What is lobate margin?
Lobe-shaped; denoting a bacterial colony with a deeply undulate margin.
What does the word lobate mean?
Medical Definition of lobate 1 : having lobes. 2 : resembling a lobe. Other Words from lobate.
What is margin in bacterial colony?
Margin – Describes the shape of the edge of the colony when magnified. Common examples include entire (smooth), undulate (wavy), erose (serrated), filamentous, lobate, and curled. Surface – Describes how the surface of the colony looks. Examples include smooth, rough, glistening, dull, rugose, mucoid, viscous, etc.
What is a mucoid colony?
mu·coid col·o·ny. a colony showing viscous or sticky growth typical of an organism producing large quantities of a carbohydrate capsule.
What is Punctiform in microbiology?
Tiny colonies are referred to as punctiform. Elevation – this describes the side view of a colony. Turn the Petri dish on end. Margin/border – the edge of a colony.
What is Butyrous consistency?
Butyrous (butyrum means “buttery”) colonies have the consistency of melted butter. This colony was almost liquid in texture, something that is demonstrated by its contact with the yellow colony to its right.
What is Pulvinate?
Definition of pulvinate 1 : curved convexly or swelled a pulvinate frieze. 2a : cushion-shaped.
What is Erose?
Definition of erose : irregular, uneven specifically : having the margin irregularly notched an erose leaf.
What is the margin of E coli?
Table 2
| Bacterial isolates | Colour on nutrient agar | Margin |
|---|---|---|
| Escherichia coli | Mucoid | Entire |
| Serratia | Mucoid | Entire |
| Leuconostoc | Light yellow | Entire |
| Micrococcus | Bright Yellow | Entire |
What does mucoid mean in microbiology?
(Entry 1 of 2) 1 : resembling mucus. 2 : forming large moist sticky colonies —used of dissociated strains of bacteria. mucoid.
What are Punctiform colonies?
Punctiform colonies are distinguished from circular colonies by their very small size. Spindle colonies are lens-shaped. 3. Elevation. There are no clear distinctions among raised, convex, and pulvinate.
What is the purpose of a streak plate?
The purpose of the streak plate is to obtain isolated colonies from an inoculum by creating areas of increasing dilution on a single plate. Isolated colonies represent a clone of cells, being derived from a single precursor cell.
What is leaf base is Pulvinate?
Thus, the correct answer is ‘Trifolium. ‘
What is pulvinus leaf base?
A pulvinus (pl. pulvini) is a joint-like thickening at the base of a plant leaf or leaflet that facilitates growth-independent (nyctinastic and thigmonastic) movement. Pulvini are common, for example, in members of the bean family Fabaceae (Leguminosae) and the prayer plant family Marantaceae.
What posers mean?
noun. plural posers. Britannica Dictionary definition of POSER. [count] disapproving. : a person who dresses or behaves in a deceptive way that is meant to impress other people.
Does Erose mean uneven?
jagged or uneven, as though gnawed or bitten: erose leaves.
What are the most common colony shapes and margins?
These are the most common elevations; e.g. flat, raised, umbonate (having a knobby protuberance), crateriform, convex, pulvinate (cushion-shaped). Margin of the bacterial colony: The margin or edge of a colony may be an important characteristic in identifying organisms.
What is the margin of Staphylococcus aureus?
aureus are circular, smooth, convex, moist, 2-3 mm in diameter on uncrowded plates, gray to jet-black, frequently with light-colored (off-white) margin, surrounded by opaque zone and frequently with an outer clear zone; colonies have buttery to gummy consistency when touched with inoculating needle.