Search Results - "Bedford, J. M."

Site of the mammalian sperm physiological acrosome reaction by Bedford, J. M.

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Mammalian fertilization misread ? Sperm penetration of the eutherian zona pellucida is unlikely to be a lytic event by BEDFORD, J. M

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The status and the state of the human epididymis by Bedford, J M

“…As far as can be determined now, the general organization of the human epididymis, the regional character of its epithelium and luminal environment, and the…”
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Alternative sources of gametes: reality or science fiction? by Tsai, Ming C., Takeuchi, Takumi, Bedford, J.Michael, Reis, Marcos M., Rosenwaks, Zev, Palermo, Gianpiero D.

“…Although great progress has been made in both the investigation and treatment of infertility, a considerable number of patients still fail to conceive…”
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Mating-induced cumulus-oocyte maturation in the shrew, Suncus murinus by Kaneko, T, Iida, H, Bedford, JM, Oda, S, Mori, T

“…The musk shrew, Suncus murinus, is an induced ovulator, the cumulus oophorus of which is unusual in several respects: it has no matrix, it always induces the…”
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Regulated storage and subsequent transformation of spermatozoa in the fallopian tubes of an Australian marsupial, Sminthopsis crassicaudata by BEDFORD, J. M, BREED, W. G

“…The disposition of spermatozoa in the female tract of the dasyurid marsupial, Sminthopsis crassicaudata, was examined before and after ovulation, by…”
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Reproductive characteristics of the african pygmy hedgehog, atelerix albiventris by BEDFORD, J. M, MOCK, O. B, NAGDAS, S. K, WINFREY, V. P, OLSON, G. E

“…To obtain further perspective on reproduction and particularly gamete function among so-called primitive mammals presently grouped in the Order Insectivora, we…”
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Ovulation induction and gamete transport in the female tract of the musk shrew, Suncus murinus by Bedford, J M, Mori, T, Oda, S

“…The musk shrew Suncus murinus was studied with regard to induction of ovulation, the genesis and role of the vaginal copulation plug, and the behaviour of…”
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Significance of the need for sperm capacitation before fertilization in eutherian mammals by Bedford, J.M

“…In order to fertilize, the spermatozoa of eutherian mammals must undergo capacitation in the female tract. The subcellular changes involved in capacitation…”
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The unusual state of the cumulus oophorus and of sperm behaviour within it, in the musk shrew, Suncus murinus by Bedford, J M, Mori, T, Oda, S

“…In the musk shrew, Suncus murinus , the behaviour of the cumulus—egg complex and its interaction with spermatozoa were unusual in several respects. The cumulus…”
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Reproductive features of the eastern mole (Scalopus aquaticus) and star-nose mole (Condylura cristata) by Bedford, J M, Mock, O B, Nagdas, S K, Winfrey, V P, Olson, G E

“…Since moles are closely related to shrews, the gametes and reproductive tracts of the star-nose mole ( Condylura cristata ) and the eastern mole ( Scalopus…”
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Sperm/egg binding patterns and oocyte cytology in retrospective analysis of fertilization failure in vitro by Bedford, J M, Kim, H H

“…Failures of fertilization in in-vitro fertilization have been often linked to visually recognizable defects in spermatozoa, and occasionally to anti-sperm…”
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Assessment of a contrast medium as an adjunct to endodontic radiography by Bedford, J. M., Martin, D. M., Youngson, C. C.

“…Aim  To assess if a contrast medium improved diagnostic yield of endodontic radiographs. Methodology  Forty‐five extracted mandibular premolar teeth were…”
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Unusual ampullary sperm crypts, and behavior and role of the cumulus oophorus, in the oviduct of the least shrew, Cryptotis parva by BEDFORD, J. M, MOCK, O. B, PHILLIPS, D. M

“…The gametes of the least shrew, Cryptotis parva, were studied in regard to their maturation and structure, and with particular emphasis on their behavior in…”
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Epididymal storage at abdominal temperature reduces the time required for capacitation of hamster spermatozoa by Bedford, J M, Yanagimachi, R

“…The epididymis was reflected unilaterally or bilaterally to the abdomen in adult hamsters, leaving normally functioning testes in the scrotum. In unilateral…”
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The 'hybrid' character of the gametes and reproductive tracts of the African shrew, Myosorex varius, supports its classification in the Crocidosoricinae by Bedford, J M, Bernard, R T, Baxter, R M

“…The Soricidae are generally considered to comprise two subfamilies – Crocidurinae and Soricinae – each of which has distinctive reproductive characteristics…”
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Spermatozoa of the Shrew, Suncus murinus, Undergo the Acrosome Reaction and Then Selectively Kill Cells in Penetrating the Cumulus Oophorus by KANEKO, Takane, IIDA, Hiroshi, BEDFORD, John Michael, MORI, Takayuki

“…In the musk shrew, Suncus murinus (and other shrews), the cumulus oophorus is ovulated as a discrete, compact, matrix-free ball of cells linked by specialized…”
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Distinctive features of the gametes and reproductive tracts of the Asian musk shrew, Suncus murinus by BEDFORD, J. M, COOPER, G. W, PHILLIPS, D. M, DRYDEN, G. L

“…Insectivora are of special interest as the most primitive of the eutherian mammals, but essentially nothing is known of their gamete function. In this respect,…”
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Two modifiers of sperm transport within the Fallopian tube of the rat by Sultan, K M, Bedford, J M

“…In several mammals studied, ovulation appears to stimulate coordinated translocation of a few potential fertilizing spermatozoa to the ampulla from the caudal…”
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What marsupial gametes disclose about gamete function in eutherian mammals by Bedford, J M

“…The gametes of eutherian mammals present some fundamental enigmas in regard to their structure and behaviour that have not been solved by a focus on the…”
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