| axolemma | (noun) outer membrane covering an axon | - |
|---|
| dilemma | (noun) state of uncertainty or perplexity especially as requiring a choice between equally unfavorable options | Synonyms: quandary |
|---|
| gemma | (noun) small asexual reproductive structure in e.g. liverworts and mosses that detaches from the parent and develops into a new individual | - |
|---|
| lemma | (noun) a subsidiary proposition that is assumed to be true in order to prove another proposition | - |
|---|
| (noun) the heading that indicates the subject of an annotation or a literary composition or a dictionary entry | - |
| (noun) the lower and stouter of the two glumes immediately enclosing the floret in most Gramineae | Synonyms: flowering glume |
| neurilemma | (noun) thin membranous sheath around a nerve fiber | Synonyms: neurolemma |
|---|
| neurolemma | (noun) thin membranous sheath around a nerve fiber | Synonyms: neurilemma |
|---|
| sarcolemma | (noun) an extensible membrane enclosing the contractile substance of a muscle fiber | - |
|---|
| stemma | (noun) an eye having a single lens | Synonyms: ocellus, simple eye |
|---|
| (noun) the hereditary derivation of an individual | Synonyms: ancestry, blood, blood line, bloodline, descent, line, line of descent, lineage, origin, parentage, pedigree, stock |
| (noun) a tree diagram showing a reconstruction of the transmission of manuscripts of a literary work | - |