apical meristem - apical meristem A meristem (embryonic...

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apical meristem A meristem (embryonic tissue) at the tip of a shoot or root that is responsible for increasing the plant's length. apnea A disorder in which breathing stops for periods longer than 10 seconds during sleep; can be caused by failure of the automatic respiratory center to respond to elevated blood levels of carbon dioxide. apocrine glands Sweat glands that are located primarily in the armpits and groin area; larger than the more widely distributed eccrine glands. appendicular skeleton The bones of the appendages (wings, legs, and arms or fins) and of the pelvic and pectoral girdles that join the appendages to the rest of the skeleton; one of the two components of the skeleton of vertebrates. appendix Blind sac at the end of the large intestine that usually ruptures during final exams; a vestigial organ in humans. Archaea Proposed, but not widely accepted, sixth taxonomic kingdom that would include the archaebacteria. Archaebacteria
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