What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Atrium vs Auricula - What's the difference?

atrium | auricula |

In context|anatomy|lang=en terms the difference between atrium and auricula

is that atrium is (anatomy) any enclosed sexine and nexine layers, widening toward the interior of the grain while auricula is (anatomy) a small conical pouch projecting from either atrium of the heart.

As nouns the difference between atrium and auricula

is that atrium is (architecture) a central room or space in ancient roman homes, open to the sky in the middle; a similar space in other buildings while auricula is (anatomy) the external part of the ear.

atrium

English

(wikipedia atrium)

Noun

(en-noun)
  • (architecture) A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
  • (architecture) A square hall lit by daylight from above, into which rooms open at one or more levels.
  • (anatomy) Any enclosed sexine and nexine layers, widening toward the interior of the grain.
  • * {{quote-book, 1965, Janet Kircher Warter, Palynology of a Lignite of Lower Eocene (Wilcox) Age from Kemper County citation
  • , passage=Nexine 0.5? thick, separating from the sexine about 5? from the pore and forming a deep, well-defined atrium .}}

    Synonyms

    * (room in Roman homes) cavaedium

    Derived terms

    * atrial * atriate English nouns with irregular plurals ----

    auricula

    English

    Noun

    (auriculae)
  • (anatomy) The external part of the ear
  • (anatomy) A small conical pouch projecting from either atrium of the heart
  • (palynology) A pronounced thickening at the corner of a trilete spore, beyond the end of the laesura
  • The ornamental primrose
  • * {{quote-book, 1919, Michael Wood, The White Island citation
  • , passage=Réné came on quietly, his trowel in one hand, some auricula roots in the other.}}

    Synonyms

    * (external part of the ear) pinna, auricle * (pouch projecting from the atrium) atrial appendage, auricular appendix, auricle * (thickening of a trilete spore) valva * (primrose) bear's ear, Auricula