bony nucleus

ядро окостенения

English-Russian dictionary of geology. 2011.

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  • ear, human — ▪ anatomy Introduction       organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium).  The human ear, like …   Universalium

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …   Universalium

  • hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… …   Universalium

  • horn — Any structure resembling a h. in shape. SYN: cornu (1). [A.S.] Ammon h. [TA] one of the two interlocking gyri composing the hippocampus, the other being the dentate gyrus. Based on cytoarchitectural features, Ammon h. can be divided into …   Medical dictionary

  • limb — 1. An extremity; a member; an arm or leg. SYN: member. 2. A segment of any jointed structure. SEE ALSO: leg, crus. [A.S. lim] ampullary membranous limbs of semicircular ducts [TA] the dilated ends of the three semicircular ducts, each of which… …   Medical dictionary

  • regeneration — /ri jen euh ray sheuhn/, n. 1. act of regenerating; state of being regenerated. 2. Electronics. a feedback process in which energy from the output of an amplifier is fed back to the grid circuit to reinforce the input. 3. Biol. the restoration or …   Universalium

  • endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

  • part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See …   Medical dictionary

  • Cochlear nerve — Nerve: Cochlear nerve Diagrammatic longitudinal section of the cochlea. (Cochlear nerve is in center, shown as striped.) …   Wikipedia

  • Spinal cord — Latin medulla spinalis The spinal cord nested in the vertebral column …   Wikipedia

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