
The latticelike material in these photomicrographs is trabecular bone — low - density bone that is especially vulnerable to osteoporosis.
Researchers determined distal radius cortical and trabecular bone microstructure by HR - pQCT, together with areal BMD (aBMD) by DXA.
Based on the scan results, the women were assigned a Trabecular Bone Score assessing the quality of their underlying bone structure.
When the team scanned hand bones from four members of A. africanus that lived in South Africa between 2 million and 3 million years ago, they found that the pattern of the trabecular bone was asymmetrical, as in modern humans and Neandertals that use tools frequently (as they also show in their study).
By contrast, when chimps grip a branch, the forces align across the thumb more evenly, leaving a symmetrical pattern in the trabecular bone.