- extraction of breech
- 胎臀牵引术
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
breech delivery — n delivery of a fetus by breech presentation called also breech birth * * * delivery of a fetus in breech presentation; see breech extraction, under extraction … Medical dictionary
breech extraction — extraction of the infant from the uterus in breech presentation, i.e., when the buttocks of the fetus are presented in labor … Medical dictionary
breech extraction total — extraction of the entire body of the infant from the uterus in cases of breech presentation … Medical dictionary
breech extraction partial — extraction of the remainder of the infant s body after it has been extruded from the uterus by natural forces as far as the umbilicus … Medical dictionary
extraction — 1. Luxation and removal of a tooth from its alveolus. 2. Partitioning of material (solute) into a solvent. 3. The active portion of a drug; the making of an extract. 4. Surgical removal by pulling out. 5. Removal of the … Medical dictionary
Intact dilation and extraction — (IDX, intact D X, et al.) Background Abortion type Surgical First use 1983 Gestation >16 weeks Usage United States 0.17% ( … Wikipedia
Sa vz. 58 — Infobox Weapon name=Sa vz. 58 caption=Sa vz. 58 P (composite stock, new sling). origin=flag|Czechoslovakia type=Assault rifle is ranged=yes service=1959–present used by=See Users wars= designer=Jiří Čermák design date=1956–1958 manufacturer=Česká … Wikipedia
Pedersen rifle — The Pedersen Rifle, officially known in final form as the T1E3 rifle, was a United States semi automatic rifle designed by John Pedersen that was made in small numbers for testing by the United States Army during the 1920s as part of a program to … Wikipedia
Blowback (firearms) — Blowback is a system of operation for self loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gases created by the ignition of the propellant charge.[1] Several types of blowback… … Wikipedia
Blowback (arms) — Blowback is an operating system for autoloading firearms that utilizes energy created by combustion in the chamber and bore acting directly on the bolt face through the cartridge. Other operating systems are recoil operation, gas operation,… … Wikipedia
M551 Sheridan — Type Light tank[1] … Wikipedia