Biology Dictionary

  • Chitinous

    Chitinous

    Relating to or containing chitin, often referring to the tough, protective exoskeletons of arthropods and other organisms.

  • Chl

    Chl

    Abbreviation for chlorophyll, the green pigment in plants responsible for photosynthesis.

  • Chlorenchyma

    Chlorenchyma

    The tissue in plants that contains chloroplasts and is involved in photosynthesis, typically found in the mesophyll of leaves.

  • Chlorine (Cl)

    Chlorine (Cl)

    A halogen element, symbol Cl, that is commonly used in disinfectants and is found in nature as part of salts like sodium chloride.

  • Chlorophyll (Chl)

    Chlorophyll (Chl)

    A green pigment found in plants, algae, and cyanobacteria that is essential for photosynthesis, enabling organisms to absorb light energy.

  • Chloroplast

    Chloroplast

    Organelles in plant cells and algae that contain chlorophyll and are the sites of photosynthesis.

  • Choana

    Choana

    The internal nostril of vertebrates, located at the junction of the nasal cavity and the pharynx.

  • Cholemesis

    Cholemesis

    The presence of bile in the vomit, typically indicating a gastrointestinal problem.

  • Cholera

    Cholera

    An infectious disease caused by the bacterium Vibrio cholerae, characterized by severe diarrhea and dehydration, often leading to death if untreated.

  • Cholesterol

    Cholesterol

    A lipid molecule found in animal cell membranes, and a precursor for steroid hormones, bile acids, and vitamin D.