释义 |
crenate /ˈkriːneɪt /adjective Botany & Zoology(Especially of a leaf or shell) having a round-toothed or scalloped edge. Compare with crenulate.The leaves, about 4 cm by 2 cm are opposite, deltoid-ovate, crenate serrate and green to dark green in colour....- Supported on four feet modeled as shells (mussel, scallop, oyster, and clam), it has irregularly crenate ends that are encrusted with sand and various types of aquatic life, and other marine-related elements adorn the lower sides.
- He looked up from the floor of his buggy and saw a large crenate tree just before he hit it.
Derivativescrenated adjective ...- As markers of the membrane, this author used the spicules of a crenated red cell, a spot created by illumination of the membrane with a laser, or Heinz bodies.
- Note the budding and the more oval appearance of each cell. (‘A’ is a crenated red blood cell; ‘C’ is also a red cell.)
- In urine with a very high specific gravity the red cells become crenated which may appear as granules or spikes in the cell.
crenation noun ...- Marine amoebae are not in danger of lysis or crenation because seawater and their cytoplasm are isotonic.
- Their small crenations guaranteed an easy perforation of skin.
- These are smooth, with a slight silvery sheen on the grooved upper surface, sculptured with raised veins on the convex lower surface, and with a few crenations on the margins.
OriginLate 18th century (earlier as crenated): from modern Latin crenatus, from popular Latin crena 'notch'. |