form-, -form, forma-, format-

(Latin: shape, structure, figure, outer appearance, composition, to compose; visual appearance; spacial arrangement; to develop or to acquire; to produce)

vasiformation
The process by which a structure assumes the appearance of a vessel or duct.
vermiform
vespiform
villiform (adjective) (not comparable)
In the form of or resembling a minute projection: The teeth of certain fish are considered to be villiform because they are shaped and set so as to resemble the pile of velvet.

Some villiform plants have the form of a villus or of villi, like small hairs.

vitriform
1. Having the form or appearance of glass.
2. Resembling glass; glasslike.
zosteriform (adjective), more zosteriform, most zosteriform
1. Shaped like a girdle or belt: Jane thought that her rash had a zosteriform appearance and so she went to the doctor to have it examined.
2. Resembling herpes zoster: The skin eruption on her arm was very strange and so, after Dr. Smart examined it, he said it was a zosteriform inflammation which needed immediate attention.

Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; icono-; ideo-; imag-; morpho-; -oid; typo-.