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In morphology and lexicography, a lemma (pl.: lemmas or lemmata) is the canonical form, [1] dictionary form, or citation form of a set of word forms. [2] In English, for example, break , breaks , broke , broken and breaking are forms of the same lexeme , with break as the lemma by which they are indexed.
Lemma is a phytomorphological term referring to a part of the spikelet. It is the lowermost of two chaff -like bracts enclosing the grass floret . The lemma often bears a long bristle called an awn , and may be similar in form to the glumes , which are chaffy bracts at the base of each spikelet.
Lemma (morphology), the canonical, dictionary or citation form of a word; Lemma (psycholinguistics), a mental abstraction of a word about to be uttered;
Adjectives vary according to gender, and in most cases only the lemma form (nominative singular masculine form) is listed here. 1st-and-2nd-declension adjectives end in -us (masculine), -a (feminine) and -um (neuter), whereas 3rd-declension adjectives ending in -is (masculine and feminine) change to -e (neuter).
The sarcolemma (sarco (from sarx) from Greek; flesh, and lemma from Greek; sheath), also called the myolemma, is the cell membrane surrounding a skeletal muscle fibre or a cardiomyocyte. [ 1 ] [ 2 ] It consists of a lipid bilayer and a thin outer coat of polysaccharide material ( glycocalyx ) that contacts the basement membrane .
2. In the Poaceae, an appendage terminating or on the back of glume s or lemma s of some grass spikelet s. 3. In the Geraniaceae, the part of the style that remains attached to the carpel that separates from the carpophore (column). 4. A generally straight, stiff pappus element, varying from stiffly bristle-like to hard and needle-like.
Burnside's lemma also known as the Cauchy–Frobenius lemma; Frattini's lemma (finite groups) Goursat's lemma; Mautner's lemma (representation theory) Ping-pong lemma (geometric group theory) Schreier's subgroup lemma; Schur's lemma (representation theory) Zassenhaus lemma
There are two other types of bracts in the spikelets of grasses: the lemma and palea. In grasses, two bracts known as "glumes" form the lowermost organs of a spikelet (there are usually two but one is sometimes reduced; or rarely, both are absent). [1] Glumes may be similar in form to the lemmas, the bracts at the base of each floret.