basal cell carcinoma: peripherally “palisading nuclei” and hyperchromatic dense nuclei.
Ewing sarcoma
Osteosarcoma
healthy man who has a testicular mass. An area of normal tissue from the biopsy is shown، which cell A and which cell B:
spermatogonia (cell A), spermatids (cell B)
A. Peroxisome
B. Mitochondria
C.rough endoplasmatic reticulmum
D. Endoplasm
E. Ribosomes