pits, cell-membrane – caveolae – glycocalyx – intercellular junctions – adherens junctions – desmosomes – gap junctions – plasmodesmata – synapses – neuroeffector junction – neuromuscular junction – motor endplate – presynaptic terminals – synaptic membranes – tight junctions – membrane microdomains – caveolae – myelin sheath – nuclear envelope – nuclear lamina – phycobilisomes – ranvier's nodes – erythrocyte membrane – intracellular membranes – mitochondrial membranes – nuclear envelope – purple membrane – sarcolemma – synaptic membranes – cell surface extensions – axons – growth cones – cellulosomes – cilia – dendrites – dendritic spines – growth cones – fimbriae, bacterial – flagella – sperm tail – microvilli – neurites – growth cones – pili, sex – pseudopodia – cell wall – cell wall skeleton – chromosomes – chromosomes, archaeal – chromosomes, artificial – chromosomes, artificial, bacterial – chromosomes, artificial, mammalian – chromosomes, artificial, human – chromosomes, artificial, p1 bacteriophage – chromosomes, artificial, yeast – chromosomes, bacterial – chromosomes, artificial, bacterial – chromosomes, fungal – chromosomes, artificial, yeast – chromosomes, mammalian – chromosomes, artificial, mammalian – chromosomes, artificial, human – chromosomes, human – chromosomes, artificial, human – chromosomes, human, 1-3 – chromosomes, human, pair 1 – chromosomes, human, pair 2 – chromosomes, human, pair 3 – chromosomes, human, 4-5 – chromosomes, human, pair 4 – chromosomes, human, pair 5 – chromosomes, human, 6-12 and x – chromosomes, human, pair 6 – chromosomes, human, pair 7 – chromosomes, human, pair 8 – chromosomes, human, pair 9 – philadelphia chromosome – chromosomes, human, pair 10 – chromosomes, human, pair 11 – chromosomes, human, pair 12 – chromosomes, human, x – chromosomes, human, 13-15 – chromosomes, human, pair 13 – chromosomes, human, pair 14 – chromosomes, human, pair 15 – chromosomes, human, 16-18 – chromosomes, human, pair 16 – chromosomes, human, pair 17 – chromosomes, human, pair 18 – chromosomes, human, 19-20 – chromosomes, human, pair 19 – chromosomes, human, pair 20 – chromosomes, human, 21-22 and y – chromosomes, human, pair 21 – chromosomes, human, pair 22 – philadelphia chromosome – chromosomes, human, y – chromosomes, plant – isochromosomes – ring chromosomes – sex chromosomes – sex chromatin – x chromosome – chromosomes, human, x – y chromosome – chromosomes, human, y – extracellular space – extracellular fluid – extracellular matrix – glomerular basement membrane – microfibrils – zona pellucida – periplasm – inclusion bodies – erythrocyte inclusions – heinz bodies