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Look up retrograde in Wiktionary, the free dictionary. Retrograde may refer to: Retrograde (2004 film), a film by Christopher Kulikowski Retrograde (2022...

Retrograde ejaculation occurs when semen which would be ejaculated via the urethra is redirected to the urinary bladder. Normally, the sphincter of the...

Retrograde motion in astronomy is, in general, orbital or rotational motion of an object in the direction opposite the rotation of its primary, that is...

Retrogradation is the landward change in position of the front of a river delta with time. This occurs when the mass balance of sediment into the delta...

In neurology, retrograde amnesia (RA) is the inability to access memories or information from before an injury or disease occurred. RA differs from a similar...

Apparent retrograde motion is the apparent motion of a planet in a direction opposite to that of other bodies within its system, as observed from a particular...

Endoscopic retrograde cholangiopancreatography (ERCP) is a technique that combines the use of endoscopy and fluoroscopy to diagnose and treat certain problems...

Retrograde signaling in biology is the process where a signal travels backwards from a target source to its original source. For example, the nucleus of...

said to be its retrograde or cancrizans (/ˈkæŋkrɪˌzænz/ "walking backward", medieval Latin, from cancer "crab"). An exact retrograde includes both the...

In music theory, retrograde inversion is a musical term that literally means "backwards and upside down": "The inverse of the series is sounded in reverse...

retrograde urethrography is a routine radiologic procedure (most typically in males) used to image the integrity of the urethra. Hence a retrograde urethrogram...

Retrograde condensation occurs when gas in a tube is compressed beyond the point of condensation with the effect that the liquid evaporates again. This...

A retrograde appendicectomy is a form of surgery to remove an appendix that is retrocaecal and adherent or otherwise inaccessible, so that the appendicectomy...

contrast solution is introduced through a vein into the circulatory system. Retrograde pyelogram – Any pyelogram in which contrast medium is introduced from...

article uses algebraic notation to describe chess moves. In chess problems, retrograde analysis is a technique employed to determine which moves were played...

correlation is mediated by an immune system overload in the context of retrograde menstruation, in which it fails to detect and kill cells that come outside...

transformations—that is, it may appear in inversion (denoted I), retrograde (R), or retrograde-inversion (RI), in addition to its "original" or prime form...

Mercury in Retrograde is a 2017 American drama film written and directed by Michael Glover Smith, and starring French actress Roxane Mesquida. The film...

Retrograde cricopharyngeus dysfunction (R-CPD) is a medical condition first identified by Dr Robert Bastian of the Bastian Voice Institute in which people...

Retrogradation is a reaction that takes place when the amylose and amylopectin chains in cooked, gelatinized starch realign themselves as the cooked starch...