Connecting stalk

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1	PUMC Dept. of Anat. Hist. & Embry. Fetal Membranes & Placenta Add to Reading List Source URL: jpkc.pumc.edu.cn Language: English - Date: 2009-05-18 20:16:24 Zoology Chorion Extra-embryonic coelom Amnion Allantois Placenta Yolk sac Trophoblast Connecting stalk Embryology Anatomy Biology
2	Ants Management & IPM Actions Ants have several characteristics which make them easy to recognize. They have a very narrow "waist" like a wasp, usually with one or two small "bumps" on the stalk connecting the abdomen to Add to Reading List Source URL: www.spcpweb.org Language: English - Date: 2006-07-26 00:00:00 Hymenoptera Symbiosis Dolichoderinae Ant Termite Red imported fire ant Tapinoma sessile Entomology Zoology Myrmicinae