Matches in SemOpenAlex for { <https://semopenalex.org/work/W2007463119> ?p ?o ?g. }
Showing items 1 to 92 of
92
with 100 items per page.
- W2007463119 endingPage "981" @default.
- W2007463119 startingPage "974" @default.
- W2007463119 abstract "A light microscope and ultrastructural study was made of the pollen tube of Ginkgo biloba , with special emphasis given to the spermatogenous cell that gives rise to two motile sperms. Just prior to the mitotic division that results in the formation of two sperms, the spermatogenous cell consists of a large nucleus, two blepharoplasts, two large osmiophilic globules, and a conspicuous lipo‐protein body. Other organelles in the cytoplasm include numerous electron‐dense proplastids (with some lamellar development), mitochondria, small vacuoles, and lipid bodies. Ribosomes are present in abundance, but endoplasmic reticulum and dictyosomes are sparse. The nucleus, prior to mitosis, is relatively Feulgen‐negative, due undoubtedly to the diffuse distribution of DNA. Each blepharoplast, the main organelle of interest, is nearly spherical, measures 3.5–4.5 μm in diam, and supports about 1,000 probasal bodies. The interior of a blepharoplast consists of an electron‐dense matrix and of less dense regions which appear to be infiltrated by a network of microtubules. Each probasal body is composed of a cylinder of nine separate tubules (singlets) at the basal or proximal end. The cylinder becomes elaborated distally into nine pairs of subtubules (doublets) and then into nine sets of subtubules (triplets). A central tubule is present the entire length of the probasal body. Some of the subtubules, as well as microtubules from the interior of the blepharoplast, extend into the cytoplasm and probably constitute the “astral rays” as seen with the light microscope. Comparisons are made with other published accounts of the organization of blepharoplasts in plants and of centrosomes and centrioles in animals." @default.
- W2007463119 created "2016-06-24" @default.
- W2007463119 creator A5068333249 @default.
- W2007463119 creator A5078706922 @default.
- W2007463119 date "1975-10-01" @default.
- W2007463119 modified "2023-10-16" @default.
- W2007463119 title "LIGHT MICROSCOPE AND ULTRASTRUCTURAL STUDIES OF THE MALE GAMETOPHYTE IN GINKGO BILOBA: THE SPERMATOGENOUS CELL" @default.
- W2007463119 cites W1982883475 @default.
- W2007463119 cites W1987713079 @default.
- W2007463119 cites W2012931395 @default.
- W2007463119 cites W2027340988 @default.
- W2007463119 cites W2033395374 @default.
- W2007463119 cites W2066872678 @default.
- W2007463119 cites W2067554738 @default.
- W2007463119 cites W2088056852 @default.
- W2007463119 cites W2092620925 @default.
- W2007463119 cites W2109401564 @default.
- W2007463119 cites W2149457357 @default.
- W2007463119 cites W2152864434 @default.
- W2007463119 cites W4248297393 @default.
- W2007463119 cites W4248321105 @default.
- W2007463119 doi "https://doi.org/10.1002/j.1537-2197.1975.tb14138.x" @default.
- W2007463119 hasPublicationYear "1975" @default.
- W2007463119 type Work @default.
- W2007463119 sameAs 2007463119 @default.
- W2007463119 citedByCount "25" @default.
- W2007463119 countsByYear W20074631192017 @default.
- W2007463119 countsByYear W20074631192019 @default.
- W2007463119 crossrefType "journal-article" @default.
- W2007463119 hasAuthorship W2007463119A5068333249 @default.
- W2007463119 hasAuthorship W2007463119A5078706922 @default.
- W2007463119 hasConcept C102568950 @default.
- W2007463119 hasConcept C104317684 @default.
- W2007463119 hasConcept C105702510 @default.
- W2007463119 hasConcept C115811362 @default.
- W2007463119 hasConcept C119062480 @default.
- W2007463119 hasConcept C120665830 @default.
- W2007463119 hasConcept C121332964 @default.
- W2007463119 hasConcept C131151476 @default.
- W2007463119 hasConcept C158617107 @default.
- W2007463119 hasConcept C168240541 @default.
- W2007463119 hasConcept C190062978 @default.
- W2007463119 hasConcept C20418707 @default.
- W2007463119 hasConcept C25095133 @default.
- W2007463119 hasConcept C2780723820 @default.
- W2007463119 hasConcept C55493867 @default.
- W2007463119 hasConcept C86803240 @default.
- W2007463119 hasConcept C87555872 @default.
- W2007463119 hasConcept C93304396 @default.
- W2007463119 hasConcept C93877712 @default.
- W2007463119 hasConcept C95444343 @default.
- W2007463119 hasConceptScore W2007463119C102568950 @default.
- W2007463119 hasConceptScore W2007463119C104317684 @default.
- W2007463119 hasConceptScore W2007463119C105702510 @default.
- W2007463119 hasConceptScore W2007463119C115811362 @default.
- W2007463119 hasConceptScore W2007463119C119062480 @default.
- W2007463119 hasConceptScore W2007463119C120665830 @default.
- W2007463119 hasConceptScore W2007463119C121332964 @default.
- W2007463119 hasConceptScore W2007463119C131151476 @default.
- W2007463119 hasConceptScore W2007463119C158617107 @default.
- W2007463119 hasConceptScore W2007463119C168240541 @default.
- W2007463119 hasConceptScore W2007463119C190062978 @default.
- W2007463119 hasConceptScore W2007463119C20418707 @default.
- W2007463119 hasConceptScore W2007463119C25095133 @default.
- W2007463119 hasConceptScore W2007463119C2780723820 @default.
- W2007463119 hasConceptScore W2007463119C55493867 @default.
- W2007463119 hasConceptScore W2007463119C86803240 @default.
- W2007463119 hasConceptScore W2007463119C87555872 @default.
- W2007463119 hasConceptScore W2007463119C93304396 @default.
- W2007463119 hasConceptScore W2007463119C93877712 @default.
- W2007463119 hasConceptScore W2007463119C95444343 @default.
- W2007463119 hasIssue "9" @default.
- W2007463119 hasLocation W20074631191 @default.
- W2007463119 hasOpenAccess W2007463119 @default.
- W2007463119 hasPrimaryLocation W20074631191 @default.
- W2007463119 hasRelatedWork W1970723535 @default.
- W2007463119 hasRelatedWork W1972849228 @default.
- W2007463119 hasRelatedWork W1979365145 @default.
- W2007463119 hasRelatedWork W2023596299 @default.
- W2007463119 hasRelatedWork W2094829070 @default.
- W2007463119 hasRelatedWork W2143190270 @default.
- W2007463119 hasRelatedWork W2387578572 @default.
- W2007463119 hasRelatedWork W2419349849 @default.
- W2007463119 hasRelatedWork W3159607164 @default.
- W2007463119 hasRelatedWork W755786774 @default.
- W2007463119 hasVolume "62" @default.
- W2007463119 isParatext "false" @default.
- W2007463119 isRetracted "false" @default.
- W2007463119 magId "2007463119" @default.
- W2007463119 workType "article" @default.