What does lobular mean?
Lobular is an adjective meaning divided into, resembling, or relating to small rounded structures called lobules. Its most familiar use is in medical terminology, especially in “lobular carcinoma,” a form of breast cancer that arises in the milk-producing lobules and can sometimes be difficult to detect on routine mammography. The word is also used in anatomy and biology for structures made up of lobes or lobule-like divisions. In general writing, it is more technical and specialized than “lobed” or “lobate.” Understanding the distinction between lobular and lobar is useful in medical contexts: lobar refers to an entire lobe, while lobular refers to its smaller subdivisions. The word derives from the Latin lobulus, a diminutive of lobus, meaning “lobe.”
adjectiveConsisting of, resembling, or divided into lobes or lobules. In medicine, the term is especially used to describe a cancer or other condition involving the lobules of an organ, particularly the breast.
- Consisting of or divided into lobules.
- Resembling a lobule or having a rounded, lobed structure.
- Relating to or affecting the lobules of an organ, especially the breast.
"The biopsy confirmed a lobular carcinoma of the breast."
"The scan showed a small lobular mass in the upper part of the kidney."
"Invasive lobular carcinoma can be difficult to detect on routine mammography."
Lobular is the medical term for the small, rounded subdivisions of organs—and it gives its name to a distinctive form of breast cancer.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does lobular come from?
The word “lobular” comes from Latin lobulus, a diminutive of lobus, meaning “lobe.” It entered English through the language of anatomy and medicine, where lobule refers to a small subdivision of an organ. Related English forms include “lobe,” “lobate,” and “lobar,” all reflecting the same Latin root.
How lobular is actually used
This is primarily a technical term used in medicine, anatomy, and biology. In clinical contexts, it is often more specific than the general term “lobular,” referring particularly to an organ's lobules.
Easily confused with lobular
Lobar describes something affecting or involving an entire lobe, whereas lobular specifically refers to the smaller subdivisions called lobules.
Lobate means divided into or bearing lobes, while lobular more specifically suggests the presence or character of small lobes or lobules.