What are the differences between the key features of the Innate and adaptive immunity Innate immune system Adaptive immune system Key components Physical and Biochemical barriers, Complements, Antigen presenting cells, Granulocytes, NK cells B cells, T cells, Immunoglobulins Genetics Germline…
Distinguish between spermatogonia type A and type B Spermatogonia A dark (Ad) Spermatogonia A pale (Ap) Spermatogonia B Ovoid nuclei Ovoid nuclei Spherical Nuclei Densely staining basophilic chromatin Lightly staining chromatin – Finely granular chromatin Finely granular chromatin Condensed chromatin…
State the structural differences in parietal cells between its active and inactive forms Active parietal cell Inactive parietal cell Microvilli in canaliculi Increased Decreased Tubulovesicular system Reduced in number or disappear as they are inserted into the cell membrane Present…
Distinguish between arteries and veins histologically Arteries Veins Layers Tunica intima, media, and adventitia Tunica intima, media, and adventitia Internal elastic membrane Prominent Less prominent or absent Smooth muscle Prominent in muscular arteries Present Elastic lamellae Prominent in elastic arteries…