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Gerhard van der Horst

Showing results (11-20 of 26) with videos related to

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General and Comparative Endocrinology|May 20, 2021
The expression of type I and II gonadotropin-releasing hormone receptors transcripts in Vervet monkey (Chlorocebus aethiops) spermatozoaCharon de Villiers, Gerhard van der Horst, Chesa Chauke, et al.
International Journal of Fertility & Sterility|October 19, 2017
Revisiting The Relationship between The Ejaculatory Abstinence Period and Semen CharacteristicsBashir M Ayad, Gerhard Van der Horst, Stefan S Du Plessis
Theriogenology|July 15, 2017
Sperm structure and sperm motility of the African and Rockhopper penguins with special reference to multiple axonemes of the flagellumPatrick Siyambulela Mafunda, Liana Maree, Antoinette Kotze, et al.
Reproduction in Domestic Animals = Zuchthygiene|July 25, 2022
The in-vitro effect of gonadotropin-releasing hormones, GnRH-I and GnRH-II, on the motility, vitality and acrosome integrity of Vervet monkey (Chlorocebus aethiops) spermatozoaCharon de Villiers, Liana Maree, Arieh A Katz, et al.
BMC Evolutionary Biology|December 7, 2011
Sperm structure and motility in the eusocial naked mole-rat, Heterocephalus glaber: a case of degenerative orthogenesis in the absence of sperm competition?Gerhard van der Horst, Liana Maree, Sanet H Kotzé, et al.
Frontiers in Cell and Developmental Biology|November 5, 2019
Testicular Structure and Spermatogenesis in the Naked Mole-Rat Is Unique (Degenerate) and Atypical Compared to Other MammalsGerhard van der Horst, Sanet H Kotzé, M Justin O'Riain, et al.
Animal Reproduction Science|June 30, 2018
Bottlenose dolphin (Tursiops truncatus) sperm revisited: Motility, morphology and ultrastructure of fresh sperm of consecutive ejaculatesGerhard van der Horst, Katarina Medger, Daniela Steckler, et al.
Journal of Morphology|July 23, 2021
A possible highway system for the rapid delivery of sperm from the testis to the penis in the naked mole-rat, Heterocephalus glaberGerhard van der Horst, Sanet Kotzè, Mannus Justin O'Riain, et al.
Tissue & Cell|August 7, 2019
The importance of insect sperm: Sperm ultrastructure of Hermetia illucens (black soldier fly)Retha C M Kotzé, Nolan Muller, Lizette du Plessis, et al.
Reproduction, Fertility, and Development|March 26, 2019
Improved sperm motility after 4 h of ejaculatory abstinence: role of accessory sex gland secretionsDale Goss, Bashir Ayad, Gerhard van der Horst, et al.
Pageof 3

Showing results (11-20 of 26) with videos related to

Sort By:
Pageof 3
General and Comparative Endocrinology|May 20, 2021
The expression of type I and II gonadotropin-releasing hormone receptors transcripts in Vervet monkey (Chlorocebus aethiops) spermatozoaCharon de Villiers, Gerhard van der Horst, Chesa Chauke, et al.
International Journal of Fertility & Sterility|October 19, 2017
Revisiting The Relationship between The Ejaculatory Abstinence Period and Semen CharacteristicsBashir M Ayad, Gerhard Van der Horst, Stefan S Du Plessis
Theriogenology|July 15, 2017
Sperm structure and sperm motility of the African and Rockhopper penguins with special reference to multiple axonemes of the flagellumPatrick Siyambulela Mafunda, Liana Maree, Antoinette Kotze, et al.
Reproduction in Domestic Animals = Zuchthygiene|July 25, 2022
The in-vitro effect of gonadotropin-releasing hormones, GnRH-I and GnRH-II, on the motility, vitality and acrosome integrity of Vervet monkey (Chlorocebus aethiops) spermatozoaCharon de Villiers, Liana Maree, Arieh A Katz, et al.
BMC Evolutionary Biology|December 7, 2011
Sperm structure and motility in the eusocial naked mole-rat, Heterocephalus glaber: a case of degenerative orthogenesis in the absence of sperm competition?Gerhard van der Horst, Liana Maree, Sanet H Kotzé, et al.
Frontiers in Cell and Developmental Biology|November 5, 2019
Testicular Structure and Spermatogenesis in the Naked Mole-Rat Is Unique (Degenerate) and Atypical Compared to Other MammalsGerhard van der Horst, Sanet H Kotzé, M Justin O'Riain, et al.
Animal Reproduction Science|June 30, 2018
Bottlenose dolphin (Tursiops truncatus) sperm revisited: Motility, morphology and ultrastructure of fresh sperm of consecutive ejaculatesGerhard van der Horst, Katarina Medger, Daniela Steckler, et al.
Journal of Morphology|July 23, 2021
A possible highway system for the rapid delivery of sperm from the testis to the penis in the naked mole-rat, Heterocephalus glaberGerhard van der Horst, Sanet Kotzè, Mannus Justin O'Riain, et al.
Tissue & Cell|August 7, 2019
The importance of insect sperm: Sperm ultrastructure of Hermetia illucens (black soldier fly)Retha C M Kotzé, Nolan Muller, Lizette du Plessis, et al.
Reproduction, Fertility, and Development|March 26, 2019
Improved sperm motility after 4 h of ejaculatory abstinence: role of accessory sex gland secretionsDale Goss, Bashir Ayad, Gerhard van der Horst, et al.
Pageof 3