Leishmania Species

Question 1

Disease and causative species

Question 2

Hosts and vectors

Question 3

1) Leishmania species

Question 4

Morphology

Question 5

Disease: leishmaniasis

Question 6

1. Cutaneous leishmaniasis (affecting the skin) is caused by:

Question 7

2

Question 8

Leishmania tropica

Answer 8

Leishmania major and Leishmania aethiopica (in the Old

Question 9

World)

Question 10

Leishmania mexicana (in the New World).

Question 11

MucOcutaneous leishmaniasis (affecting skin & nasal and oral mucosa) is caused

Question 12

by Leishmania braziliensis (in the New World).

Question 13

3. Visceral leishmaniasis (also called kala-azar; affecting liver

Answer 13

spleen

Question 14

and bone marrow) is caused by Leishmania donovani

Question 15

Primary (definitive) hosts: humans and vertebrate animals (particularly dogs and

Question 16

rodents → also reservoir hosts).

Question 17

Secondary (intermediate) hosts: female sandflies also vectors).

Question 18

1. Amastigote (intracellular form without a flagellum) inside macrophages of definitive

Question 19

hosts causes the disease.

Question 20

2. Promasti 31 6f 11gellular form with flagellum) in the gut and pharynx of female

Question 21

sandflies > ransmits the infection (infective stage) and is detected in culture.