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Skeleton in Biological Dictionary

Skeleton

... In biology, a skeleton is a rigid framework that provides protection ... are external, as is ... The human skeleton consists of both fused and individual bones ... from the illustrated 3D osteology database. skeleton The human ...

Hydrostatic skeleton

... A hydrostatic skeleton or hydroskeleton is a structure found in many ... ... Aspects of the topic hydrostatic - skeleton are discussed in the following places at ... organisms is an ... A hydrostatic skeleton or hydroskeleton is a structure found in many ...

Invertebrates

... North America and the world. ... Invertebrates don't have an internal skeleton made of bone. ... Which of the following animals are invertebrates ... 3) What do all invertebrates have in common? They all have a soft skeleton made of fluid. ... Invertebrate , any animal lacking a backbone. ...

Cartilage

... Shark cartilage Shark cartilage , the tough material that a sharks' skeleton is composed of, is dried and powdered to create this popular dietary ... in cartilage . ... In mammals, however, the cartilage model for the skeleton is found only in the ... As with all CT's, cartilage is a combination ...

Tubulin

... of several members of a small family of globular proteins. ... tubulin The constituent protein of microtubules of cells which provide a skeleton for maintaining cell shape and is thought to be involved in cell Tubulin is the protein that polymerizes into long chains or filaments ...

Skeletal muscle

... the quiescent state of skeletal muscle satellite cells. ... Skeletal muscle , as the name implies, is connected to the bones of the skeleton ... Individual skeletal muscle cells are long and cylindrical in shape, with a ... SKELETAL MUSCLE . Cellular organization. ....

Plantigrade

... animal ... It should be done with the ankle plantigrade ( Bahr 1997 ) ... Building Bear Bones--A Guide to Preparing and Assembling a Bear skeleton or, Plantigrade Possibilities. A step by step guide on how to clean and assemble the bones ... For most phrases beginning with ... This is fine ...

Pectoral girdle

... The pectoral girdle is the set of bones which connect the upper limb to the axial skeleton on each side. It consists of the clavicle and scapula in humans and, in those species with three bones in the pectoral girdle , the coracoid. ...

Marsupials

... on this group of mammals which were widely spread in the late Cretaceous and Tertiary, with images of a reconstruction of Alphadon and a fossil skeleton ... A concise presentation of the natural history of marsupials , showing their evolutionary origins and outlining their representation in the ...

Lower epidermis

...nst... An epidermis that covers the upper and lower surfaces ... The lower epidermis of Tilia x europea. Palmate-veined leaf. Vein skeleton of a Hydrangea leaf ... Epidermis (botany) Cross-section of a flax plant stem: 1. Pith , 2. Protoxylem , 3. ... What is upper epidermis ...

Jointed appendages

... appendages and an exoskeleton provide protection, support, ... About Crustaceans. Crustaceans are arthropods, animals that have an external skeleton (an exoskeleton) jointed appendages to get around on and segmented bodies. ... ... symmetry, jointed appendages , segmented bodies, and ...

Hereditary Unit

... How did hereditary units win out over other theories? Two fields came together in 1903. ... This science unit framework is used to create a skeleton that is aligned to the ... learned behaviors are not controlled or inherited through hereditary information ... The ultimate hereditary ...

Exoskeleton

... An exoskeleton is an external skeleton that supports and protects an animal's body, in contrast to the internal endoskeleton of, for example, a human. Some animals, such as the ...

Endoskeleton

... a ton of detail, looking very much like his counterpart ... With a character like the Endoskeleton , where the steel is supposed to have a ... skeleton anatomy, term applied to all the rigid or semirigid structures supporting the soft tissues of an ... known as the endoskeleton and is formed within ...

Chordate

... legal access to over 6 Million songs, MP3s, and music downloads at Rhapsody. Reinterpretation of a very early mitrate fossil with a calcite skeleton showing it had paired gill slits like a chordate ... They are chordates ) ... Dr Chordate has been in the education business for many years ...
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