- germinal disk
- germinal disk n1) BLASTODISC2) the part of the blastoderm that forms the embryo proper of an amniote vertebrate
Medical dictionary. 2011.
germinal disk
Look at other dictionaries:
germinal disk — n. 1. a disklike spot in a fertilized ovum in which the first traces of the embryo are visible 2. the disklike spot on the yolk of a heavily yolked egg where segmentation begins after fertilization: see EGG1 … English World dictionary
germinal disk — Embryol. blastodisk. [1875 80] * * * … Universalium
germinal disk — noun a small circular white spot on the surface of the yolk of an egg … Wiktionary
germinal disk — Embryol. blastodisk. [1875 80] … Useful english dictionary
Disk — (d[i^]sk), n. [L. discus, Gr. di skos. See {Dish}.] [Written also {disc}.] 1. A discus; a quoit. [1913 Webster] Some whirl the disk, and some the javelin dart. Pope. [1913 Webster] 2. A flat, circular plate; as, a disk of metal or paper. [1913… … The Collaborative International Dictionary of English
Disk engine — Disk Disk (d[i^]sk), n. [L. discus, Gr. di skos. See {Dish}.] [Written also {disc}.] 1. A discus; a quoit. [1913 Webster] Some whirl the disk, and some the javelin dart. Pope. [1913 Webster] 2. A flat, circular plate; as, a disk of metal or paper … The Collaborative International Dictionary of English
Disk shell — Disk Disk (d[i^]sk), n. [L. discus, Gr. di skos. See {Dish}.] [Written also {disc}.] 1. A discus; a quoit. [1913 Webster] Some whirl the disk, and some the javelin dart. Pope. [1913 Webster] 2. A flat, circular plate; as, a disk of metal or paper … The Collaborative International Dictionary of English
disk — 1. A round, flat plate; any approximately flat circular structure. 2. SYN: lamella (2). 3. In dentistry, a circular piece of thin paper or other material, coated with an abrasive substance, used for cutting and polishing tee … Medical dictionary
germinal disc — /dʒɜmənəl ˈdɪsk/ (say jermuhnuhl disk) noun → blastodisc …
blas|to|disk — or blas|to|disc «BLAS tuh dihsk», noun. a disklike aggregation of formative protoplasm at one pole of the yolk of a fertilized egg, containing the nucleus; germinal disk … Useful english dictionary
