• Columella
  Columella
  Lucius Junius Moderatus Columella is the most important writer on agriculture of the Roman empire. Little is known of his life. He was probably born in Gades , possibly of Roman parents. After a career in the army , he took up farming...
  
   (4 - ca. 70), a Roman writer

Biology

• Columella (gastropod), an anatomical feature of a coiled snail shell or gastropod shell
• Columella (genus)
  Columella (genus)
  Columella is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Vertiginidae, the vertigo snails.-Species:Species within the genus Columella include:* Columella aspera Waldén, 1966...
  
  , a genus of land gastropods, in the family Vertiginidae
• In mycology, the central sterile portion of the sporangium
  Sporangium
  A sporangium is an enclosure in which spores are formed. It can be composed of a single cell or can be multicellular. All plants, fungi, and many other lineages form sporangia at some point in their life cycle...
  
   in various fungi
• In human anatomy, Columella nasi, the fleshy external end of the nasal septum
  Nasal septum
  The nasal septum separates the left and right airways in the nose, dividing the two nostrils.It is depressed by the Depressor septi nasi muscle.-Composition:The fleshy external end of the nasal septum is sometimes also called columella....
  
  
• Columella, a part of the auditory system of amphibian
  Amphibian
  Amphibians , are a class of vertebrate animals including animals such as toads, frogs, caecilians, and salamanders. They are characterized as non-amniote ectothermic tetrapods...
  
  s, reptile
  Reptile
  Reptiles are members of a class of air-breathing, ectothermic vertebrates which are characterized by laying shelled eggs , and having skin covered in scales and/or scutes. They are tetrapods, either having four limbs or being descended from four-limbed ancestors...
  
  s and bird
  Bird
  Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...
  
  s, corresponding to the stapes in mammals.
• Columella (root), in plant anatomy, it is distinct tissue layer in the very tip of root
  Root
  In vascular plants, the root is the organ of a plant that typically lies below the surface of the soil. This is not always the case, however, since a root can also be aerial or aerating . Furthermore, a stem normally occurring below ground is not exceptional either...
  
   tip. It is column of cells bellow quiescent centre (QC = stem cell
  Stem cell
  This article is about the cell type. For the medical therapy, see Stem Cell TreatmentsStem cells are biological cells found in all multicellular organisms, that can divide and differentiate into diverse specialized cell types and can self-renew to produce more stem cells...
  
  s in the growing tip of the root).

In culture

• Columella; or, The Distressed Anchoret, a 1779 novel by Richard Graves
  Richard Graves
  Richard Graves was an English minister, poet, and novelist.Born at Mickleton Manor, Mickleton, Gloucestershire, to Richard Graves, gentleman, and his wife, Elizabeth, Graves was a student at Abingdon School and Pembroke College, Oxford...
  
  
• Columella (wine), a cult wine label by South African producer The Sadie Family