1. Mycobacterium Leprae
Dr.Qurat-Ul-Ain Senior Demonstrator Microbiology, KEMU, Lahore

10. Mycobacterium Leprae

13. MICROBIOLOGICAL FEATURES
Gram-positive
Intracellular
Aerobic rod-shaped bacillus
With a waxy coating
M. leprae is unable to grow in vitro
This is thought to be due to the fact that it no longer has the genes needed for independent growth
Because of its inability to grow on agar, nude mice and nine-banded armadillos are used as animal models

16. Main Types of leprosy
Borderline
Tuberculoid
Lepromatous

25. Diagnosis of Leprosy Clinical features.
Smear or biopsy from the skin lesion stained with Fite stain .
Lepromin test : Intradermal injection of M Leprae.It is a tuberculin type of reaction.