Final answer:
The combining form gli/o refers to glial cells in the medical field. Combining this with various suffixes creates words like 'galleries' where the 'i' denotes the [ē] sound. Terms like dialogue, monologue, prologue, and travelogue, also stem from the element logue, meaning 'words or speech'.
Step-by-step explanation:
The combining form gli/o is a prefix in the medical field that refers to glial cells or glia which are the supportive cells in the nervous system. Let's take a closer look at how words combine with this stem by marking the letters that spell [ē]. For example:
Analysis - This word is not formed from a combining stem and suffix like the others but is included for reference.
Gallery becomes galleries, where the 'i' marks the [ē] sound.
Now let's explore a common element that contains the 'g' spelling of [g]. The element logue refers to 'words or speech' which helps us understand the following concepts:
Dialogue: Conversation between two people.
Monologue: A long speech by one person.
Prologue: An introduction to a story or play.
Travelogue: A film or book about someone's travel experiences.