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Chapter
A Freeze-Fracture Study on Epididymal and Ejaculated Spermatozoa of Macaca Fascicularis
Observations on the distribution and organization of particles in spematozoa from the epididymis have been made on the opposum, Didelphis virginiana (4), the rat (6) the boar (7) and the brush-tailed opposum (8)....
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Chapter
Surface Changes in Monkey Spermatozoa During Epididymal Maturation and After Ejaculation
Studies on surface changes in mammalian spermatozoa during epididymal transit, as revealed by cytochemical technics or lectin-binding, has mainly involved domestic and laboratory animals (1–8). As an extension...
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Chapter
Comparative Histo-Enzymatic Study of Spermatozoa in Monkey and Mouse
Enzyme activities have been demonstrated in mammalian spermatozoa (2, 3, 5, 6) but no comparative study has yet been made on changes in these activities during spermatozoon epididymal transit. The aim of this ...
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Article
Electron microscopic study of the mandibular glands of Kalotermes flavicollis Fabr. (Isoptera; Calotermitidae)
The mandibular glands of Kalotermes were examined in different castes. They showed sexual dimorphism in the soldiers and primary reproductives. Moreover, in female soldiers and queens, mandibular gland cells cont...
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Article
Contribution à l'étude infrastructurale du système neurosécréteur rétrocérébral chez Locusta migratoria migratorioides (R. et F.)
An ultrastructural study of the corpora cardiaca of Locusta migratoria migratorioides shows three neurosecretory fiber types in the neurohaemal part of these organs; only one cellular type constitutes the intrins...
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Article
Contribution à l'étude infrastructurale du système neurosécréteur rétrocérébral chez Locusta migratoria migratorioides (R. et F.)
An ultrastructural study of the nervi corporis cardiaci and nervi corporis allati, which are part of the retrocerebral neurosecretory system of Locusta migratoria migratorioides, reveals the existence of three ne...
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Article
Pléomorphisme mitochondrial dans les corpora allata de Locusta migratoria migratorioides (R. et F.) au cours de la vie imaginale
In the corpora allata of Locusta, each sexual type, and even each physiological state in the female reproductive cycle, are characterized by dinstinctive types of mitochondria.
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Article
Étude infrastructurale et genèse de la volumineuse inclusion des cellules acidophiles des glandes salivaires de Limnaea stagnalis L. (Gastéropode Pulmoné)
The salivary glands of fresh water pond snails contain cells which are characterized by a voluminous inclusion body, homogeneous and opaque in laboratory reared animals, granular and less dense in wild populat...