Wfsc2

Front 1

The solid mesodermal, supportive tissue which characteristically fills acoelomate animals.

Back 1

parenchyma

Front 2

a primitive osmoregulatory-excretory organ with tubules ending in specialized "flame cells"

Back 2

protonephridium

Front 3

The condition of having both male and female reproductive systems present in teh same individual

Back 3

hermaphroditic

Front 4

An unciliated living synctium which forms the outer convering of certian invertebrates such as trematodes

Back 4

tegument

Front 5

the free swimming larva of certain polyclad flatworms

Back 5

muller's larva

Front 6

a multinucleated mass or protoplasm resulting from the fusion of individual cells

Back 6

syncytium

Front 7

the eversible penis-like structure of flatworms

Back 7

cirrus

Front 8

a vestigial canal seen in certain flatworms which is gernerally equivalent to a vagaina

Back 8

Laurer's Canal

Front 9

The larval form of monogenetic trematodes

Back 9

Onchomiracidium

Front 10

The larval stage of monogenetic trematodes

Back 10

gyrodactyloid larva

Front 11

The posterior attachment organ in monogenetic tremetodes

Back 11

Opishaptor

Front 12

The first free swimming larva of digenetic tremetodes

Back 12

miracidium

Front 13

A polyembryonically produced, free-swimming or crawling larval stage of digenea

Back 13

Cercariae

Front 14

The encysted preadult atge in the slife cycle of most flukes

Back 14

Metacercariae

Front 15

The female gentital chamber where eggs are formed in certian platyhelminthes

Back 15

Ootype

Front 16

A germinal sac which is part of polyembryony of flukes

Back 16

sporocyst

Front 17

A germinal mass found in polyembryony of some flukes that is somewhat like a sprocyst but which has a pharynx, locomotory buds and an intestinal cecum

Back 17

redia

Front 18

attachement organ of tapeworms

Back 18

scolex

Front 19

the segment-like unit of the strobila of tapeworms

Back 19

proglottid

Front 20

the ventral sucker used for attachment in flukes

Back 20

acetabulum

Front 21

the ventral sucker-like attachment organ of aspidogastrids

Back 21

aveola

Front 22

the highly folded, specialized outer layer of the tegument of cestodes

Back 22

microthrix

Front 23

the larval form found in the life cycles of certian cyclophyllidean tapeworms

Back 23

cysticercus

Front 24

proglottids of tapeworms which have become full of eggs

Back 24

gravid proglottid

Front 25

the ciliated first larval stage of Pseudophyllidean tapeworms

Back 25

coracidium

Front 26

specialized larva of cestodarians which develop in the egg

Back 26

lycophore larva

Front 27

the nonciliated first larva of certian tapeworms with six hooks on the lrval cercomere

Back 27

hexacanth

Front 28

membrane bound, rod-shaped secretions released to the surface to form mucus

Back 28

rhabdites

Front 29

the nonciliated first larva of certain tapeworms which develops in the egg

Back 29

oncosphere

Front 30

a specialized cavity in nemertines which houses the proboscis apparatus

Back 30

rhynchocoel

Front 31

muscles that extend around the body of an organism

Back 31

circular muscles

Front 32

a membrane lining a principle cavity of an organism

Back 32

peritoneum

Front 33

opening of the reproductive systems of an organism to the outside

Back 33

gonopore

Front 34

muscles that stretch up and down the body of an orgnaism

Back 34

longitudinal muscle

Front 35

a feeding structure of nemertines which is ventral under hydrostatic pressure to capture prey

Back 35

proboscis

Front 36

larval form in the life cycle of some species of nemertines

Back 36

pilidium lrva

Front 37

a secondary body cavity derived from the blastocoel and located betwenn the endoderm and the mesdodermal tissues

Back 37

pseudocoel

Front 38

the region between the mouth and the esophagus of many invertebrates which may be muscualr and is responsible for moving food materials into the intestines

Back 38

pharynx

Front 39

part of a neurosecretory complex thought to be assocaited with chromatophoric display and sexulaity in certain crustaceans and gastrotrichs

Back 39

x-organ

Front 40

the ganglionic mass located in the pharyngeal region of inverterbrates such as the gastrotrichs

Back 40

neuropile

Front 41

a term used in some species of invertebrates for the "seminal receptacle"

Back 41

spermtheca

Front 42

anal or posterior extensions which are usually found in pairs in many invetebrate groups including the gastrotrichs

Back 42

furca

Front 43

a sac-like structure in the anterior end of acanthocephalans which receives the proboscis when it is invaginated

Back 43

proboscis receptacle

Front 44

a fluid filled system which connects with the lemnisci sacs and is located just under the tegument of acanthocephalans

Back 44

lacunar system

Front 45

a ligament that stetches through the pseudocoel from the anterior to the posterior of the body of acanthocephalans on which the body organs are supported

Back 45

central body ligament

Front 46

the combination of the proboscis and the neck of the acnthocephalans

Back 46

presoma

Front 47

the body of an acanthocephalan including everything except the presoma

Back 47

soma or metasoma

Front 48

specialized glands of male acanthocephalans which producea cement-like substance

Back 48

cement glands

Front 49

a specialized copulatory structure of male acanthocephala which is used to hold the female during copulation

Back 49

copulatory bursa

Front 50

the pouch-like structure of male acanthocephala which hydraulically controls the copulatory bursa

Back 50

Saeftigen's pouch

Front 51

A bell-shaped structure found in the female reproductive system which sorts out the fertilized eggs

Back 51

Uterine bell

Front 52

the larval stage that develops from the egg in the acnthocephalans

Back 52

acanthor

Front 53

the larval form of acanthocephalans which is infective to the definitive host

Back 53

acanthella

Front 54

a condition in any species where the male and the female are morphologically dissimilar

Back 54

sexual dimorphism

Front 55

a simple preoral chamber as seen in some nematodes

Back 55

vestibule

Front 56

a highly modified preoral or postorla chamber as seen in nematodes such as hookworms

Back 56

buccal cavity

Front 57

an outer nonliving body covering as seen in the nematodes which must be shed to accomadate growth

Back 57

cuticle

Front 58

the layer found underlying the cuticle in nematodes which is responsible for secreting the new cuticle after moling

Back 58

hypodermis

Front 59

a common chamber that receives both the intestinal tract and the reproductive tract and has an opeing to the outside. This is seen in male nematodes.

Back 59

cloaca

Front 60

a thickened region of the cuticle in female nematodes which surrounds the female genital pore forming lip-like projections

Back 60

vulva

Front 61

a long slender larval form seen in the life cycles of some nematodes where penetration and tissue migrations is required

Back 61

filariform

Front 62

a short stubby larval form seen in many nematode life cycles where penetration and tissue migration is not rquired

Back 62

rhabitaform

Front 63

specialized cells in which the capillary esophagus of Trichurata is embedded. These glands are thought to be secretory.

Back 63

Stichosome cells

Front 64

A proteinaceous rod-like structure assoc. with the genital pores of many species of male nematodes which is used to hold the female in place during copulation and to allow for the transfer of sperm to the female

Back 64

spicule

Front 65

a specialzed excretory cell of many nematodes which surrounds the primary excretory duct.

Back 65

renette cell

Front 66

the ciliated crown of members of the rotifera

Back 66

corona

Front 67

band-like series of cilia surrounding the meouth region of rotifers

Back 67

circumapical band

Front 68

the complex pharynx of the rotifers

Back 68

mastax

Front 69

the combined ovary and yolk gland of the rotifers

Back 69

germovitellarium

Front 70

a posterior, terminal appendage occuring in pairs in rotifers. This structure is also called the toe and is used for attachment.

Back 70

spur

Front 71

Glands found in the posterior of rotifers which produce a cement-like substance for attachment to a substrate

Back 71

pedal glands

Front 72

one of two discs forming the oral region of certian rotifers

Back 72

trochal disc

Front 73

the anterior band of cilia found on the trochal disc of certain rotifers

Back 73

trochus

Front 74

the posterior band of cilia found on the trochal disc of certian rotifers

Back 74

cingulum

Front 75

the divisions or segments in the chitinous cuticle of Kinorhyncha

Back 75

zonites

Front 76

the cirlet of spines at the tip and base of the protrusible cone of Kinorchyncha

Back 76

scalids

Front 77

the cuticular plates of the neck which close over the retracted head in the Kinorhyncha

Back 77

Placids

Front 78

cuticular covering as seen covering the abdomen of members of the phylum Loricifera

Back 78

Lorica

Front 79

the curved body spines found in several invertebrate phyla

Back 79

scalids

Front 80

the cone shaped anterior end of members of the phylum Loricifera

Back 80

Introvert

Front 81

The region between the head and the abdomen of numerous invertebrates bearing exoskeletons

Back 81

thorax

Front 82

the adult like larval form of members of the Phylum Loricifera

Back 82

HIggins Larva

Front 83

true segmentation of the mesodermal body parts as seen in annelids

Back 83

metamerism

Front 84

the anterior pre-segmented tip of segmented body forms

Back 84

acron

Front 85

the anterior, pre-segmented tip of annelids

Back 85

postomium

Front 86

the post-segmented end of annelids

Back 86

pygidium

Front 87

a double layer of peritoneum which spearates adjacent segments in annelids

Back 87

transverse septa

Front 88

A chitinous bristle commonly seen in certain annelids

Back 88

setae

Front 89

the fleshy, paired, lateral, segmentally arranged appendages of Polychaetes

Back 89

Parapodia

Front 90

the mouth-bearing first segment of annelids

Back 90

peristomium

Front 91

what are shared between Nemertinea and Platyhelminthes?

Back 91

presence of Rhabdites

Front 92

Subclass Digenea, what subclass and phylum?

Back 92

Class Trematoda
Phylum Platyhelminthes

Front 93

what kind of coelem do Acanthocpehalans have?

Back 93

pseudocoel

Front 94

acanthocephalans are...

Back 94

pseudocoelic

Front 95

roundworms are generally placed in....

Back 95

nematoda

Front 96

most nematodes have....

Back 96

complete alimentary canal

Front 97

which order of nematodes has stichocytes and egss

Back 97

Trichurata

Front 98

which order of Nematodes is in which the pahrynx is divided into precorpus, metacorpus and bulb

Back 98

Rhabdita

Front 99

free living species of platyhelminthes are in...

Back 99

Turbellaria

Front 100

What class are hookworms in?

Back 100

Phasmidea

Front 101

Which order of nematodes have a mouth surrounded by 3 well developed, trapezoidal lips

Back 101

Ascaridata

Front 102

which order of nematodes have a cervical allae and pharynx with a conspicuous muscular bulb

Back 102

Oxyurata

Front 103

which nematode order have microfilarial stages?

Back 103

Filariata

Front 104

Which order have 2 psuedolabia and a pahrynx composed of an anterior muscular portion and a posterior glandualr portion

Back 104

Spirurata

Front 105

Aspidogastrea is a subclass of...

Back 105

Trematoda

Front 106

In the life cycle of Digenea, the stage hat is generally infective to the host

Back 106

metacercariae

Front 107

the class of segemented worms which are marine and are noted for their burrowing ability

Back 107

polychaets

Front 108

small coelemate worms whivh generally live in the interstitial spaces of marine sand and mud, resemble flat worms ---phylum?

Back 108

Gnathostomulida

Front 109

common name for organism found in phylum Nematomorpha

Back 109

horsehair worms

Front 110

what phylum---- nervous system has anterior ganglion or nerve ring connected to 1 to 3 main longitudinal nerve fibers

Back 110

Platyhelminthes

Front 111

phylum---- 3 well developed muscle layers... circular, longitudinal and oblique

Back 111

Platyhelminthes

Front 112

phylum---- no skeletal, circulatory or respiratory sytem, has protonephrdia

Back 112

Platyhelminthes

Front 113

phylum---acoelomate---parenchyma fills body

Back 113

Platyhelminthes

Front 114

Platyhelminthes are the ____worms

Back 114

flat

Front 115

false segmentation ----phylum

Back 115

strobilization, Platyhelminthes

Front 116

Planaria's head is trangular due to presence of 2 lateral ear-like projections called
(what phylum)

Back 116

auricles

Front 117

In phylum platyhelminthes identification to specific levels is based on...

Back 117

copullatory apparatus

Front 118

what class is primarily ectoparasites
phylum?

Back 118

monogenea
Platyhelminthes

Front 119

have ventral sucking surface composed of aveoli and loculi
phylum
class
subclass

Back 119

Platyhelminthese
trematoda
aspidogastrea

Front 120

alternation of generations--asexaul- polyembryony and sexual- anisogamy
phylum?
Class?
subclass?

Back 120

Platyhelminthese
Trematoda
Digenea

Front 121

2 types of germinal masses of polyembryony?

Back 121

sporocyst, redia

Front 122

cercaria--- often bait cercaria, metacercaria essentially encysted in the tail. Often these are also macrocerous cercariae

Back 122

cysticercous cercariae

Front 123

cercariae---large tailed

Back 123

macrocercous

Front 124

cercariae--- small tail

Back 124

microcerous

Front 125

cercariae---lacking a ventral sucker, 2 or 3 eyespots are frequently present on the distome, the pharynx is usually absent and th tail is simple

Back 125

monostome

Front 126

cercariae--- ventral sucker positioned at root of tail. generally form cysts in the open. These may have eyespots.

Back 126

amphistome

Front 127

cercariae---may be microcercous; tail cupped on the end to form a sucking surface. stylet

Back 127

cotylocercous

Front 128

cercariae--- with a collar of spines around oral sucker.

Back 128

echinostome

Front 129

cercariae---generally hasa tail with 2 furcae and the mouth is located in the ventral surface.

Back 129

gasterostome

Front 130

cercariae--- tail absent

Back 130

cercariae

Front 131

cercariae--- styled cercariae where the oral sucker has been replaced with a specialized organ, the virgula

Back 131

Virgulate

Front 132

the scolex of Pseudophyllidea is a

Back 132

bothridiate

Front 133

the genital atrium of ______ is generally located on the midline of the ventral surface

Back 133

Pseudophyllidae

Front 134

which class are generally found as adults in the body cavities of "elasmobranch" fish

Back 134

Cestodaria

Front 135

which has an armed rostellum on the scolex?

Back 135

Cyclophyllidea

Front 136

what has a protein-tanned operculated egg

Back 136

pseudophyllidea

Front 137

most oligochates possess a region on the body which is capable of secreting the wall of the cocoon which holds eggs in the environment and produces albumin in which eggs are laid. This region is....

Back 137

clitellum

Front 138

what has a terrestially-based life cycle

Back 138

Cyclophyllidea

Front 139

Nematodes generally lack

Back 139

gastrovascular system

Front 140

class cestoda are the _____worms

Back 140

tape

Front 141

subclass eucestoda ____ ______

Back 141

true tapeworms

Front 142

body form has 4 distinct body regions. body form is polyzoic
subclass

Back 142

eucestoda

Front 143

where the reproductive organs are fully developed and eggs are starting to be produced

Back 143

mature proglottids

Front 144

where the reproductive organs atrophy and the proglottid becomes filled with eggs

Back 144

gravd proglottids

Front 145

infective larva in order Trypanorhyncha
phylum?

Back 145

Plerocercus
Platyhelminthes

Front 146

order---- have an acetabulate scolex and 4 acetbula and 5th apical sucker or apical gland
phylum?

Back 146

Proteocephalata
platyhelminthes

Front 147

order---bladder worm
phylum?

Back 147

Cyclophyllidea

Front 148

2 orders in Phylum Gastrotricha

Back 148

macrodasyida and Chaetonotida

Front 149

what do nematodes have but tapeworms and acanthocephalans lack?

Back 149

an alimentary canal

Front 150

Acanthocephalan--- what kind of worm?

Back 150

spiny head

Front 151

phylum has----cuticale, comeplete alimentary canal, 3 germinal layers, no gastrovascular, only longitudinal muscles.

Back 151

nematoda

Front 152

2 classes of nematoda

Back 152

phasmidae
aphasmidae

Front 153

sensory pits located on each side near the posterior extremity of nematodes

Back 153

phasmids

Front 154

sensory organs loacted on each side of the anterior end of nematodes

Back 154

amphids

Front 155

orders of Aphasmidae

Back 155

Trichurata

Front 156

orders of Phasmidae

Back 156

Oxyurata

Camallanata
Rhabditata
Ascaridata
Strongylata
Sprirurata



Filariata

Front 157

order---- eggs have polar plugs, bacillary bands
phylum?

Back 157

Trichurata
Nematoda

Front 158

order --- pharynx is club shaped, males have well developed copulatory bursa
phylum

Back 158

Strongylata
nematoda

Front 159

order---pinworms
phylum

Back 159

oxyurata
nematoda

Front 160

order---ornamented valves
phylum?
what kind of worm?

Back 160

Camallanata
guinea worms

Front 161

phylum--- nervous sytem is composed of an anterior nerve ring and a single midventral nerve cord.

Back 161

Kinorhyncha (Echinoderida)

Front 162

phylum---cucumber shaped

Back 162

Priapulida

Front 163

These species are essentially female and reproduce almost entirely by parthogenesis. Phylum?

Back 163

Rotifera

Front 164

the stage in the life cycle of Digenea which develops in the egg is the

Back 164

cercaria