The thyroid gland first appears in the phylogenic scale in the Lamprey larva, Ammocoetes, at the time of metamorphosis (see review by Constantinescu, 1972). In higher Vertebrates the adult thyroid gland consists of vesicles i. e. thyroid follicles containing colloid and lined with a cubic or prismatic epithelium. Since the end of the 19th century, many authors have studied the morphoge nesis of the follicles during the embryonic and fetal development of the gland in Man and other species, ...

This version of Crossbow is beautifully illustrated by Andrea Cau. It is the same inspiring tale of a young Native American boy, who although small in stature, learns to use his smarts to overcome bullying and become a great hunter and inventor.

A chance discovery leads to a world of adventures …When Ali finds a magic door into Fairyland, she never expects to come face to face with a real live dragon. Then she meets Ziggy, a little pink fairy who really needs her help.You see, Ziggy hurt her wing, and she needs a magic blue flower to fix it. There’s only one problem …A dragon guards the flower.Can Ali brave the Dark Forest, and the dragon, to help her new friend?Parents ...

From an Aurora Award-winning author comes a thrilling young-adult outer-space adventure.When the old woman who raised him in a remote village is murdered, Kriss Lemarc finds himself alone on a planet where he'll always be an outsider.His only link to his long-dead, unknown parents is the touchlyre they bequeathed him, a strange instrument that not only plays music but pours his innermost feelings into the minds of his listeners.When Tevera,...

This book delivers the latest developments in object technology and their impact in computing systems re-engineering. Object-oriented programming is here shown to provide support for constructing large scale systems that are cheaply built and with reusable components, adaptable to changing requirements and use efficient and cost-effective techniques.Internationally recognised authorities from Finland, France, Germany, Italy, Poland, Spain, the UK and the USA here record their research and ...

Change and Resilience offers a view of the main Mediterranean islands from West to East in Late Antiquity because Mediterranean islands can contribute in fundamental ways to our understanding not only of earlier colonizations but also later periods. The volume explores specifically the time frame from the fall of the Roman empire to the Medieval period.A first group of papers covers islands and island groups in the Central and Western Mediterranean, including the Balearic Islands, ...

In a world in which magical runes determine a person's fate, runeless best friends find themselves on opposite sides of an epic fight for justice.This exciting fantasy graphic novel about friendship and power is perfect for 8-12-year-old fans of Amulet and Avatar: The Last Airbender.In the wealthy city of Dura, a person's fate is determined by which of seven magical runes they're born with. And Fungai and Ngoni, both born ...

As the re-emergence of nuclear power as an acceptable energy source on an international basis continues, the need for safe and reliable ways to dispose of radioactive waste becomes ever more critical. The ultimate goal for designing a predisposal waste-management system depends on producing waste containers suitable for storage, transportation and permanent disposal. Cement-Based Materials for Nuclear-Waste Storage provides a roadmap for the use of cementation as an applied techni...

This is a collection of multiple choice questions on an introduction to the human body, chemistry and cells. Topics covered include anatomy and physiology defined, structural organization levels, characteristics of living organisms, feedback mechanisms, anatomical terminology, medical imaging, the organization of matter, chemical bonds, chemical reactions, inorganic compounds, organic compounds, parts of the cell, plasma membrane, transport processes, cytoplasm, nucleus, cell division (mit...

Praised forits clarity of presentation and accessibility, Introduction to Modern Virology has been a successful student text for over 30 years. It provides a broad introduction to virology, which includes the nature of viruses, the interaction of viruses with their hosts and the consequences of those interactions that lead to the diseases we see. This new edition contains a number of important changes and innovations including:The consideration of immunology now cove...

Secret adventures from the world of Infinity Ring. Only in e-book! Only 99 cents!Margaret has left behind the comforts of London to join her parents on the frontier of Australia. She's expecting her new life to be rugged. But she has no idea of the true dangers that await her in the Outback . . . not until she befriends a young outlaw who draws her into a deadly conspiracy.INFINITY RING SECRETS is a series of stand-alone short stories blending real history with the action and suspe...

A young man seeks to understand the strange connection he feels to the wolves that live hear his village.Originally published in the anthology WEREWOLVES, edited by Jane Yolen. Republished in Bruce Coville's solo collection, ODDLY ENOUGH.