spermato- 或 spermat-
pref.(前缀)
语源
pref.(前缀)
- Seed:
前缀,表示“种子”:
spermatophyte.
种子植物 - Sperm:
前缀,表示“精液”:
spermatic.
精液的 - Spermatozoon:
前缀,表示“精子”:
spermatophore.
精子包囊精包
语源
- Greek
希腊语 - from sperma spermat- [seed] * see sperm 1
源自 sperma spermat- [种子] *参见 sperm1
spermato- or spermo- or spermat- or sperm-
(before a vowel)
combining form
indicating sperm
⇒
spermatogenesis
indicating seed
⇒
spermatophyte
Origin
from Greek sperma, spermat-, seed; see sperm1spermato-
Word Origin
1
a combining form meaning “seed”; used with this meaning and as a combining form of sperm1. in the formation of compound words:
spermatogonium.
Also, especially before a vowel, spermat-.
Compare sperm-, -sperm, -spermal, -spermic, spermo-, -spermous.
Origin
< Greek spermat- (stem of spérma; see sperm1) + -o-
Related Words
- spermatheca
- spermatocyte
- spermatogenesis
- spermatogenous
- spermatogonium
- spermatophore
spermato-a word element meaning 'sperm'.
Also, spermat-, spermo-. [Greek, combining form of sperma sperm1]
spermato-
combining form
⇨ see spermat-
combining form
⇨ see spermat-
spermato-
combining form
- Biology relating to sperm or seeds【生】表示“精子”, “种子”:
-
spermatophore
spermatozoid.
词源
from Greek sperma, spermat- 'sperm'.
1882 Imp. Dict. IV. 155/1*Spermatoblast,..certain stalk⁓like filaments in the seminal ducts upon which the spermatozoa are developed.
1886 Encycl. Brit. XX. 412/1To the whole prolongation with its lobes he applies the term spermatoblast. [ Von Ebner]
1884 Proc. BostonSoc. Nat. Hist. 61The first stages in the development of the *spermatocyst of Hydra.
1886 Encycl. Brit. XX. 412/2One kind..divide into a mass or spermatogemma of small cells (*spermatocytes).
1920 Spermatocyte . [ see oogonium 2]
1959 . [ see spermatogonium below]
1970 Spermatocyte . [ see oocyte]
1886 Encycl. Brit. XX. 413/1The *spermatogemma meanwhile is developing a central cavity.
1898 A. S. Packard Text-bk. Entomol. 499A colossal cell,..the *spermatogone, from which the entire contents of the testes originate.
1902 Biol. Bull. III. 44In the case of the accessory chromosome, it has been found advantageous to trace its course through the *spermatogonial divisions in Brachystola, and through the spermatocyte changes in Hippiscus.
1976 Nature 22 Jan. 209/1 After 600 rad of X rays, the mean spermatogonial mutation rate was one-third that of the 7-locus mean.
1861 Bentley Man. Bot. 384The spermagonia or *spermatogonia were first discovered by Tulasne. [ in Lichens]
1886 Encycl. Brit. XX. 412/2One kind, resembling young ovules, which he terms primitive seminal cells or spermatogonia. [ Von La ValetteSt. George]
1957 Snell & Dick Gloss. Mycol. 144/2Spermatogonium, the proper form for what is called ‘spermogonium’.., but seldom used.
1959 W. Andrew Textbk. Compar. Histol. xii. 490spermatogenesis consists of the same general cytological stages as in the invertebrates: namely, spermatogonia, spermatocytes, spermatids, and spermatozoa. [ In fishes]
1968 Passmore & Robson Compan. Med. Stud. I. xxxvii. 27/2Spermatogonia show little sign of activity until puberty when they begin to multiply rapidly.
1970 . [ see oogonium]
1974 Sci. Amer. Sept. 56/3In the course of spermatogenesis the two important objectives are reduction of the chromosome number from the diploid number (46) of the spermatogonium to the haploid number (23) of the spermatozoon and the preparation of the spermatozoon for its role in fertilization.
1886 Q. Jrnl. Microsc. Sci. XXVI. 597The region where the spermatogonia are formed at the expense of their mother-cells or *spermatomeres.
1928 Funk's Stand. Dict. 2337/3*Spermatocidal, checking or killing the motor-power of spermatozoa.
1937 Spermatocidal . [ see chinosol]
1949 New Gould Med. Dict. ,*Spermatocide.
1881 Athenæum 11 June 787/1 M. Mathias Duval on *spermatogenesis.
1886 Encycl. Brit. XX. 412/1The process of spermatogenesis in the Bull, Dog, and Rabbit.
1978 P. J. Hogarth Biol. Reproduction ii. 11The final phase of spermatogenesis in the testes is known as spermiogenesis.., and consists of the progressive conversion, without division, of the spermatids into functional spermatozoa.
1980 Spermatogenesis . [ see spermiogenesis]
1886 Encycl. Brit. XX. 412/1Ascribing *spermatogenetic functions both to the spermatoblasts and to the round cells.
1880 Allman in Linn. Soc. Jrnl. ,Zool. XV. 136These I regard as the remains of the *spermatogenic tissue.
1980 Nature 10 Apr. 548/1 *Spermatogenically active testes.
1833 Dunglison Dict. Med. Sci. II. 312/2*Spermatology, a treatise on sperm.
1851 Dunglison Med. Lex. ,Spermatology, a treatise on sperm.
1970 B. A. Afzelius in B. Baccetti Compar. Spermatol. 568In spite of the great efforts to solve the problems in comparative spermatology we find ourselves confronted with more questions than answers.
1976 T. Sharpe Wilt iv. 32He got the Nobel prize for spermatology.
1886 Howes & Scott Huxley'sPract. Biol. 291The *spermatophoral gland or flagellum.
1851 Dunglison Med. Lex. ,*Spermatophorous, sperm-bearing. The cells or granules in the sperm have been so called.
1799 Monthly Rev. XXX. 521A curious restorative and *spermatopoeic sugar-candy of the Japanese.
1858 Mayne Expos. Lex. 1180/2*Spermatorrhœa,..seminal flux.
1879 T. Bryant Pract. Surg. II. 226Spermatorrhœa doubtless exists as a disease although rare.
1880 Q. Jrnl. Microsc. Sci. 83The term *spermatospore..is applied to the constituent cells of a testis, derived from the primitive germ-epithelium.
spermato-
before vowels spermat-, word-forming element meaning "seed, sperm," used from 1880s in scientific compounds, from comb. form of Greek sperma (genitive spermatos; see sperm).
ORIGIN: Greek , from spermat- , sperma sperm : see -o- .
spermato-
combining form. seed; sperm: Spermatocyte = a germ cell that produces spermatozoa. Spermatophyte = a plant that produces seeds.
[< Greek spérma, -atos sperm1]
spermato-
— see spermat-
— see spermat-
spermato-
Prefix
- Forms terms relating to seeds
- Forms terms relating to sperm
Etymology
From Ancient Greek σπέρμα, σπέρματος (spérma, spérmatos, “seed”).