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Providing unique educational products and services at reasonable prices.

 

New! The 2010 TEKS Grades 5-8 Texas Science Models are now available on a flashdrive. Includes bonus models.

flashdrive

  Fall SALE

Social Studies with a Topographic Landform

Castle Harlech

Castle Harlech

 Castles of the British  Isles

  Includes:
  • A brief history of the development of fortified structures
  • Patterns for making 3 different castles spanning the time from 1066 to 1300
  • Instructions for building topographic landform bases
  • $25.75 now only $14.95
  For more information, and to order a book see:
  Castles of the British Isles 1066-1300 Architectural  Models

 CAST 2017 will be in Houston from 11/9 to 11/11

Download the Geoblox workshop handouts here.

Download and try out these Free Models

Composite Volcano in Color

Composite Volcano in black and white

Jetty

Skip to main page content home current issue past issues collections cover gallery radiology rsna. buy viagra online cheap free shipping Org search go advanced search user name password sign in clinical and radiologic manifestations of congenital extrahepatic portosystemic shunts: a comprehensive review eduardo alonso-gamarra , md, manuel parrã³n , md, ana pã©rez , md, consuelo prieto , md, loreto hierro , md and manuel lã³pez-santamarã­a , md from the departments of pediatric radiology (e. A. medicaresupplementspecialists.com/pfz-where-to-buy-viagra-online-lf/ G. , m. can you buy viagra over the counter in turkey P. Viagra joint pain , a. viagra without doctor prescription P. , c. viagra without a doctor prescription P. buy cheap viagra ), pediatric hepatology (l. buy cheap viagra H. discount generic viagra 100 mg ), and pediatric surgery (m. generic viagra shipped europe L. S. ), hospital universitario la paz, paseo de la castellana 261, 28046 madrid, spain. Address correspondence to e. can you buy viagra in spain over the counter A. G. (e-mail: edualonsogamarra{at}gmail. Com ). â  next section abstract congenital extrahepatic portosystemic shunt (ceps) is a rare condition in which the portomesenteric blood drains into a systemic vein, bypassing the liver through a complete or partial shunt. is generic viagra available in australia Most often, the diagnosis is made primarily with doppler ultrasonography. Canadian pharmacy viagra soft tabs Computed tomographic angiography and magnetic resonance angiography are used for further classification of the shunt and assessment of accompanying anomalies. information viagra tablets Conventional angiography is necessary when results of the other tests disagree or are inconclusive. Ceps is classified into two types according to the pattern of anastomoses between the portal vein and systemic vein. In type 1, intrahepatic portal venous supply is absent; in type 2, intrahepatic portal venous supply is preserved. Type 1 usually occurs in girls with associated malformations, such as situs ambiguous with polysplenia and congenital heart defects. Associated anomalies are less frequent in type 2, and symptoms usually develop later without a gender preference. Hepatic encephalopathy and liver dysfunction are possible complications of both types and usually develop during adulthood. Both types are also associated with regenerative hepatic nodules. buy viagra online in usa The clinical setting and imaging appearance of these nodules can help one avoid misdiagnosis. Definitive treatment of ceps is determined by the type of shunt. generic viagra shipped europe Liver transplantation is the only effective treatment for symptomatic type 1 ceps; surgical closure or embolization of the shunt is the therapeutic approach for type 2. sales viagra â© rsna, 2011 previous section next section learning objectives after reading this article and taking the test, the reader will be able to: describe the current classification, anatomy and embryology, clinical features, differential diagnosis, and treatment of ceps. Identify ceps on the basis of imaging findings at us, ct, mr imaging, and conventional angiography. wholesale viagra Discuss the value of each imaging technique in diagnosis of ceps and d. generic viagra good real thing Largest safe dose viagra Oasis

Comanche Tipi

Groin

This model is from Ancient Cultures Architectural Models

At this scale, you will need 79 wall segments to make one Roman mile.  To build the whole wall you would need 6400 models stretching 6/10 of a mile!

Ocean Crust

Phoenician Trireme

This 1:250 scale model is from the game Warship-Conquest of the Mediterranean

Last updated on October 1 2017
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