lobule meaning: definition, etymology and quotations

lobule

noun

UK /ˈlɒb.juːl/ · US /ˈlɑb.jul/

Etymology From lobe + -ule (diminutive suffix).

› Diminutive of lobe:

Anatomy, Medicine, Sciences A small lobe; a subdivision of a lobe.

Biology, Botany, Natural sciences In liverworts with bilobed leaves, the smaller of the two lobes, sometimes modified to form a sac.

The Jubulaceae have a leaf whose lobule, usually transformed into a water-sac, is normally very narrowly attached to the stem and to the dorsal lobe; indeed some Frullania taxa reproduce vegetatively by dropping the dorsal lobes, but not the lobules, and Neohattoria has caducous lobules but persistent lobes.1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 4:

Biology, Botany, Natural sciences A tongue-like structure opposite the scutellum in grasses; the epiblast.

Derived terms: lobular, lobulation, lobulette, lobuloalveolar, lobulocentric, lobulogenesis, microlobule, pseudolobule