What is Eugonic and Dysgonic growth?

Dysgonic growth – growth which occurs with difficulty on artificial media. Eugonic growth – growth which occurs readily on artificial media.

What is dysgonic growth?

dysgonic (dis-gon’ik), A term used to indicate that the growth of a bacterial culture is slow and relatively poor; used especially in reference to the growth of cultures of the bovine tubercle bacillus (Mycobacterium bovis).

What is Eugonic?

eugonic. (y-gon’ik), A term used to indicate that the growth of a bacterial culture is rapid and relatively luxuriant; used especially in reference to the growth of cultures of the human tubercle bacillus (Mycobacterium tuberculosis). See also: dysgonic.

What is luxuriant vegetation?

adjective [usually ADJECTIVE noun] Luxuriant plants, trees, and gardens are large, healthy, and growing well.

What are serpentine cords?

Virulent strains of tubercle bacilli form microscopic serpentine cords in which acid-fast bacilli are arranged in parallel chains. Cord formation is correlated with virulence. A cord factor (trehalose-6,6′-dimycolate) has been extracted from virulent bacilli with petroleum ether.

What is the meaning luxuriant?

1a : yielding abundantly : fertile, fruitful. b : characterized by abundant growth : lush luxuriant vegetation. 2 : abundantly and often extravagantly rich and varied : prolific. 3 : characterized by luxury : luxurious a luxuriant fabric.

What is the difference between luxuriant and luxurious?

Luxuriant means characterized by thick or abundant growth. It is usually applies to the growth of plants, fur, or hair. The noun form is luxuriance. Luxurious means characterized by wealth and comfort, more directly from our modern word luxury.

What is luxuriant foliage?

1(of vegetation) rich and profuse in growth; lush. ‘forests of dark, luxuriant foliage’