pore-pairs

pore-pairs
двойные поры

English-Russian dictionary of geology. 2011.

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  • unigeminal — adj. [L. unus, one; geminus, twin born] 1. With one pair. 2. (ECHINODERMATA: Echinoidea) Pertaining to one row of pore pairs …   Dictionary of invertebrate zoology

  • annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… …   Universalium

  • Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

  • CÉPHALOCORDÉS — On désigne communément sous le nom d’Amphioxus, car ils sont pointus aux deux extrémités, des animaux marins de petite taille dont l’organisation comporte plusieurs traits fondamentaux que l’on retrouve chez les Vertébrés: le pharynx est perforé… …   Encyclopédie Universelle

  • English-language vowel changes before historic r — In the phonological history of the English language, vowels followed (or formerly followed) by the phoneme /r/ have undergone a number of phonological changes. In recent centuries, most or all of these changes have involved merging of vowel… …   Wikipedia

  • reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …   Universalium

  • Rhotic and non-rhotic accents — English pronunciation can be divided into two main accent groups: a rhotic (pronounced /ˈroʊtɨk/, sometimes /ˈrɒtɨk/) speaker pronounces a rhotic consonant in words like hard; a non rhotic speaker does not. That is, rhotic speakers pronounce /r/… …   Wikipedia

  • nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

  • agnathan — /ag neuh theuhn/, n. 1. any member of the vertebrate class Agnatha. adj. 2. agnathous. [AGNATH(A) + AN] * * * ▪ fish Introduction   any member of the group of primitive, jawless fishes (fish) that includes the lampreys (lamprey) (order… …   Universalium

  • metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …   Universalium

  • angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium


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