Category: A

  • Anatropous

    Of an ovule, reversed; bent parallel to its stalk so the micropyle is close to the point of funiculus attachment. An ovule bent back upon its stem.  

  • Anastomosis

    Union of one vein with another, the connection forming a network. Surgical, traumatic, or pathologic formation of a connection between two normally separate tubular structures or organs in the body. The surgical or pathologic connection between two vessels or tubular structures. In anatomy, fusing of hollow, tubular structures, especially in blood vessels. A connection made…

  • Anastomosing

    Anastomosing

    Forming a network; vein branches uniting where they come into contact. Forming a net-work, like the veins in a leaf.  

  • Ananthous

    Without flowers [unusual term].  

  • Anantherous

    (Used of filaments) without an anther.  

  • Anandrous

    Lacking stamens.  

  • Analogous

    Similar, related in function or shape, but not in origin. Resembling or similar in some respects, as in function or appearance, but not in origin or development;. Describing organs or parts that have similar functions in different organisms although they do not have the same evolutionary origin or development. Similar in function but different in…

  • Anadromous

    (In ferns) where the first set of veins in each pinna or lobe points towards the apex. Descriptive of fish that migrate from seawater to freshwater.  

  • Ampulliform

    Swollen in the shape of a flask (e.g. the corolla in Erica).  

  • Ampulla

    Small bladder attached to the roots and underwater leaves of some aquatic plants. The dilated section of a tubular structure. A swelling of a canal or duct, shaped like a bottle. Ampullae dilated, flask-like part or structure, especially the widened portion of a tube. An enlarged or dilated jug-like ending of a tube or canal.…