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The direction of the microfibrils is called microfibril angle (MFA). In the secondary cell wall of fibres of trees a low microfibril angle is found in the S2-layer, while S1 and S3-layers show a higher MFA . However, the MFA can also change depending on the loads on the tissue. It has been shown that in reaction wood the MFA in S2-layer can ...
The horse has an oblique angle of shoulder (measured from the top of the withers to the point of shoulder) with the withers set well behind the elbow. Often accompanies a deep chest and high withers. A sloping shoulder is common. It mostly affects jumping, racing, cutting, reining, polo, eventing, and dressage.
The levade is a position wherein the horse raises up both front legs, standing at a 30° angle entirely on its hind legs in a controlled form that requires a great deal of hindquarter strength. A less difficult but related movement is the pesade, where the horse rises up to a 45° angle.
There is also a reported link between the age of the wood and the spiral angle of the fibrils with respect to the longitudinal direction. Earlywood is said to have a consistent 4.6 ± 0.6° rest angle, whereas latewood is said to have a transition region from 4.6° to 19.8 ± 0.7°. [18]
A microfibril is a very fine fibril, or fiber-like strand, consisting of glycoproteins and cellulose. It is usually, but not always, ...
It is a disorder akin to Ehlers–Danlos syndrome being researched in multiple horse breeds. Originally thought to be a condition of overwork and old age, the disease is now recognized as hereditary and has been seen in horses of all ages, including foals. The latest research (2010) has led to the proposed renaming of the disease from DSLD to ...
As the year comes to a close, experts from the Alzheimer's Association reflect on some of the hopeful advances in diagnosis, treatment and risk management that have been made in 2024.
The horse has a "visual streak", or an area within the retina, linear in shape, with a high concentration of ganglion cells (up to 6100 cells/mm 2 in the visual streak compared to the 150 and 200 cells/mm 2 in the peripheral area). [12] Horses have better acuity when the objects they are looking at fall in this region.