gsc international

kidney, mammalian; longitudinal section; showing renal pelvis, calyces, cortex, and medulla

prepared microscope slide, vorticella (ciliate, peritrich)

pine (gymnosperms) young root; cross section

pine (gymnosperms) young stem; cross section

corynebacterium diphtheriae, rod-shaped; smear; gram-positive

haemophilus (gram-negative) and streptoccus pneumoniae (gram-positive); smear

laminaria (phaeophyta brown algae); cross section

vibrio cholerae; smear

cotton, textile fibers; whole-mount - microscope slide

cyclops (arthropod, crustacean); whole-mount

lung, human; showing alveoli; section

slide, aspergillus, highly aerobic brown mold; whole-mount

grantia (scypha); longitudinal section

frog testis; section; ih stain

microscope slide, rhizopus sporangia; whole-mount

earthworm (anellids); cross section

microscope slides - zea mays (corn) leaf; cross section

medium-sized artery and vein, human; cross section

jejunum, human; showing plicae circulares; section

gallbladder, mammalian; showing simple columnar epithelium, serosa, and muscular layer; section