lamellar structure
61Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
62Mineralized tissues — Mineralized tissues: sea sponge, sea shells, conch, dentin, radiolarian, antler, bone Mineralized tissues are biological tissues that incorporate minerals into soft matrices. Typically these tissues form a protective shield or structural… …
63Iddingsite — is an alteration of olivine that consists of a mixture of clay minerals, iron oxides and ferrihydrides. Iddingsite forms from the weathering of basalt in the presence of liquid water and can be described as a phenocryst meaning it has… …
64Bacteria — Taxobox color = lightgrey name = Bacteria fossil range = Archean or earlier Recent image width = 210px image caption = Escherichia coli image is 8 micrometres wide. domain = Bacteria subdivision ranks = Phyla [cite web… …
65protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… …
66Sphalerite — Zincblende redirects here. For crystal structure, see Zincblende (crystal structure). Sphalerite Sphalerite on dolomite from the Tri State District, Jasper County, Missouri, USA General …
67Schreyerite — (V2Ti3O9), is a vanadium, titanium oxide found in the Lasamba Hill, Kwale district in Coast Province Kenya. It is a polymorph of kyzylkumite. The ore mineral occurs as exsolution lamellae and particles in rutile, coexisting with kyanite,… …
68liquid crystal — a liquid having certain crystalline characteristics, esp. different optical properties in different directions when exposed to an electric field. [1890 95] * * * Substance that flows like a liquid but maintains some of the ordered structure… …
69respiration, human — ▪ physiology Introduction the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… …
70layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam …
