Germ

  • 161 germ cell — noun A cell that is part of the germ line: a gametocyte, an ovum or a sperm cell. Syn: reproductive cell, sex cell …

    Wiktionary

  • 162 germ layer theory — the theory that the embryo develops three primary germ layers, each of which gives rise to definite organ derivatives …

    Medical dictionary

  • 163 germ cell tumor — any of a group of tumors arising from primitive germ cells, usually of the testis or ovary; they range from benign to highly malignant. Types include embryonal carcinoma, germinoma, gonadoblastoma, polyembryoma, teratoma, and yolk sac or… …

    Medical dictionary

  • 164 germ cell — Synonyms and related words: act of love, adultery, animal cell, aphrodisia, ass, balling, bioplast, carnal knowledge, cell, cellular tissue, cellule, chromatoplasm, climax, coenocyte, cohabitation, coition, coitus, coitus interruptus, commerce,… …

    Moby Thesaurus

  • 165 germ line — noun Biology a series of germ cells each descended or developed from earlier cells in the series, regarded as continuing through successive generations of an organism …

    English new terms dictionary

  • 166 germ plasm — noun Biology germ cells collectively …

    English new terms dictionary

  • 167 germ layer — any of the three distinct types of tissue found in the very early stages of embryonic development (see ectoderm, endoderm, mesoderm). The germ layers can be traced throughout embryonic development as they differentiate to form the entire range of …

    The new mediacal dictionary

  • 168 germ plasm — gyvulių (paukščių) genofondas statusas Aprobuotas sritis veislininkystė apibrėžtis Vienos žemės ūkio gyvulių (paukščių) rūšies populiacijos palyginti pastovi veislių visuma tam tikru laiku. atitikmenys: angl. gene pool; germ plasm vok. Genetische …

    Lithuanian dictionary (lietuvių žodynas)

  • 169 germ cell — gemalinė ląstelė statusas T sritis augalininkystė apibrėžtis Nespecializuota stiebo ir šaknų augimo kūgelių, kaliaus ląstelė arba ląstelė, sudaranti meristemas. atitikmenys: angl. germ cell rus. зародышевая клетка …

    Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • 170 germ plasm — gemalinė plazma statusas T sritis augalininkystė apibrėžtis Paveldimumo medžiaga, susitelkusi ląstelių branduoliuose ir perduodama gemalinių ląstelių kitoms kartoms. atitikmenys: angl. germ plasm; idioplasm rus. зародышевая плазма; идиоплазма… …

    Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • 171 germ line cell — See: germ cell …

    Glossary of Biotechnology

  • 172 germ cell — A reproductive cell of the body. Germ cells are egg cells in females and sperm cells in males …

    English dictionary of cancer terms

  • 173 germ cell tumor — A type of tumor that begins in the cells that give rise to sperm or eggs. Germ cell tumors can occur almost anywhere in the body and can be either benign or malignant …

    English dictionary of cancer terms

  • 174 germ track — noun see germ line …

    Useful english dictionary

  • 175 germ cell — noun Date: 1851 a gamete (as an egg or sperm cell) or one of its antecedent cells …

    New Collegiate Dictionary

  • 176 germ layer — noun Date: 1877 any of the three primary layers of cells differentiated in most embryos during and immediately following gastrulation …

    New Collegiate Dictionary

  • 177 germ line — noun Date: 1925 the cellular lineage of a sexually reproducing organism from which eggs and sperm are derived; also the genetic material contained in this cellular lineage which can be passed to the next generation …

    New Collegiate Dictionary

  • 178 germ theory — noun Date: 1870 a theory in medicine: infections, contagious diseases, and various other conditions result from the action of microorganisms …

    New Collegiate Dictionary

  • 179 germ warfare — noun Date: 1938 the use of harmful microorganisms (as bacteria) as weapons in war …

    New Collegiate Dictionary

  • 180 germ ring — the thickened margin of the blastodisc that advances over the yolk during epiboly …

    Dictionary of ichthyology