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Acanthodii

Acanthodii  

Class of primitive, fossil fish that had a true bony skeleton, a heterocercal tail fin, a persistent notochord, ganoid scales, and stout spines in front of the fins. The acanthodians lived from the ...
acid–base homeostasis

acid–base homeostasis  

Reference type:
Overview Page
All living things depend on water. Life consists of a highly complex series of chemical reactions occurring in aqueous media. Among the most important factors in the composition of these ...
Actinopterygii

Actinopterygii  

; class Osteichthyes)A subclass of ray-finned fish, that includes the majority of living bony fish of sea and fresh water. The fins are composed of a membranous web of skin supported by a varying ...
alignment

alignment  

The location of the tooth relative to the supporting alveolar bone and adjacent and opposing teeth.
alveolar crest

alveolar crest  

The most coronal part of the alveolar bone. In the healthy periodontium, the distance between the alveolar crest and the cement–enamel junction is 1–2mm, as measured on a radiograph.
analgesia

analgesia  

(an-ăl-jeez-iă)reduced sensibility to pain, without loss of consciousness and without the sense of touch necessarily being affected.
Andreas Vesalius

Andreas Vesalius  

Reference type:
Overview Page
(1514–64)Belgian physician and anatomist, who was a professor at Padua for six years before becoming a physician to the Habsburg court. He is remembered for producing in 1538–43 definitive text and ...
blood

blood  

(blud)a fluid that circulates throughout the body, via the arteries and veins, providing a vehicle by which an immense variety of different substances are transported between the various organs and ...
Bone

Bone   Reference library

The Grove Encyclopedia of Materials and Techniques in Art

Reference type:
Subject Reference
Current Version:
2008
Subject:
Art & Architecture
Length:
1,488 words
Illustration(s):
1

The material that forms the skeletons of the higher animals. It consists of an organic portion composed mainly of the

bone

bone   Reference library

The Oxford Companion to the Body

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Life Sciences
Length:
2,067 words

Fairly early in the evolution of multicellular organisms it became an advantage to have a hard body component which could

bone

bone   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007
Subject:
Science and technology, Medicine and health
Length:
118 words
The hardest connective tissue in the body. Bone consists of hard calcified matrix (mainly calcium phosphate) and collagen fibres. Over 200 bones make up the human skeleton. Bone is living ... More
bone

bone   Reference library

Oxford Dictionary of Biochemistry and Molecular Biology (2 ed.)

Reference type:
Subject Reference
Current Version:
2008
Subject:
Science and technology, Life Sciences
Length:
134 words

the hard, dense connective tissue that constitutes the skeleton of many animals. It consists of an organic matrix impregnated with

bone

bone   Quick reference

World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
67 words

Connective tissue that forms the skeleton of the body, protects its internal organs, serves as a lever during locomotion and

Bone

Bone   Reference library

A-Z of Plastic Surgery

Reference type:
Subject Reference
Current Version:
2009
Subject:
Medicine and health, Surgery
Length:
404 words

To maintain function, bone must regenerate.

Anatomy:

Bone is generated by osteoblasts. They are surrounded by their matrix and they

bone sounding

bone sounding  

The process of probing anaesthetized tissue with a periodontal probe to establish the level of the underlying alveolar bone.
calcium

calcium  

Reference type:
Overview Page
(kal-siŭm)a metallic element that is an important constituent of bones, teeth, and blood. It is also essential for many metabolic processes, including nerve function, muscle contraction, and blood ...
cancellous

cancellous  

Reference type:
Overview Page
adj. lattice-like: applied to the porous spongy network of flattened sheets of bone, interconnected like a honeycomb, that forms the interior of bones and has a lower density than the surrounding ...
caries

caries  

n. decay and crumbling of the substance of a tooth (see dental caries) or a bone. —carious adj.
cartilage

cartilage  

Reference type:
Overview Page
A skeletal connective tissue formed by groups of cells that secrete into the intercellular space a ground substance containing a protein, collagen (q.v.), and a polysaccharide, chondroitin sulfuric ...
cartilage bone

cartilage bone  

Bone that is formed by replacing the cartilage of an embryo skeleton. The process, called endochondral ossification, is brought about by the cells (osteoblasts) that secrete bone. Compare membrane ...

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