Spermatozoon (redirect from Spermatozoid)
A spermatozoon (/spərˌmætəˈzoʊ.ən, ˌspɜːrmətə-/; also spelled spermatozoön; pl.: spermatozoa; from Ancient Greek σπέρμα (spérma) 'seed' and ζῷον (zôion) 'animal')...
34 KB (4,009 words) - 20:32, 16 September 2024
PMID 11743094. Manton, I; Clarke, B (1952). "An electron microscope study of the spermatozoid of Sphagnum". Journal of Experimental Botany. 3 (3): 265–275. doi:10...
19 KB (2,224 words) - 04:45, 3 January 2024
Fukui, Hirase discovered the spermatozoids of the ginkgo in January 1894, before Seiichiro Ikeno discovered the spermatozoids of the cycad. He is a laureate...
2 KB (236 words) - 22:05, 21 September 2024
It was in this garden that in 1894 Hirase Sakugoro the discovered spermatozoids of the ginkgo, proving that gymnosperms produce sperm cells. The garden...
141 KB (11,744 words) - 16:46, 18 October 2024
spermatidogenesis (meiosis II) four spermatids haploid (N) / 23 C / 23 spermiogenesis four functional spermatozoids haploid (N) / 23 C / 23 spermiation...
33 KB (3,731 words) - 10:15, 4 October 2024
PE, Tsai CW (June 2000). "Control of development and motility in the spermatozoids of lower plants". Gravitational and Space Biology Bulletin. 13 (2):...
12 KB (1,360 words) - 06:32, 23 September 2024
Carayon, J. 1959 Insémination par "spermalège" et cordon conducteur de spermatozoids chez Stricticimex brevispinosus Usinger (Heteroptera, Cimicidae). Rev...
69 KB (6,946 words) - 18:17, 6 October 2024
ISBN 978-90-5702-488-7. Ogura, Y. (1967). "History of Discovery of Spermatozoids In Ginkgo biloba and Cycas revoluta". Phytomorphology. 17: 109–114....
66 KB (7,027 words) - 23:18, 26 September 2024
hours spermatids male gametid haploid (N) / 23 1C / 23 spermiogenesis 24 days spermatozoids sperm haploid (N) / 23 1C / 23 spermiation 64 days (total)...
19 KB (2,091 words) - 17:57, 23 March 2024
Medicine in Brussels. Actually, the discovery was made by a mistake when a spermatozoid was put into the cytoplasm. Wikimedia Commons has media related to Assisted...
48 KB (5,497 words) - 03:01, 12 September 2024
is a combination of two factors: contribution of new symbionts by the spermatozoid and reduction division. That is fertilization. (b) A single factor exists:...
70 KB (7,519 words) - 23:55, 17 October 2024
eggs (ova), and smaller motile microgametes are sperm (spermatozoa, spermatozoids). The degree of motility of the sperm may be very limited (as in the...
40 KB (4,576 words) - 03:07, 9 October 2024
aesthetes, girdle, radula, gills, glands, egg hull projections, and spermatozoids. It includes all the living and extinct genera of chitons. Further resolution...
50 KB (4,840 words) - 22:51, 16 October 2024
Carayon, J. 1959 Insémination par "spermalège" et cordon conducteur de spermatozoids chez Stricticimex brevispinosus Usinger (Heteroptera, Cimicidae). Rev...
36 KB (4,174 words) - 19:00, 3 July 2024
applications. Various microorganisms, including bacteria, microalgae, and spermatozoids, have been utilised to fabricate different biohybrid microswimmers with...
29 KB (4,203 words) - 14:38, 4 October 2024
Dispermatozoideae. These sections were based on the different number of spermatozoids the antheridial (male sex organ containing) cell expresses. This classification...
64 KB (6,295 words) - 04:35, 3 March 2024
of each of these groups are large and multi-flagellated. The mature spermatozoids of the fern Asplenium onopteris are 8 to 8.5 micrometers in length and...
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clinic, instigating in the genetic analysis of embryos, ovules and spermatozoids. The same year, the first baby was born after the adoption of an embryo...
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cell wall and perhaps avoiding multiple fertilization by inhibiting spermatozoid movement. According to the Carbon Nutrient Balance Model, phlorotannins...
26 KB (2,816 words) - 22:03, 4 September 2024
associated with photoperiodism. Gametophytes produce male gametes – spermatozoids and female gametes – carpogonia (which are essentially identical to...
31 KB (3,188 words) - 22:27, 23 July 2024
Augustin Dangeard in 1901 through his comparative studies on zoospores and spermatozoids. He used the term to refer to a filamentous structure that connected...
11 KB (1,261 words) - 10:19, 21 September 2024
Manton, I., Clarke, B. (1952) "An electron microscopic study of the spermatozoid of Sphagnum." J Exp. Botany, Vol 3, pp 265- DOI: 10.1093/jxb/3.3.265...
19 KB (1,776 words) - 08:29, 13 September 2024
Tenerife; their vegetation. Die Spermatozoiden im Pflanzenreich, 1864 – The spermatozoid in the plant kingdom. The standard author abbreviation Schacht is used...
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centrality of a condom in the design and the surrounding "halo of hearts and spermatozoids" made the design controversial, and he withdrew his design from the...
11 KB (1,273 words) - 02:15, 15 July 2024
of the adenine nucleotide translocator isoform 4 gene and its role in spermatozoid glycolytic metabolism". Gene. 487 (1): 38–45. doi:10.1016/j.gene.2011...
13 KB (1,608 words) - 13:50, 13 August 2023
priority dispute between Hartsoeker and Leeuwenhoek over the discovery of spermatozoids. In 1677, Hartsoeker met Christiaan Huygens and initiated him in the...
8 KB (694 words) - 08:35, 9 February 2024
the homogeneous ultrastructure of the scales. Some characters of the spermatozoids like the presence of supernumerary membranes also justify a close relationship...
6 KB (698 words) - 20:00, 10 November 2022
the weight has been recorded up to 14 kilograms (31 lb); the eggs and spermatozoids are visible to the naked eye. The cones persist on the plant for many...
20 KB (2,332 words) - 11:24, 20 February 2024
129–134. Raven Press, New York. Brokaw, C.J. (1958) Chemotaxis of bracken spermatozoids. The role of bimalate ions. J. Exp. Zool. 35, 192–196. Zatylny, C.,...
29 KB (3,524 words) - 17:01, 4 January 2024
1873–1877) and received a gold medal for his work “On Development of Spermatozoids of Vertebrates”. After graduation he stayed at the institute for a degree...
4 KB (383 words) - 23:06, 16 September 2024