gsc international

pine (gymnosperms) ovulate cone; showing axis cone with ovuliferous scales and bracts; longitudinal section

pipette safety filler bulb.

nitrogen fixing bacteria – azotobacter and rhizobium leguminosarum; smear; gram-negative

coccus; smear; gram-negative

lilium anther, first meiotic division; cross section

microscope slide with specimen showing zea mays (corn) stem, typical monocot stem, longitudinal section. for student biology education.

thermal conductivity bar for physical science demonstrations

coccus; smear; gram-positive

obelia hydroids; whole-mount

tongue, human; longitudinal section

jejunum, mammalian; showing plicae circulares; section

colon, mammalian; showing typical histology structures; cross section

slide, ascaris and onion mitosis; section

lymph node, mammalian; section

medium-sized artery and vein, mammalian; cross section

red bone marrow, mammalian; showing giant blood cells; section; h&e stain

sperm, mammalian; smear

sunflower (helianthus) young stem; cross section

moss antheridia; longitudinal section

basswood (tilia) two years stem; cross section