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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 571hair] Minute processes on the inner surface <strong>of</strong> epithelialcells. see brush border.microxea n. [Gr. mikros, small; oxys, sharp] (PORIF) A microscleresimilar to an oxea, but very small.microzoon n. [Gr. mikros, small; zoon, animal] A microscopicanimal.mictic egg Eggs that have undergone meiosis and are thereforehaploid; when unfertilized they produce haploid males.see amictic egg.micton n. [Gr. mictos, mixed] Widely distributed species producedby interspecific hybridization which are fully fertilewith parent species.mid-axis n. (MOLL: Bivalvia) Straight line in commissural planeat a right angle to the hinge axis and beginning at the midpoint<strong>of</strong> the ventral margin <strong>of</strong> the resilifer.midbody n. [A.S. middel, middle; bodig, body] The equatorialregion <strong>of</strong> the body.middle bulb see metacorpusmiddle cuticular layer (NEMATA) Formerly used for the matrixlayer <strong>of</strong> the cuticle.middle field see discoidal areamiddle plate (ARTHRO: Insecta) In embryology, that area betweenthe mesodermal rudiment and the lateral ectodermalplates.middorsal a. [A.S. middel, middle; L. dorsum, back] Pertainingto the true dorsal line <strong>of</strong> an individual; dorsomedian.midgut n. [A.S. middel, middle; gut] The mesenteron; themiddle portion <strong>of</strong> the alimentary tract.midgut gland (MOLL) A lobed or unlobed gland, <strong>of</strong> a compoundtubular or acinous nature, opening into the gut in one ormore places; sometimes called liver.midintestine see midgutmidventral a. [A.S. middel, middle; L. venter, belly] Pertainingto the true ventral line; ventromedian.midventral glands see supplementary organs

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