Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of or pertaining to acrosomes

Etymologies

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Examples

  • Sperm with large, round heads may lack the acrosomal cap, the packet of enzymes that allow sperm to penetrate and fertilize the egg.

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  • Seminiferous tubules showed disruption of the normal spermatogenic cycle with abnormal acrosomal development on round spermatids, clumping of acrosomes, misaligned spermatids and the absence of normal elongated spermatids in Ehd1 -/- males.

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  • Huttner KM, Pudney J, Milstone DS, Ladd D, Seidman JG (1993) Flagellar and acrosomal abnormalities associated with testicular HSV-tk expression in the mouse.

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  • A dose dependent increase in acrosomal exocytosis was observed when capacitated sperm were incubated with recombinant 'ZP domain' of human ZP1.

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  • FITC - labelled 'ZP domain' of ZP1 binds primarily to the acrosomal cap of the capacitated human spermatozoa.

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  • Baculovirus-expressed, nickel-nitrilotriacetic acid affinity chromatography purified 'ZP domain' of human ZP1 was employed to assess its capability to bind and subsequently induce acrosomal exocytosis in capacitated human spermatozoa using tetramethyl rhodamine isothiocyanate conjugated Pisum sativum Agglutinin in absence or presence of various pharmacological inhibitors.

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  • Absence of CD46 protein expression is associated with acrosomal instability in rodents.

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  • Zhao L, Burkin HR, Shi X, Li L, Reim K, et al. (2007) Complexin I is required for mammalian sperm acrosomal exocytosis.

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  • Inhibitory effect of αSNAP. M105I on the acrosomal exocytosis of permeabilized normal mouse and human sperm.

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  • Moreover, the special features of the acrosomal exocytosis have proven useful to study several aspects of the secretion process that are more difficult to assess in other cells

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