87 Gem 



Ganglion ventriculare. — The unpaired ganglion, 

 situated in front of the proventriculus. The 

 number of these ganglia varies in different orders 

 of insects. 



Ganglionic Plate.— The Periopticon. 



Gasterotheca. — The abdomen-case, that portion of 

 the theca enclosing the abdomen. (Gr, gaster, 

 the belly, and t?ieca, a case.) 



Gastric. — Belonging to the stomach. (Gr. gaster.) 



Gastro-ileal folds. — Twelve "dark spots " lying at 

 the anterior end of the ileum ; the boundary 

 separating the intestine from the chylific 

 stomach, and forming a peculiar valve. (Minot.) 

 (From Gr. gaster, ileo, and Dan. folde.) 



Gastrula. — The stage of the egg formed by the 

 presence of the primitive streak, the invaginated 

 blastoderm, the ectoderm and the endoblast. 

 (From Gr. gaster.) 



Gastrula stage. — (Embryol.) The stage of em- 

 briology, when the primitive streak invaginates 

 to allow of the formation of the inner layer. 

 (Gr. gaster.) 



Geminate. — Arranged in pairs ; twin ; disposed 

 in pairs from the same point. (L. geminus, 

 twin.) 



Geminous. — When spots, tubercles, puncta, etc., 

 are geminate. (L. geminus.) 



Gemmiparous. — A sexual generation by new 

 individuals, arising as buds from the body of the 

 parent. (L. geminus, and pario, to bring 

 forth.) 



