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126 Cards in this Set
- Front
- Back
Articles |
segment of a segmented part/structure |
|
Book Gills |
Found externally Horseshoe crab |
|
Book Lungs |
Found internally-respiration Horseshoe crab |
|
Capituli |
Highly sclerotized basis O. Acari |
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Capitulum |
Mouthparts and are separated/moveable. Acari |
|
Carapace |
Hard upper shell, consists of 6 fused segments. Arachnida |
|
Chela |
A pincer like claw Scorpiones |
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Chelicerae |
2nd antennal of crustacea, not in insects Arachnida |
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Collum |
1st segment of millipedes that are legless Diplopoda |
|
Coxae |
Basal segments were mouth is Xiphosurida |
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Diplosegments |
Two segments fused as one Diplopoda |
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Epigynum |
Genital opening surrounded by a plate. Araneae |
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Filiform |
Antennae that are ventrally directed with seven articles. Diplopoda |
|
Gnathobase |
Spiny areas on inner surfaces- shred food.
Xiphosurida |
|
Gnathochilarium |
Lower lip Arthropods |
|
Hypostome |
Ventrally, an extended narrow denate structure. Acari |
|
Idiosoma |
Segments fused to form a single region Acari |
|
Labrum |
Situated above the mouth but hidden from view by chelicerae. Araneae |
|
Maxillipeds |
First appendage that are closely associated with mouthparts. Chilopoda |
|
Mesosoma |
Pre-abdomen Arachnida |
|
Metasoma |
Post-abdomen Arachnida |
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Moniliform |
Bead like Symphyla |
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Ocelli |
Simple Eye Scorpiones |
|
Opisthogoneate |
Condition where posterior segments are modified for reproduction Chilopoda |
|
Opisthosoma |
Abdomen Xiphosurida |
|
Organs of Tomosvary |
Inverted sacs, open near the bases of the antennae Symphyla |
|
Repugnatorial pores |
Open on the lateral terga of the posterior trunk segments Diplopoda |
|
Seminal Vesicles |
Genital opening surrounded by a plate Araneae |
|
Spermatheca |
A receptacle in which sperms is stored after mating. Araneae |
|
Spiracles |
External respiratory opening Scorpiones |
|
Sternum |
Ventral plate Araneae |
|
Pectines |
2, large wing-shaped combs Scorpiones |
|
Pedicel |
Small stalk like structure connecting an organ Araneae |
|
Pedipalps |
Mandibles of crustacea, insects and myriapods Arachnida |
|
Peritreme |
Spiracles that are surrounded by a circular sclerite Acari |
|
Prosoma |
Cephalothorax, united head and thorax Arachnida, Crustacea |
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Scutum |
Male body is covered by a single dorsal sclerite. Acari |
|
-Soma |
Body part, a division |
|
Somites |
Each # of body segments |
|
Spinneretes |
Highly specialized appendages of segments 10 and 11. Araneae |
|
Styles |
Inner bases of legs Symphyla |
|
Telson |
Last segment in abdomen Xiphosurida |
|
Abdomen |
posterior tagma- consists of eleven segments and bears a pair of cerci and exterior genitalia |
|
Antenna |
either pair of long thin sensory appendages on the heads of insects |
|
Aristate |
Having an arista or bristle, antenna type found on higher flies |
|
biting-chewing mouthparts |
the basic and most primitive type of mouth parts present in Grasshoppers, cockroaches and beetles |
|
capitate |
antenna that are abruptly clubbed at the end |
|
Cardo |
a triangular basal sclerite |
|
Cerci |
paired appendages on the rear most appendages of many athropods |
|
Clavate |
antenna that are gradually clubbed at the end |
|
Compound eyes |
the eyes of most insects which is composed of many light-sensitive elements, each having its own refractive system and each forming a portion of an image |
|
Coxa |
the first or proximal segment of the leg of insects |
|
cutting-sponging mouthparts |
on flies |
|
Ecdysial suture |
a y-shaped cranial suture found in larvae and some adults along which the integument is ruptured during molting |
|
Epimeron |
posterior side of the sidewall of the thoracic segment |
|
Epipharynx |
membranous oral lobe in the oral cavity, a flap underlying the labrum. |
|
Tagmata |
three distinct regions |
|
Tagma |
the head consisting of fused segments and bears the eyes, antennae and mouthparts. |
|
Thorax |
middle, three segments bearing three pairs of legs and two pairs of wings |
|
Sutures |
head capsule is divided by |
|
Sclerites |
Several separate plates |
|
Ommatidium |
Whole unit (lens and various types of cells beneath it |
|
Ocelli |
simple eyes, pale patches of transparent cuticle with light sensitive cells underneath. |
|
Labrum |
Upper lip |
|
Scape |
largest and contains muscles to move antenna |
|
Pedicel |
contains sensory organ Johnston's organ which detects movements of the antenna. |
|
Flagellum |
chemical, touch, temperature etc appear as small hairs on here. |
|
Mandibles |
two large, dark brown, sclerotized jaws. |
|
Maxillae |
Second pair of jaws which are revealed when the mandibles have been removed. |
|
Stipes |
Arises from the cardo, forms the central shaft of the maxilla. |
|
Lacinia |
large sclerotized inner lobe tapering toward the tip and ending in two teeth (Maxilla) |
|
Galea |
broad and fleshy outer lobe (of maxilla) |
|
Maxillary Palpus |
five-segmented inserts into the outer side of the stipes. |
|
Hypopharynx |
tongue-like organ |
|
Labium |
Lower lip |
|
Submentum |
large basal sclerite |
|
Mentum |
small transverse sclerite |
|
Prementum |
Deeply cleft plate arising from the mentum and bearing four lobes. Glossae are inner lobes Paraglossae are outer lobes |
|
Labial Palpus |
3 segments, borne on each side of the prementum. |
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Siphoning mouthparts |
Feed on nectar |
|
piercing-sucking mouthparts |
hollow tubes |
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Sponging mouthparts |
fleshy porous mass at the end |
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Prothorax |
Part of thorax- bearing the forelegs |
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Mesothorax |
Part of thorax- bearing middle legs and forewings |
|
Metathorax |
Part of thorax- bearing hindwings and legs. |
|
Pronotum |
Dorsal plate, on either side of the propleura. |
|
Pretothorax |
In flying insects, mesothorax and metathorax are fused together to form |
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Wing Process |
wing-bearing segments terminate in a knob |
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Pleural suture |
Lines |
|
Episternum |
anterior from the pleuron |
|
Spiracles |
opening into the tracheal system |
|
Tegmina |
grasshoppers/cockroaches leathery forewings sing. tegmen |
|
Tergum |
dorsal plate on abdomen |
|
Sternum |
Ventral plate on abdomen |
|
Pleural membrane |
found on either side of tergum/sternum |
|
Tympanic membranes |
either side of the abdomen, function as ears. |
|
Subgenital plate |
male, large bowl-shape terminating the abdomen. |
|
Ovipositor |
Consists of six short stubby valves (although only 4 are visible) |
|
Styli |
male, the 9th sternum bears a pair. |
|
Ootheca |
purse like egg case |
|
Chambers of the heart |
in the middle line |
|
Fat Body |
Considerable amount of white fluffy stuff |
|
Tracheal trunks |
largest, fine branches extending everywhere |
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Malpighian tubules |
yellow, thread-like excretory organs |
|
Tracheal trunks |
a) a number of transverse, intersegmental tracheae coming out from the direction of the spiracles and joining b) a pair of longitudinal trunks drawn out where the transverse one joins them, so as to give a scallop-edging effect, and along the middle line the successive chambers of the heart. |
|
Metanotum |
Dorsal portion of the metaphorax |
|
Haemocoele |
surrounds the internal organs and forms the body cavity |
|
pericardial sinus |
heart lies in a more or less tubular blood sinus |
|
Ostia |
valved apertures |
|
Aorta |
short, main artery of the body |
|
Alary muscles |
triangular white patches on each side of the heart |
|
dorsal diaphragm |
bases of the alary muscles are attached to |
|
amoebocytes |
fluid plasma |
|
sympathetic nervous system |
special nerve supply to the gut |
|
Stomatogastric nerves |
silvery appearance of traceae |
|
Alimentary Canal Regions (3) |
Stomodaeum (foregut)- front portion Mesenteron (midgut)- middle portion Proctodaeum (hindgut)- hind portion. |
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Pharynx |
mouth leads to |
|
occipital foramen |
gap in the head capsul |
|
crop |
forms a dilated capacious bag with the thorax |
|
proventriculus |
crop narrows abruptly then passes into here |
|
mesenteric/gastric caeca |
eight blindly ending tubular outgrowths |
|
proctodaeum |
Malipighian tubules, small intestine (ileum) large intestine (colon) and the rectum which opens up to the anus. |
|
Tracheae |
air tubes |
|
Taenidia |
air filled tubes |
|
Tracheoles |
formed by specialized cells and are attached to the end of the finest tracheal branchlet. |
|
Corpora allats |
Neurosecretory organs that control metamorphosis |