| 释义 |
‖ stomodæum, -eum Embryology and Zool.|stɒməʊˈdiːəm|
Pl. -æa, -ea |-ˈiːə|.
[mod.L. irreg. f. Gr. στόµα mouth + ὁδαῖος that is on or by the road.]
The anterior portion of the digestive tract, beginning as an invagination of the epiblast.
1876Ray Lankester in Q. Jrnl. Microsc. Sci. XVI. 64 A second invagination forms the true mouth and the stomodæum. [Foot-note] This term and its correlative ‘proctodæum’ I propose for the oral and anal invaginations. 1900G. C. Bourne in Ray Lankester's Treat. Zool. ii. Anthozoa 7 The elongation of the mouth and stomodaeum confers a bilateral symmetry on the Anthozoan zooid.
Hence stomodæal, -eal |-ˈiːəl| a., belonging to or constituting a stomodæum.
1883Ray Lankester in Encycl. Brit. XVI. 637/1 (Mollusca) Both behind and before the stomodæal invagination. 1892E. B. Wilson in Jrnl. Morphol. VI. 418 The stomodæal arc rapidly enlarges. Ibid., The stomodæal glands. |