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The blood-testis barrier: its biology, regulation, and ...

The blood-testis barrier (BTB) in mammals, such as rats, is composed of the tight junction (TJ), the basal ectoplasmic specialization (basal ES), the basal tubulobulbar complex (basal TBC) (both are testis-specific actin-based adherens junction [AJ] types), and the desmosome-like junction that are p …

Basal Testis - Image Results

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Testis Histology - Complete Guide to Learn Histological ...

Basal lamina or lamina propria at seminiferous tubule of testis Let’s find these structures and cells from the testis histology slide labeled diagram. Hope this testis labeled slide will help you to understand the complete testis histological structures.

Cancer-testis antigens and immunosurveillance in human ...

Cancer-testis antigens and immunosurveillance in human cutaneous squamous cell and basal cell carcinomas Clin Cancer Res . 2010 Jul 15;16(14):3562-70. doi: 10.1158/1078-0432.CCR-09-3136.

Movement of spermatocytes from the basal to the adluminal ...

The progressive movement of primary spermatocytes from the basal to the adluminal compartment of the seminiferous tubule was studied after testes were fixed with standard and hypertonic solutions. In stages VI, VII and VIII of the cycle (classification of Leblond and Clermont, '52), preleptotene spe …

Epididymis: Anatomy and histology | Kenhub

The microvilli on these cells serve to resorb fluid from the testicular secretion. These cells also secrete glycoproteins which help in the maturation process of spermatozoa. Basal cells also appear on the entire epididymis. They lie at the base and are considered precursors of the principal cells.

The Blood-Testis Barrier and Its Implications for Male ...

II. Spermatogenesis and the Blood-Testis Barrier. Spermatogenesis that takes place in the seminiferous epithelium (Fig. 2) is composed of a series of cellular events and can be divided as follows (Fig. 4): 1) spermatogonial renewal and proliferation via mitosis and differentiation; 2) cell cycle progression from type B spermatogonia to preleptotene spermatocytes, which takes place in the basal ...

Histology

These cells envelope the developing sperm cells. They are joined to one another by junctional complexes and form the blood-testis barrier . This barrier separates the germinal epithelium into a basal compartment , containing Sertoli cells and diploid germ cell precursors, and an adluminal compartment , which contains the products of meiosis.

Biology and regulation of ectoplasmic specialization, an ...

In the testis, Src and its activated form, p-Src, are both localized to the basal ES and apical ES in the seminiferous epithelium, with p-Src more predominant at the apical ES [95, 114].β-Catenin becomes highly phosphorylated in Src transfected cells indicating it is a putative substrate of Src protein kinases .

Ca(2+)-Calmodulin regulation of testicular androgen ...

To examine whether basal steroidogenesis is modulated by Ca(2+) and CaM levels in the testis of Mozambique tilapia (Oreochromis mossambicus) we have incubated testicular fragments in vitro under different conditions and analyzed steroid output.