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4.Morphologyandanatomyofrotiferfemales
Externalappearanceandbodycover.Basically,therotiferbodyconsists
ofthreesections:head,trunk,andfoot(Fig.1).Because,however,fewanimal
groupsareasdiverseinbodyshapeasrotifers,itisdifficulttodescribeasingle
typeofbodystructurethatwouldbecharacteristicoftheentiretaxon.Thediver-
sityofshapesrangesfromspindle-liketoworm-liketopartlyortotallyloricate;
theloricamaysometimeshaveveryintricatecontours.Thefree-livingplanktonic
formsmaybeboat-like(Notholca),saccate,spherical,orovate(Asplanchna,Syn-
chaeta,Filinia).
Fig.1.A.*Monogonontafemalebodystructureinschematicrepresentation;A-indorsalview;
B-inlateralview(afterREmANE1929-1933);
Symbols:wa-wheel(ciliary)apparatus;el-epidermalliningofciliaryapparatus;aa-apical
antennae;la-lateralantennae;da-dorsalantenna;pt-pedaltentacle;he-head;ph-pharynx;
ge-germarium;pgl-pedalglands;gg-gastricglands;gv-gemovitellarium;eg-egg;
int-intestine;clo-cloaca;br-brain;ne-nerves;fo-foot;mo-mouth;ro-retrocerebral
organ;ov-oviduct;to-toe;bl-bladder;pr-protonephridium;oe-oesophagus;sg-salivary
glands;tru-trunk;pg-pedalganglion;sto-stomach
*Figuresinthepresentvolume–ifnotstatedotherwise–derivefromthePolishedition:RadwanS.
(ed.).2004.WrotkiRotifera.FaunasłodkowodnaPolski.32A,B
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