Chapter 5 --Protozoa Flashcards Preview

MICRO LECTURE > Chapter 5 --Protozoa > Flashcards

Flashcards in Chapter 5 --Protozoa Deck (19)
Loading flashcards...
1
Q

Misc

A

eukaryotic cell, mostly harmless, moist habitat, animal parasite or insect vectors, engulf microbes

2
Q

Chemoheterotophic

A

lack choloplasts

3
Q

Classification

A

difficult b/c of diversity, simple grouping is based on motility, reproduction and life cycle

4
Q

Mastigophora

A

primarily flagellar motility, sexual reproduction – ex. giardia intestinalis

5
Q

Sarcodina

A

primarily amoeba, asexual by fission, move by pseudopods

6
Q

Ciliophora

A

cilia, cysts & trophozoites – uses cilia to agitate water to bring food in

7
Q

Apicomplexa

A

motility is absent except male gametes; sexual & asexual reproduction – all are parasitic

8
Q

Cyst

A

protected structure; contains larval stage

9
Q

Vegetative form

A

active; normal processing – growing and looking for food : trophozoite (of note: zoite means active)

10
Q

Definitive Host

A

final host; harbors the adult

11
Q

Intermediate Host

A

secondary host; harbors a larval or intermediate form of parasite - there can be 2-3 intermediate hosts

12
Q

Infective form

A

form in which organism makes you sick, can be many forms – egg, larva, cyst

13
Q

Diagnostic form

A

when is becomes present and can be tested, migrates out of body

14
Q

Mechanical vector

A

passive – ex. fly, “shit sticks to legs and drops onto food”

15
Q

Biological vector

A

active; “requires action – mosquito, has to spend time to drink blood”

16
Q

Giardia trophozoites

A

has 2 nuclei

17
Q

Entamoeba histolytica

A

amoebic dysentary; worldwide – breaks down tissues, blood & pus in diarrhea

18
Q

Pseudopods

A

used to engulf organisms

19
Q

Trichomoniasis

A

undulating membrane, or ruffle is characteristic