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[Sexual dimorphism in rat submaxillary gland].
M L Rins de David1, A Caceres, A Goldraij
1Universidad de Córdoba e I.N.I.M.E.C. (CONICET), Argentina.
Acta Odontologica Latinoamericana : AOL
|January 1, 1990
Summary
Sexual dimorphism (SDM) is evident in rat submaxillary glands, with male granular tubules being larger than female ones. Hormonal treatments like testosterone and estradiol influence these sexually dimorphic tubular structures.
Area of Science:
- Endocrinology
- Histology
- Morphology
Context:
- Submaxillary glands exhibit sexual dimorphism (SDM) in Wistar rats.
- Investigating morphological differences in male and female rat submaxillary glands.
Purpose:
- To quantitatively assess SDM in rat submaxillary gland tubules and acini.
- To evaluate the impact of castration and sex hormone treatments on these structures.
Summary:
- Male Wistar rats aged 60 days showed significantly larger granular tubules than females.
- Castration reduced tubular tissue in males, while testosterone reconstituted it.
- Estradiol benzoate reduced tubular size in ovariectomized females, confirming hormonal influence on SDM.
Impact:
- Provides morphological evidence of SDM in the submaxillary gland.
- Highlights the role of sex hormones in regulating the development and maintenance of these glands.