1 olychaete annelids, polyclad planarians, and nemerteans.

2  and compared to development of more derived nemerteans and other eutrochozoans (Annelida, Mollusca,

3  lophotrochozoans (i.e., molluscs, annelids, nemerteans, and polyclad flatworms) display a well-conse

4 es and some modifications in quadrant fates, nemerteans appear to be constructed on the typical spira

5 nelid cross, neither of which are present in nemerteans, are merely two out of much greater variety o

6                               Embryos of the nemertean Cerebratulus lacteus also undergo equal, spira

7 omeres in embryos of the indirect-developing nemertean Cerebratulus lacteus through the formation of

8 entral axis in embryos of the equal-cleaving nemertean Cerebratulus lacteus.

9  of development found in mollusks, annelids, nemerteans, entoprocts, and some marine platyhelminth gr

10 st similar to known annelid, brachiopod, and nemertean Hox gene homeodomain sequences.

11 a substantial cAMP increase prior to GVBD in nemertean oocytes that had been pre-injected with a cAMP

12  response that is produced at fertilization, nemertean oocytes were treated with pharmacological modu

13 block maturation, treatment of follicle-free nemertean oocytes with agents that elevate cAMP (8-bromo

14 s (including sipunculans and echiurans) with nemerteans, phoronids and brachiopods, molluscs as siste

15 ined uncertain and it has been compared with nemerteans, polychaetes, gastropods, conodonts, and the

16 ns, vestimentiferans, molluscs, sipunculids, nemerteans, polyclad turbellarians, gnathostomulids, mes

17 s 5-HT stimulation, follicle-free oocytes of nemerteans were assessed for GVBD rates in the presence

18  binding, aqueous extracts of sperm from the nemertean worm Cerebratulus lacteus were mixed with Ca2+

19                                          The nemertean worm, Cerebratulus lacteus, represents a membe

20 l tissue, and body wall muscle tissue of the nemertean worm, Cerebratulus lacteus.

21                                       In the nemertean worms Cerebratulus lacteus and Micrura alasken