Melivorous see meliphagous

mellifera n. [L. mel, honey; ferre, to bear] (ARTHRO: Insecta) Honey-makers; bees as a whole.

melliferous a. [L. mel, honey; ferre, to bear] Honey producing.

mellisugent a. [L. mel, honey; sugere, to suck] Honey-sucking.

membrane n. [L. membrana, skin] A thin film of tissue.

membranization n. [L. membrana, skin] Changed into a membrane.

membranous a. [L. membrana, skin] Consisting of membranes; soft and pliable; membranaceous.

membranous sac (BRYO: Stenolaemata) Membrane surrounding digestive and reproductive systems of zooid; the ento-saccal and exosaccal cavity.

membranule, membranula n. [L. dim. membrana, skin] (AR-THRO: Insecta) A small semi-opaque membrane on the base of the hind wing of certain Odonata.

Mendelian character Character formed under the control of chromosomal genes.

Mendelian inheritance Mode of inheritance from chromosomal genes.

Mendelian mutation True gene mutation and recombination.

Mendelian population A population with unrestricted interbreeding of organisms sharing a common gene pool.

Mendelism n. [Gregor Mendel] Particulate inheritance of chromosomal genes.

Mendel's laws of inheritance Genetic principles proposed by Mendel; law of segregation and law of independent assortment.

meniscoidal a. [Gr. meniskos, a crescent] 1. Crescent-shaped lens; concavo-convex lens; one side convex and the other concave. 2. With one side concave, crescent shape of water in a tube, or convex, crescent-shaped as with mercury in a tube.

menognath n. [Gr. menein, to remain; gnathos, jaw] (AR-

THRO: Insecta) Having biting mandibles in both larval and adult stages. menognathous a. see Menorhyncha, me-tagnath.

Menorhyncha [Gr. menein, to remain; rhynchos, snout] (ARTHRO: Insecta) A former division of insects composed of those who ingest by suction in both larval and adult stages. see menognath and metagnath.

menotaxis n. [Gr. menein, to remain; taxis, arrangement] Orientation in a fixed direction with respect to the stimulus.

mental a. [L. mentum, chin] Of or pertaining to the mentum.

mental plate (ARTHRO: Insecta) In Lepidoptera, representing the basal sclerites of the labium. see labial plate.

mental setae (ARTHRO: Insecta) Setae located on the mentum.

mental suture (ARTHRO: Insecta) A distinct sclerite defined by a suture intervening between the mentum and the gula.

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