Category: E

An epidemiology field training program for postdoctoral fellows at the Centers for Disease Control and Prevention. It provides epidemiological assistance in the investigation and prevention of public health problems and a source of trained field epidemiologists for federal, state, and local health departments around the U.S.  

A membrane surrounding a temporary colony of some ameboid protozoa.  

A surgically created opening above the symphysis pubis into the bladder.  

Pain in the elbow joint in the region of the epicondyles.  

A congenital malformation in which the head of a parasitic twin is attached to the summit or vertex of the skull of the larger twin.  

Located dorsad to the notochord  

A benign whitish/pink tumor of the eye. It is a hallmark of Goldenhar sequence, a variant of hemifacial microsomia.  

Lying on the bulb of any structure; more specifically, located on the eyeball.  

An androgenic hormone normally present in the urine.  

An embryonic ependymal cell, or ependymocyte.