0 a Latin word meaning "of, on, or from the outside", used in medical names and descriptions -- （拉丁语）外，外表，从外部（用于医学术语中）
Marked pustular otitis externa is common, with the pinnae frequently being thickened and edematous.
The first layer is the lamina rara externa, adjacent to the podocyte processes.
It is also called the tunica adventitia or the tunica externa.
It lies between the tunica intima on the inside and the tunica externa on the outside.
These neurons provide motor inputs to both layers of the muscularis externa, and provide both parasympathetic and sympathetic input.
The thick outermost layer of a vein is made of connective tissue, called tunica adventitia or tunica externa.
The host soon moults and a new young externa, budded from the interna, emerges from the host's body.
They surround the follicle's outermost layer, the basal lamina, and undergo cytodifferentiation to become the theca externa and theca interna.
