NEMATODES - PHYLUM NEMATHELMINTHES (ROUNDWORMS)

ps: these are just general information (same ppt used as lecture)

Nemathelminthes

Phylum of Nematodes

Nematoda

Class of Nematodes

Ascaris lumbricoides

Trichuris trichiura

Enterobius vermicularis

Capillaria philippinensis

Ancylostoma duodenale

Necator americanus

Strongyloides stercoralis

Intestinal worm species

Trichinella spiralis

Dranunculus medinensis

Mansonella spp.

Wuchereria bancrofti

Brugia malayi

Onchocerca volvulus

Loa loa

Tissue Dwelling species

Ancylostoma caninum

Ancylostoma braziliense

Toxocara cati

Toxocara canis

Animal species

Non-segmented

Cylindrical

Symmetrical

General morphology of nematodes

Cuticle

protective covering for nematodes

Dioecious

this is the determination of sexes / separate sexes

Chemoreceptors

called the sensory organs

Class Phasmidia

phasmids (tail)

Class Aphasmidia

Aphasmid

Amphid

cephalic / head: base of the lips

Trichuris trichiura

Capillaria philippinensis

Trichinella spiralis

All nematodes have Phasmids, except:

TRUE

TRUE or FALSE.

All nematodes have stichocytes

Enterobius vermicularis

Trichuris trichiura

All nematodes inhabit in the small instestine, except: