(in biology) indicating an embryo or bud or the process of budding
⇒blastoderm
Origin
from Greek blastos; see -blast
blasto-
Word Origin
1
a combining form meaning “bud, sprout,” “embryo,” “formative cells or cell layer,” used in the formation of compound words:
blastosphere.
Also, -blast.
Origin
< Greek, combining form of blastós a bud, sprout
Related Words
-blastic
blastocoel
blastocyst
blastoderm
blastodisk
blastogenesis
blasto-a word element meaning 'embryo' or 'germ', as in blastocyst.
Also, (before vowels), blast-. [Greek, combining form of blastos]
blasto- combining form ⇨ see blast-
blasto-
/ˈblæstəʊ/
combining form
relating to germination
表示“胚”, “芽”：
blastoderm.
词源
from Greek blastos 'germ, sprout'.
blasto-|blæstəʊ|repr.Gr. βλαστο- stem and comb. form of βλαστός sprout, germ. Used as the first element in many technical terms, chiefly in Biology, with the sense of ‘germ’ or ‘bud.’ Thus blastoˈcarpousa.Bot.[Gr. καρπός fruit], of the nature of a seed which germinates before escaping from the pericarp. ˈblastocele|-siːl|, [κελίς spot], the germinal spot. ˈblastocheme|-kiːm|, [ὄχηµα vehicle], a Medusa in which a generative body is developed in the radiating canals. ˈblastochyle|-kaɪl|, [χῦλος juice], the clear mucilaginous fluid in the embryonal sac of the ovule of plants. ˈblastocœle|-siːl|[κοῖλος hollow], the central cavity which forms in the ovum after segmentation. blastoˈcolla, Bot., [κόλλα glue], the gummy substance which coats certain buds, as those of the horse-chestnut. ˈblastocyst|-sɪst|, blastoˈcystinx|-ˈsɪstɪŋks|, [κύστις bladder, κύστιγξ little bladder], the germinal vesicle, blastoderm. ˈblastodisc, the germinal disc of the ovum of birds. blastoˈgenesis, reproduction by buds. blaˈstogeny|-ˈɒdʒɪnɪ|, Hæckel's term for the evolution of bodily form, the ‘germ-history of persons.’ blaˈstography, the scientific description of the buds of plants. ˈblastomere|-mɪə(r)|, [Gr. µέρος part], each of the segments into which the impregnated ovum at first divides. blastomyˈcosis[mycosis], a disease caused by infection with pathogenic fungi, affecting either the skin or the organs generally. blaˈstophaginea., of or belonging to the Blastophaga, a genus of fig-insects. ˈblastophor|-əfə(r)|, [Gr. -ϕορος -bearing, -bearer], a more or less centrally placed portion of the spermatospore, which is not used up in the process of division to form spermatoblasts, but serves to carry these; hence blaˈstophorala., as in blastophoral cell. ˈblastophore|-əfɔə(r)|, Bot., Richard's name for the part of the embryo with a large radicle which bears the bud. blaˈstophyly|ˈɒfɪlɪ|, [Gr. ϕυλή tribe], Hæckel's term for the ‘tribal history of persons.’ blaˈstoporala., of or pertaining to the blastopore. ˈblastopore[πόρος passage], the orifice produced by the invagination of a point on the surface of a blastula, or blastosphere, to form the enteron. ˈblastosphere, a name for the impregnated ovum, when after segmentation, it has acquired a blastocœle and blastoderm. blastoˈstroma[Gr. στρῶµα a stratum, a bed], the germinal area. ˈblastostyle[στῦλος pillar], a stalk upon which gonophores or generative buds are developed in the Hydrozoa.1877Huxley Anat.Inv. An. iv. 213 The central cavity of the body of the embryo Tænia simply represents a *blastocœle.1883Knowledge 24 Aug. 123/2 A mass of nucleated cells..within which there is a cavity or blastocœle.1876Encycl.Brit. (ed. 9) IV. 81 The *blastocolla, which covers the bud.1877Huxley Anat.Inv. An.Introd. 16 Tracing the several germ layers back to the *blastomeres of the yelk.1881Jrnl.Microsc.Soc. Jan. 147 There are two kinds of blastomeres, the larger form the lower half of the egg, the smaller ones the upper half.1900Dorland Med.Dict. 113/1 *Blastomycosis.1901H. T. Ricketts in Jrnl. Boston Soc.Med.Sci. V. 453 (title) A new mould-fungus as the cause of so-called blastomycosis or oïdiomycosis of the skin.1903Brit.Jrnl. Dermatology XV. 121 A case of blastomycosis.1921Brit.Mus. Return 133 Notes on Fig Insects, including..a new *Blastophagine Genus.1881Encycl.Brit. XII. 557 The ciliated ‘planula’..fixes itself, probably by the *blastoporal pole.1933Discovery Feb. 55/2 A small piece of the blastoporal lip [was]..cut out of the gastrula of a species of newt.1880Huxley Cray-Fish iv. 409 Its external opening termed the *blastopore.1877― Anat.Inv. An. iii. 131 In some *blastostyles..the ectoderm splits into two layers.
blasto-
before vowels blast-, word-forming element used in scientific compounds to mean "germ, bud," from Greek blasto-, comb. form of blastos "sprout, germ," which is of unknown origin.
blasto-/ˈblastəʊ/combining form of Greek blastos sprout, germ: see -o-. Used chiefly in Biology with the sense ‘germ’, ‘bud’.
blasto-
combining form. connection with or relation to a bud, germ, or early embryonic stage: Blastodisk = a germinal disk. Blastogenesis = reproduction by budding. Also, blast- before vowels.
[< Greek blastós sprout, shoot]
blas·to- — see blast-
blasto-
Prefix
bud; budding; germination
Etymology
From Ancient Greekβλαστός (blastós, “a germ, bud, sprout, shoot”), from βλαστάνειν (blastánein, “to bud, sprout, grow, properly of plants, but also of animals”).
Derived terms
► English words prefixed with blasto-
Blastobacter
Blastobasidae
blastocarpus
blastochyle
Blastocladiales
blastocoel
blastocone
blastodermic
blastogranitic
blastoid
Blastoidea
blastokinesis
blastomere
blastomycete
blastomycin
blasyomylonite
blastopelitic
blastophitic
blastophoral
blastopore
blastoporphyritic
blastopsammite
blastopsephitic
blastosphere
blastostyle
blastotomy
blastozooid
External links
blasto- in The Century Dictionary, The Century Co., New York, 1911