Términos

Juguete de peluche que representa a un oso con un material exterior afelpado y normalmente relleno, cuerpo erguido y antebrazos rectos. Apareció por primera vez en 1903.

Class of acquatic animals (fish) characterized by possessing a skeleton at least partly composed of true bone (as opposed to cartilage) and typically a swim bladder (an air-filled sac to give buoyancy), a single pair of gills, gill covers over the gill chamber, bony platelike scales, a skull with sutures, and external fertilization of eggs. Modern bony fishes represent over 20,000 species in more than 400 families. In some classifications it is listed as a superclass instead of a class.

Proteína de unión del calcio en los huesos.

Branch of anatomy that studies bone structure and function. In paleontology, the interpretation of skeletal remains of past populations of organisms.

Style and culture of the Ostiones people of the Caribbean islands, dating ca. 500-1500 CE.

General term used to refer to several species of bivalve mollusks of family Ostreidae and and of other families, found in marine habitats or brackish water; certain species (of family Ostreidae) are used by humans for food; certain others of other families are used for producing pearls.

Fragmentos de cerámica o de piedra que contienen inscripciones.

Family of marine bivalves having a rough irregular shell, of which the flattened left side is always underneath, closed by a single adduction muscle; they live free on the bottom or attached to stones or other object in shallow water on seacoats or brackish river mouths.

Order of about 600 species of bivalves having unequal shell valves, typically lacking hinge teeth, with a shell structure of foliated calcite, and other distinguishing characteristics.

Se refiere al estilo y al período asociado con los Ostrogodos, una rama de los godos germánicos que al parecer cruzaron el Báltico de Escandinavia en el siglo IV a.C. y que se establecieron al sur de Rusia en el siglo I a.C. y que se desplazaron bajando a través de Hungría, Austria, Yugoslavia y hacia Italia bajo Teodorico El Grande en el siglo V d.C. Los estilos del arte ostrogodo a través de los años combinan motivos decorativos desarrollados en las armas y los ornamentos personales con elementos de Roma clásica y el Arte bizantino.

Genus containing around 7 species of ornamental trees native to Eurasia and North America, having a shaggy, scaly bark and thin, translucent, green leaves with hairy leafstalks. The hoplike, green fruits are composed of many bladderlike scales, each bearing a small, flat nut.

Species of medium-sized hop hornbeam plant found in Italy, France, Austria, Slovenia, Greece, the Balkans, southern Switzerland, and Anatolia.

Species of deciduous understory tree native to Canada and the United States. The buds and catkins are an important source of winter food for certain birds.

Additive color system devised by chemist Wilhelm Ostwald; based on 24 foundation colors arranged in a disc; each then have white and black added to form tints or shades; used predominantly in the mid-twentieth century.

In Japanese printing, format derived from a large sheet, ō-ōban, around 39 x 17.5 cm.

Family containing 14 species in seven genera comprising sea lions and fur seals. They are adapted to a semi-aquatic lifestyle, feeding and migrating in the water but breeding and resting on land or ice, having small but visible external ear flaps, larger foreflippers and pectoral muscles than true seals, and the ability to turn their hind limbs forward and walk on all fours. With true seals and walruses, arose in the late Miocene (10-12 million years ago), descended from a common ancestor most closely related to modern bears.

Indication in texts, databases, tables, and lists when the topic or element for the instance at hand is some value beyond the specific values provided.

Information indicator used in reference to a work other than the work being cataloged or discussed.