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This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
A joint or articulation (or articular surface) is the connection made between bones, ossicles, or other hard structures in the body which link an animal's skeletal system into a functional whole.
Articulate brachiopods have an outermost periostracum made of proteins, a "primary layer" of calcite (a form of calcium carbonate) under that, and innermost a mixture of proteins and calcite. [9] Inarticulate brachiopod shells have a similar sequence of layers, but their composition is different from that of articulated brachiopods and also ...
Articulation (anatomy), the location at which two or more bones make contact Articulation (architecture), in art and architecture, is a method of styling the joints in the formal elements of architectural design
Gum ducts are similar to resin ducts and may contain resins, oils, and gums. Usually, the term gum duct is used with reference to the dicotyledons, although gum ducts also may occur in the gymnosperms. Oil ducts are intercellular canals whose secretory cells produce oils or similar substances.
Many terms are used to describe the surface appearance of plant organs, such as stems and leaves, referring to the presence, form and appearance of trichomes. Examples include: glabrous, glabrate – lacking hairs or trichomes; surface smooth; hirsute – coarsely hairy; hispid – having bristly hairs; articulate – simple pluricellular ...
The field of articulatory phonetics is a subfield of phonetics that studies articulation and ways that humans produce speech. Articulatory phoneticians explain how humans produce speech sounds via the interaction of different physiological structures.
Articulate brachiopods, brachiopods with toothed hinges and simple opening and closing muscles; Articulate sound, to move the tongue, lips, or other speech organs in order to make speech sounds; Articulated vehicle, a vehicle which has a pivoting joint in its construction; Articulate, a public television series about creative artists