| ACROSOME | • acrosome n. A structure forming the end of the head of a spermatozoon. • ACROSOME n. a thin sac at the head of the sperm. |
| AUTOSOME | • autosome n. (Genetics) Any chromosome other than sex chromosomes. • AUTOSOME n. a chromosome other than a sex chromosome. |
| CYTOSOME | • cytosome n. (Biology, uncountable) The cytoplasm within a cell; the cell outside of the nucleus. • cytosome n. (Biology, countable) A type of cellular organelle which is enclosed by a membrane. • CYTOSOME n. the part of a cell outside the nucleus. |
| ENDOSOME | • endosome n. (Biology) An endocytic vacuole through which molecules internalized during endocytosis pass en route to lysosomes. • ENDOSOME n. a cellular particle. |
| EXPOSOME | • exposome n. A measure of the effects of life-long environmental exposures on health. • EXPOSOME n. a collection of environmental factors, such as stress and diet, to which an individual is exposed and which can have an effect on health. |
| GONOSOME | • gonosome n. (Zoology) The reproductive zooids of a hydroid colony, collectively. • gonosome n. A synonym for sex chromosome. • GONOSOME n. the group of individuals in a colony who reproduce. |
| LIPOSOME | • liposome n. (Biochemistry) An aqueous compartment enclosed by a bimolecular membrane, typically of phospholipid; a lipid vesicle. • LIPOSOME n. a microscopic globule composed of lipids. |
| LYSOSOME | • lysosome n. (Cytology) An organelle found in all types of animal cells which contains a large range of digestive… • LYSOSOME n. a saclike part of a cell. |
| MEROSOME | • merosome n. (Biology) Any of the segments of a segmented animal. • MEROSOME n. one of the serial segments of which a body is composed, also MEROME. |
| MESOSOME | • mesosome n. A folded invagination in the plasma membrane of bacteria, produced by the chemical fixation techniques… • mesosome adj. Average-bodied; neither broad nor narrow in proportion to height or length. • MESOSOME n. a convoluted invagination of the cell wall in some bacteria. |
| MONOSOME | • monosome n. The chromosome whose homologous counterpart is missing in monosomy. • MONOSOME n. an unpaired chromosome. |
| PYROSOME | • pyrosome n. Any of several pelagic colonial tunicates, of the genus Pyrosoma, found in tropical waters. • PYROSOME n. a type of thermostat. |
| RIBOSOME | • ribosome n. (Biology, cytology) A small organelle found in all cells; involved in the production of proteins by… • RIBOSOME n. a particle composed of protein and RNA. |
| TWOSOMES | • twosomes n. Plural of twosome. • TWOSOME n. a pair of two. |
| UROSOMES | • urosomes n. Plural of urosome. • UROSOME n. the abdomen, or post-abdomen, of arthropods. |