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Topic: Gonopore

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	gonopore - Search Results - MSN Encarta
		with intestine and pharynx simplex; without statocyst; paired major trunks of excretory system; male gonopore ventral; female genital apparatus opens in front of male through its own ventral gonopore...
		with ciliated pits; with preoral blind sac intestine; with sexual and asexual propagation; eyes when present, as 1 pair epithelial spots; female gonopore in front of male gonopore or with common...
		Gonopore definition, words related to gonopore, proper usage and pronunciation of the word gonopore from YourDictionary.com.
	ca.encarta.msn.com /gonopore.html (112 words)

	Spiders - About the reproductive organs
		These organs are found on the ends of the pedipalps (or palps), a pair of short, leg-like limbs between the jaws and the first leg.
		The last segment (tarsus) is transformed into a large, articulated sperm-holding reservoir and mating organ (the bulb) often cradled within a hollow in the tarsus, now called the cymbium.
		Both the structure of the external epigynum and the internal ducts and spermathecae vary between species and are very useful for the taxonomic identification of spiders.
	www.amonline.net.au /spiders/life/mating/organs.htm (564 words)

	Aplysia Laboratory Exercise (Site not responding. Last check: 2007-10-23)
		The opaline gland is an irregular, granular, white gland that is visible externally in the floor of the mantle cavity in the vicinity of the gonopore (Fig 1, 12-36A).
		The duct from gonopore to ovotestis is the hermaphroditic duct and it is divided into proximal and distal portions (Fig 4, 12-59B).
		During copulation the penis of one individual is inserted into the gonopore of its partner and the gonopore of the former receives the penis of the latter or of yet a third individual (Fig 12-59A).
	www.lander.edu /rsfox/310aplysiaLab.html (5755 words)

	Glosiphoniidae APPENDIX
		The male gonopore is situated in the groove between XIa3 and XIIa1 and the female gonopore lies between a2 and a3 of somite XII.
		Gonopores are separated by two annuli and eyes are in four pairs on II, III, IV, V (Klemm, 1982, Sawyer, 1986).
		Gonopores are separated by two annuli (male: XI/XII, and female XII a2/a3), salivary glands are diffuse, and six pairs of testisacs are intersegmentally arranged from XII/XIV to XVIII/XIX (Oosthuizen and Davies, 1992).
	research.amnh.org /~siddall/glossapp.html (3846 words)

	Spiders - About the reproductive organs
		In male and female spiders the genital opening (gonopore) is found beneath the front part of the abdomen at the middle of a transverse groove running between the book-lungs.
		In all male spiders, the small abdominal gonopore from which sperm is discharged is completely separate from the actual mating organs.
		As they are laid, eggs passing from the female's uterus to the gonopore through the vagina are fertilised via a short fertilisation duct that passes between the spermathecae and the vagina.
	www.austmus.gov.au /spiders/life/mating/organs.htm (564 words)

	Sumrall - Glyptocystitoid Rhombiferans (Site not responding. Last check: 2007-10-23)
		Nearby are the spout-like hydropore and the pyramid-covered gonopore.
		The hydropore and gonopore complex in callocystitids is positioned between three oral plates.
		The gonopore is the small hole between the hydropores and is often preserved covered with a pyramid of small plates.
	web.eps.utk.edu /Faculty/sumrall/research3.htm (536 words)

	Peripatus (Site not responding. Last check: 2007-10-23)
		The gonopore is between the last pair of legs.
		The gonopore is between the penultimate pair of legs (Fig 15-1C).
		The gonopore, also ventral to the rectum and vagina, is on the ventral midline between the last pair of legs (Peripatopsidae) or between the penultimate pair of legs (Peripatidae).
	www.lander.edu /rsfox/310peripatusLab.html (5113 words)

	Palaeos Metazoa: Deuterostomia: Homalozoa: Cincta
		A small opening behind the mouth represents the hydropore, perhaps combined with the gonopore.
		Other authors would interpret the pyramidal opening as the gonopore, and the central and left openings would be the mouth and anus, with differing interpretations as to which was which.
		A biramous ambulacrum is lodged in grooves recumbent on the anterior side of the theca.
	www.palaeos.com /Invertebrates/Deuterostomia/Homalozoa/A0B030Cincta.html (460 words)

	gonopore - OneLook Dictionary Search
		We found 6 dictionaries with English definitions that include the word gonopore:
		gonopore : Encarta® World English Dictionary, North American Edition [home, info]
		gonopore : The American Heritage® Dictionary of the English Language [home, info]
	www.onelook.com /?w=gonopore (100 words)

	Untitled Document (Site not responding. Last check: 2007-10-23)
		Because the male gonopore opens at the base of the fifth walking leg, the sex of an individual can easily be determined by examining the position of the gonopore.
		Spawning is the passage of oocytes from the ovary, through the oviduct and gonopore to the exterior of the female.
		As the oocytes leave the gonopore, they travel over the ventral surface of the female and move into the brood chamber where they attach to the ovigerous setae on the pleopods (swimmerets).
	talbotcentral.ucr.edu /researchpage/LobsterSex/LobsterSex.htm (5352 words)

	Briceno genitalic Structure copulation (Site not responding. Last check: 2007-10-23)
		The cloacal opening of the female is simple with spines surrounding the gonopore.
		Female Genitalia: The genital cavity is simple, with spines in the roof of the vagina surrounding the gonopore, which is lightly sclerotized with small spines.
		Letters A, B and C indicate the areas were the cerci (A) and the paramers (B) meet the females´s body before intromission.
	rbt.ots.ac.cr /revistas/45-3/briceno.htm (2066 words)

	Urban IPM: Scorpions and Scorpion-Like: Solpugids
		No spermatophore is produced by the male; instead a sperm droplet is transferred from the substrate to the female gonopore (genital opening) by means of the male's chelicerae.
		In one southwestern species, the male turns the female on her back, emits seminal fluid directly into the female gonopore, then tamps it in with his chelicerae.
		After mating, the female constructs a burrow and nest in the ground, where she lays 50-200 eggs.
	ag.arizona.edu /urbanipm/scorpions/solpugids.html (472 words)

	North America
		This form occurs at the southern periphery of the range of its very closely allied species Macrobdella decora, near the Missouri-Kansas border; Parallel modifications of the copulatory pores occur at the extreme southern Appalachian end of the range of M decora (Sawyer and Pass 1972).
		Dorsum with a yelllow or brown stripe; gonopores separated by 3-4 annuli but difficult to see; widely distributed in southern states; A related form, the genotype Philobdella floridana (Verrill 1874), is inadequately distinguished from P gracilis, with which it is probably conspecific; type locality; Lake Okeechobee, Florida
		With two or four longitudinal rows of fl pigment concentrations; male gonopore remarkably large in adults; a very common species throughout United States, Canada, and into Mexico; E montezuma from Arizona has posterior crop caeca (Davies, Singhal, and Blinn, 1985).
	research.amnh.org /~siddall/PEET/sawyer/namerica.html (1715 words)

	Annotated classification (from arthropod) -- Britannica Concise Encyclopedia - The online encyclopedia you can trust!
		Chiefly terrestrial; segmental appendages primitively unbranched; head appendages comprise a pair of antennae, a pair of mandibles, and 1 or 2 pairs of maxillae; trunk and appendages variable; respiratory organs are tracheae.
		Elongate; many trunk segments, each with 1 pair of legs; 2 pairs of maxillae covered by a large pair of poison claws representing the first pair of trunk appendages; eyes, if present, are simple ocelli; gonopore on last segment; 5 mm to almost 30 cm; about 2,500 living species.
		Mouthparts consist of a pair of mandibles and 2 pairs of maxillae; 12 leg-bearing trunk segments; terminal segment carries a pair of spinnerets; gonopore on fourth segment; l–8 mm; about 160 living species.
	www.britannica.com /ebc/article?tocId=42374 (1166 words)

	Outline for Acanthocephala (Site not responding. Last check: 2007-10-23)
		Reproduction systems of males and females associated with ligament sacs.
		Males insert penis into female gonopore, inject sperm, and plug gonopore with adhesive from cement gland.
		Acanthor larva leaves female, and leaves host with feces.
	faculty.vassar.edu /mehaffey/academic/animalstructure/outlines/acanthocephala.html (221 words)

	Structure of the Amphilinidea Juvenile and Adult
		Note uterine and vaginal openings at anterior end, and male gonopore at posterior end (redrawn from Dubinina, 1982).
		Adult Amphilina foliacea with vaginal opening and male gonopore, and various reproductive organs and ducts (redrawn from Dubinina, 1982).
		The uterine opening is located at the anterior end and near it are penetration glands which produce histolytic secretion.
	tolweb.org /accessory/Amphilinidea_Juvenile_and_Adult?acc_id=1778 (543 words)

	[Odonata-l] On wheel position (Site not responding. Last check: 2007-10-23)
		On Tue, 22 Jul 2003 cesquive@una.ac.cr wrote: > > I would like to know your opinion as to why dragonflies copulate in > the wheel position.
		My explanation to students has been that, > since the male grasps the female with his cerci, the female=B4s head > covers the male=B4s gonopore so that she can=B4t reach it with her own > at mating time.
		Therefore, odonate males have secondary genitalia > at the beginning of abdomen so that females can reach the > genitalia with their own gonopore and get the sperm.
	mail.ups.edu /pipermail/odonata-l/2003-July/004880.html (275 words)

	[Odonata-l] On wheel position (Site not responding. Last check: 2007-10-23)
		Dear friends: I would like to know your opinion as to why dragonflies copulate in the wheel position.
		My explanation to students has been that, since the male grasps the female with his cerci, the female=B4s head covers the male=B4s gonopore so that she can=B4t reach it with her own at mating time.
		Therefore, odonate males have secondary genitalia at the beginning of abdomen so that females can reach the genitalia with their own gonopore and get the sperm.
	mail.ups.edu /pipermail/odonata-l/2003-July/004878.html (118 words)

	Locomotion
		Besides the gill and the lung, the mantle cavity also contains the
		female gonopore, rectum, anus and osphradius (smell organ).
		The epinaenium is a muscular ridge that starts in the top of the mantle cavity (posterior) and extents across the floor of the mantle (the back of the snail's head) towards the breathing siphon.
	www.applesnail.net /content/anatomy/foot_mantle.php (675 words)

	Crabby Photos - Encyclopedia: Gonopore
		Female Gonopores – 151 viewsPhoto showing the gonopores of a female Strawberry Land Hermit Crab (Coenobita perlatus) admin
		Coenobita variabilis female displaying gonopores – 45 viewsGonopore is the scientific word for the sexual openings of land hermit crabs.
		They are present on the second set of legs in females, making it easy to distinguish between species.
	www.crabstreetjournal.com /photos/entrants/thumbnails.php?album=85 (67 words)

	Diving Bali Indonesia with Skubaskool Bali News-July 2006
		Both female and female organs are present in the adult specimens, usually positioned closely together and jointly referred to as the gonat.
		Gonat and gonopore (where the exchange of sperm is effected) are position on the right —hand side near the head.
		Any member of a species can mate with any other member.
	www.skubaskool.com /bali_dive_news_july-2006.html (643 words)

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