What is another word for medullae?
Pronunciation: [mˈɛdəlˌiː] (IPA) 
Medullae is a term used in biology to describe the innermost part of an organ or structure. There are several synonyms for this word. For example, in botany, the medullae of plants are also commonly referred to as pith. Additionally, in human anatomy, the medullae oblongata is often referred to simply as the medulla. The term core can also be used as a synonym for medullae, especially when referring to the innermost part of a fruit or vegetable. Similarly, the term marrow can be used as a synonym when referring to the medullae of bones. Regardless of the synonym used, medullae are an important structural component of many different organisms.
