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The left coronary artery ( LCA, also known as the left main coronary artery, or left main stem coronary artery) is a coronary artery that arises from the aorta above the left cusp of the aortic valve, and supplies blood to the left side of the heart muscle. [citation needed] The left coronary artery typically runs for 10–25 mm, then ...
L.M. Elliott. Laura Malone Elliot, known by her pen name L.M. Elliot, is an American author of more than a dozen young adult novels, including Under a War-Torn Sky (2001), Give Me Liberty (2008), A Troubled Peace (2009), Da Vinci’s Tiger (2015), Suspect Red (2017), Hamilton and Peggy! A Revolutionary Friendship (2018), Walls (2021), and ...
In obstetrics, Leopold maneuvers are a common and systematic way to determine the position of a fetus inside the woman's uterus. They are named after the gynecologist Christian Gerhard Leopold. They are also used to estimate term fetal weight. [1] The maneuvers consist of four distinct actions, each helping to determine the position of the fetus.
Ewen MacDonald. Children. 3. Lucy Maud Montgomery OBE (November 30, 1874 – April 24, 1942), published as L. M. Montgomery, was a Canadian author best known for a collection of novels, essays, short stories, and poetry beginning in 1908 with Anne of Green Gables. She published 20 novels as well as 530 short stories, 500 poems, and 30 essays.
Clinical significance. The external jugular is a large vein used in prehospital medicine for venous access when the Paramedic is unable to find another peripheral vein [4] It is commonly used in cardiac arrest or other situations where the patient is unresponsive due to the pain associated with the procedure.
Lockheed Martin Training and Logistics Solutions ( TLS) (formerly known as Global Training and Logistics (GTS)), which was created from two separate entities combined into one business unit ('Simulation, Training & Support' & ISGS-Readiness and Stability Operations') is a Lockheed Martin line of business headquartered in Orlando, FL.
Transposition, docking, and extraction (often abbreviated to transposition and docking) was a maneuver performed during Apollo lunar landing missions from 1969 to 1972, to withdraw the Apollo Lunar Module (LM) from its adapter housing which secured it to the Saturn V launch vehicle upper stage and protected it from the aerodynamic stresses of ...
A Landing Ship Medium (LSM) was an amphibious assault ship of the United States Navy in World War II. Of a size between that of Landing Ships Tank and Landing Craft Infantry, 558 LSMs were built for the USN between 1944 and 1945. Most of vessels built on this frame were regular transports, while several dozen were converted during construction ...
This is the basis of the Breusch–Pagan test. It is a chi-squared test: the test statistic is distributed nχ 2 with k degrees of freedom. If the test statistic has a p-value below an appropriate threshold (e.g. p < 0.05) then the null hypothesis of homoskedasticity is rejected and heteroskedasticity assumed.
Apollo Lunar Module. The Apollo Lunar Module ( LM / ˈlɛm / ), originally designated the Lunar Excursion Module ( LEM ), was the lunar lander spacecraft that was flown between lunar orbit and the Moon's surface during the United States' Apollo program. It was the first crewed spacecraft to operate exclusively in the airless vacuum of space ...