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Sertoli cells secrete 
Androgenbinding protein (ABP), inhibin, and MIS
The fluid in the lumen of the seminiferous tubules is quite different from plasma; it contains very little protein and glucose but is rich in androgens, estrogens, K+ , inositol, glutamic and aspartic acids.  Maintenance of its composition depends on the blood–testis barrier.

#Unit 7. System Physiology – Animal #Male reproductive physiology #Part B Pointers
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TLS Online TPP Program

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#Unit 5. Developmental Biology

B cell properties 
They are APCs
They can express MHC2
Have surface marker  CD19
Antibodies at surface of b cell – IgM, IgD
Part of Adaptive immunity 
B cell convert into plasma cell

TLS Online TPP Program

#Id: 7240

#Unit 5. Developmental Biology

Surface protein on B cell
CR2(CR21)
CD19
TAPA-1(CD81)
mIg 
Igα/ Igβ
(CD79a and CD79B)
TLR
CD40
B7 (CD80/86)
ICAM-1
MHC-1 and 2
CD 22

TLS Online TPP Program

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#Unit 5. Developmental Biology

Formation of mature B-cell


TLS Online TPP Program

#Id: 7242

#Unit 5. Developmental Biology

Progress through their developmental program


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#Unit 5. Developmental Biology


TLS Online TPP Program

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#Unit 5. Developmental Biology

B-Cell Development


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