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The enthesis (plural entheses) is the connective tissue which attaches tendons or ligaments to a bone. [1] There are two types of entheses: fibrous entheses and fibrocartilaginous entheses. [2] [3] In a fibrous enthesis, the collagenous tendon or ligament directly attaches to the bone.
Meaning SI unit of measure alpha: alpha particle: angular acceleration: radian per second squared (rad/s 2) fine-structure constant: unitless beta: velocity in terms of the speed of light c: unitless beta particle: gamma: Lorentz factor: unitless photon: gamma ray: shear strain: radian
Diagram of a Corinthian column showing a visible entasis bulge at "D". In architecture, entasis is the application of a convex curve to a surface for aesthetic purposes, or increasing strength.
In particle physics, annihilation is the process that occurs when a subatomic particle collides with its respective antiparticle to produce other particles, such as an electron colliding with a positron to produce two photons. [1]
Physics is the scientific study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. [1] Physics is one of the most fundamental scientific disciplines. [2] [3] [4] A scientist who specializes in the field of physics is called a physicist.
Americans are in the throes of flu season in large swaths of the country.. Data − from traces in wastewater to hospitalizations − show higher levels of flu virus circulating in most of the U.S ...
In physics, particularly in quantum field theory, configurations of a physical system that satisfy classical equations of motion are called on the mass shell (on shell); while those that do not are called off the mass shell (off shell).
A fast-spreading wildfire that erupted this week northwest of Los Angeles roared from nothing to nearly 10,000 acres − in a matter of hours.