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Topic: Cephalothorax

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	Spider (arthropod) - Search View - MSN Encarta
		The cephalothorax cuticle is strong and stiff, while the cuticle of the abdomen is soft and extensible.
		The cephalothorax contains a number of structures and appendages: one pair of biting mouthparts known as chelicerae; a pair of poison glands; one pair of short, leglike appendages called pedipalps or palps; and four pairs of legs.
		In spiders the ganglia are concentrated in the cephalothorax, where they condense into two compact masses: the sub-esophageal ganglion and the supra-esophageal ganglion.
	encarta.msn.com /text_761566464__1/Spider_(arthropod).html (0 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal (Site not responding. Last check: 2007-10-12)
		The cephalothorax (prosoma) is an anatomical term used in arachnids and malacostracan crustaceans for the first (anterior) major body section.
		It is derived from the fusion of the head (cephalon) and the trunk (thorax), and therefore includes all the mouthparts, antennae, and the thoracic appendages, such as the legs of a lobster.
		In the Malacostraca, the cephalothorax is typically covered by a protective carapace.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=cephalothorax (0 words)

	EXPLORIT SCIENCE CENTER: Science Facts
		Spiders' legs are segmented and each leg has 7 segments: a coxa (attached to the cephalothorax), trochanter, femur, patella, tibia, metatarsus, and finally a tarsus which may end in two or three small claws.
		Below the eyes on head end of a spider's cephalothorax are two small jaws (chelicerae) that end in fangs.
		A spitting spider has special glands in its cephalothorax which produce a sticky substance that is squirted onto its prey.
	www.dcn.davis.ca.us /go/explorit/science/spider.html (2734 words)

	Crayfish Glossary
		The "tail" portion of the crayfish, posterior to the cephalothorax.
		The seminal receptacle (where sperm are placed during copulation) of females; quasi-circular structure on ventral surface, midway between the abdomen and cephalothorax, between the 4th and 5th pereiopods.
		The 5 pairs of abdominal appendages known as "swimmerets" (as opposed to the 5 pairs of walking legs attached to the cephalothorax).
	www.ncwildlife.org /pg07_WildlifeSpeciesCon/nccrayfishes/cf_glossary.html (0 words)

	Lander University \| Vaejovis
		The cephalothorax is covered by a carapace and bears chelicerae, pedipalps, and four pairs of walking legs.
		It lies on the ventral midline of the posterior cephalothorax.
		The midgut is a long tube covering most of the length of the cephalothorax, all of the preabdomen, and most of the postabdomen.
	webs.lander.edu /rsfox/invertebrates/vaejovis.html (0 words)

	TARANTULA FACTS
		Cephalothorax: The front body division on the tarantulas body.
		All appendages attach to the cephalothorax except the spinnerets.
		Chelicerae (fangs): A pair a appendages of the cephalothorax.
	members.tripod.com /~McCoin_Robert/facts.html (0 words)

	info: Cephalothorax (Site not responding. Last check: 2007-10-12)
		The cephalothorax consists of the cephalic (or head) region and the thoracic...
		Spider bodies are made of two main segments: the cephalothorax and the abdomen.
		The cephalothorax is in the front and possesses the legs, mouth parts, and eyes.
	www.napoli-pizza.net /Cephalothorax.html (0 words)

	spider - HighBeam Encyclopedia
		The cephalothorax is covered by a shield, or carapace, and bears eight simple eyes.
		On the underside of the head (the cephalic part of the cephalothorax) are two pairs of appendages, the anterior pair called chelicerae and the second pair pedipalps, with which the spider captures and paralyzes its prey, injecting into it venom produced in the poison glands.
		The spider then liquefies the tissues of the prey with a digestive fluid and sucks this broth into its stomach where it may be stored in a digestive gland.
	www.encyclopedia.com /doc/1E1-spider.html (0 words)

	Inter Research » DAO » v45 » n2 » p81-87
		Estimates of transmission coefficients from the exposures to the infected cephalothorax, abdomen, or whole shrimp were also calculated because the transmission coefficients account for differences in the initial doses.
		The calculated transmission coefficients were 0.95 from an infected cephalothorax, 0.59 from an infected abdomen, and 0.69 from an infected whole shrimp cadaver.
		The calculated transmission coefficients were 0.84 from an infected cephalothorax, 0.83 from an infected abdomen, and 0.60 from an infected whole shrimp cadaver.
	www.int-res.com /abstracts/dao/v45/n2/p81-87 (0 words)

	Cephalothorax (Site not responding. Last check: 2007-10-12)
		The cephalothorax is an anatomical term used of arachnid and malacostracan arthropods for the first major body section.
		It is derived from the fusion of the head (''cephalon'') and the trunk (''thorax''), and therefore includes all the mouthparts, antennae, and the thoracic appendages, such as the legs of a spider or lobster.
		The remainder of the body is the abdomen, which may also bear lateral appendages as well as the tail, if present.
	cephalothorax.iqnaut.net (0 words)

	Mr and Mrs Smith Life Science: Crayfish Dissection (Site not responding. Last check: 2007-10-12)
		The cephalothorax consists of the cephalic (or head) region and the thoracic region.
		Of the eight pairs of appendages on the cephalothorax, the first three are maxillipeds, which hold food during eating.
		Although the crayfish has an inflexible cephalothorax, the crayfish is classified as a segmented animal.
	members.aol.com /ksmith9526/CrayfishDissection.htm (0 words)

	Crustaceans Page 1 of "Keys to the Aquatic Biota of the Hawaiian Islands"
		Body appearing otherwise: usually divided into two distinct parts: cephalothorax and abdomen; or only the head a distinct part and a segmented region behind the head.
		Cephalothorax with four (4) pairs of legs, no antennae; usually with eight, simple eyes, and fang-like mouth parts.
		Cephalothorax with five (5) pairs of legs (counting claws but not leg like mouthparts), antennae, two eyes (usually compound and on stalks).
	www.aecos.com /CPIE/inv_06.html (0 words)

	Spiders - Spider outside
		The head and thorax, bearing the eyes, mouthparts and legs, are fused together to form the cephalothorax.
		This is joined by a slim waist (pedicel) to the second body section, the abdomen, on which are found the silk spinning organs (spinnerets), the reproductive openings and the breathing organs (book lungs and/or tracheae).
		The thin waist or pedicel separating it from the cephalothorax allows movement of the abdomen, for example, during silk spinning and mating displays.
	www.amonline.net.au /spiders/toolkit/structure/outside.htm (0 words)

	South Indian Spiders
		The cephalothorax is flat and smooth with a balloon shaped abdomen with its axis almost vertical and the spinnerets at the bottom.
		The smooth cephalothorax is high, thoracic slope being steep with the sides and the tall clypeus almost vertical.
		The cephalothorax is quite low but raised near the middle with flat cephalus sloping slowly downwards to a wide carina at the front and sloping more steeply on the sides and thorax.
	www.southindianspiders.com /south-indian-spiders3.htm (0 words)

	The Find-a-spider Guide - Spider Info
		Cephalothorax: The first of the two main parts of the body of a spider.
		There are often two rows of four eyes so we refer to the anterior (front row) median and lateral eyes and the posterior (second row) median and lateral eyes.
		Palps: Short, leg-like structures attached to the front of the cephalothorax between the fangs and the first pair of conventional legs.
	www.usq.edu.au /spider/info/glossary.htm (0 words)

	Spiders of Kentucky - University of Kentucky Department of Entomology
		The cephalothorax is the first of 2 body parts on a spider.
		The cephalothorax and abdomen are connected by a thin stalk called the "pedicel." Among arachnids that live in Kentucky (including scorpions, daddy-long-legs, and mites) only spiders have this thin stalk between the abdomen and cephalothorax.
		Attached to the cephalothorax is the coxa, followed by the trochanter, femur, patella, tibia, metatarsus, and tarsus.
	www.uky.edu /Ag/CritterFiles/casefile/spiders/anatomy/spideranatomy.htm (0 words)

	Insect Orders: Non-Insects
		The body of pseudoscorpions is divided into two general regions; the head-thorax (cephalothorax) and the abdomen.
		The cephalothorax is covered by a shield or carapace that is not segmented.
		There are six conspicuous appendages on the cephalothorax; the chelicerae, the palps, and 4 pairs of walking legs.
	insects.tamu.edu /fieldguide/orders/non_insect/pseudoscorpiones.html (0 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal (Site not responding. Last check: 2007-10-12)
		The body of a decapod crustacean, such as a crab, lobster, or prawn, is made up of nineteen body segments grouped into two main body parts, the cephalothorax and the abdomen.
		In the Anomura (hermit crabs and related animals), the fifth pair of pereiopods is often hidden inside the branchial chamber, where they are used to clean the gills.
		The cephalothorax is covered by a carapace which protects the internal organs and the gills; the section of the carapace that projects in front of the eyes is called the rostrum.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=pleopod (0 words)

	Search Results for "pairs"
		...The segmented body of the lobster consists of a large cephalothorax (made up of 14 segments) and a moveable, muscular abdomen (composed of 7 segments).
		On the underside of the head (the cephalic part of the cephalothorax) are two...
		...The body is divided into a cephalothorax with six pairs of appendages, and an abdomen.
	www.bartleby.com /cgi-bin/texis/webinator/65search?query=pairs (0 words)

	Your group:Fossil Groups: SciComms 04-05: Earth Sciences
		The cephalothorax is covered with a single shield or carapace known as the peltidium.
		The shape and the proportions of the carapace are also important for the purposes of classification, but in many cases, the carapace of the male differes significantly from that of the female of the same species.
		The ventral surface of the cephalothorax is occupied by 6 pairs of appendages and the thoracic sternites
	palaeo.gly.bris.ac.uk /Palaeofiles/Fossilgroups/arachnid/charac.html (0 words)

	Identifying and Misidentifying the Brown Recluse Spider
		In many publications, the violin pattern on the cephalothorax (the first body part to which the legs attach) is mentioned as a diagnostic characteristic (Fig 2).
		Despite this and the lack of bodily pigmentary pattern, the woodlouse spider is commonly misidentified as a brown recluse.
		There are several common and ubiquitous non-poisonous U.S. spiders that have dark markings on the cephalothorax which are erroneously and creatively misinterpreted as the violin marking of a brown recluse.
	dermatology.cdlib.org /DOJvol5num2/special/recluse.html (0 words)

	File: <STREPSIP
		Elenchoides, it was found that the side of the cephalothorax in contact with the host body is the dorsum, the venter being the outer, exposed side.
		Corioxenos, the mature larva lies with its venter against the body wall of the host, and in effecting emergence the cephalothorax is curved ventrally so that when the process is complete the body is U-shaped, the dorsum being outward with respect to the host body.
		Among strepsipterans developing in Hymenoptera, the cephalothorax of the parasitoid is extruded through the intersegmental membrane of the abdomen at any point on the periphery, although a greater number are found dorsally than ventrally or laterally.
	faculty.ucr.edu /~legneref/taxonomy/strepsip.htm (0 words)

	World Almanac for Kids
		The body structure of a spider is similar to that of other arachnids in being divided into an anterior cephalothorax, or prosoma, and a posterior abdomen, or opisthosoma.
		The two parts are separated by a narrow stalk, or pedicel, which gives the animal a flexibility that facilitates its use of silk.
		The cephalothorax ordinarily bears four pairs of simple eyes that tend to be larger in hunting spiders and smaller in spinners of elaborate webs.
	www.worldalmanacforkids.com /explore/animals/spider.html (0 words)

	Scorpions
		The long, segmented body of the scorpion is divided into two obvious sections: the elliptically shaped body and the trade-mark “tail.”The body of the scorpion is divided into two parts, the cephalothorax and the mesosoma or preabdomen.
		Spiders are soft-bodied arachnids with two body parts: the fused head and thorax, called the cephalothorax, and the abdomen, also known as the opisthosoma.
		This is a small, inconspicuous brown spider with slightly darker brown markings on the cephalothorax.
	www.desertmuseum.org /books/nhsd_scorpions.html?print=y (0 words)

	AllAllergy.Net - Allergy Advisor Digest
		The shrimp can be divided into two main anatomic regions: the abdomen, which is usually considered to be the edible part, and encloses the intestine and abdominal muscle, and the cephalotho- rax, which is covered by a carapace and contains the brain, the heart, the stomach and the bladder.
		The immunoblot of shrimp cephalothorax showed a different band pattern and was positive in patients 1 and 2, with bands between 14 and 136 kDa.
		These results suggest that there are allergens in the shrimp cephalothorax that can be specific for that structure and seem to be absent, or exist only in small amounts, in the muscular tissue; arginine kinase could be one of these.
	allallergy.net /abstracts/index.cfm (0 words)

	BioG 105/106 \| Autotutorial Introductory Biology
		The two most anterior segments of the cephalothorax lack appendages, and as a result the chelicerates have no antennae.
		The legs on the cephalothorax are either uniramous or have a very reduced gill branch, and are adapted for walking or swimming.
		The appendages on the abdomen, in contrast, are either absent or are reduced to their gill branch.
	instruct1.cit.cornell.edu /courses/biog105/labs/inverts/arthropoda.html (0 words)

	arthrophoda identification photos
		Their body is divided in cephalothorax (thorax and head are fused together) and abdomen; they have two pairs of antennae and are oviparous, generally respiration is brachial.
		Generally, Arachnids body is divided in two sections: cephalothorax (thorax and head are fused together) and abdomen (in species of Opiliones and Acari these sections are fused together), they have neither wings nor antennae.
		(scorpions): body divided in two sections, cephalothorax and abdomen; abdomen is divided in may segments of which the latest are narrow.
	strano16.interfree.it /artroph.htm (0 words)

	Spider elimination and basic biology, Spiders, Bugs
		In windows and near outdoor lighting, web-building spiders often construct webs because insect prey may be attracted at night by the lights and by air currents.
		But unlike scorpions, mites and daddy-long-legs, the cephalothorax and abdomen of the spider are separated by a visible waist or pedicel.
		The top of the cephalothorax is protected by a shield-like covering called the carapace.
	www.pestproducts.com /spiders.htm (0 words)

	Armadillidium Laboratory Exercise
		Some anterior thoracic appendages are usually fused with the head to form a cephalothorax and their appendages are maxillipeds.
		The small cephalothorax is visible dorsally as the first tagmata of the body (Fig 1).
		The cephalothorax is covered by an unbroken sheet of exoskeleton known as the carapace.
	www.miramar.sdccd.cc.ca.us /faculty/dtrubovi/biologylab/Armadillidium.htm (0 words)

	Identifying Spider Families (Site not responding. Last check: 2007-10-12)
		A spider's body has two parts, a cephalothorax, consisting of the head and the thorax, and the abdomen.
		Four pairs of legs are attached to the cephalothorax, as are the jaws, or chelicerae, ending in fangs.
		Also attached to the cephalothorax are small leg-like appendages called the pedipalps.
	www.jasonproject.org /jason6/spiders/iden.html (0 words)

	Spiders, Mites and Scorpions- Clipart ETC
		Mite The mites form with the ticks the order Acarina, and are distinguished by the fact that the abdomen is amalgamated with the cephalothorax to form a single mass.
		Scorpion Scorpions are characterized by having a distinctly segmented abdomen, which passes into the cephalothorax, without any well-marked line of boundary.
		Scorpion The name of an extensive genus of insects, native to the warm climates of both hemispheres, and belonging to the same family as the spiders.
	etc.usf.edu /clipart/galleries/Animals/spiders_mites_scorpions.htm (0 words)

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