Hookworms Flashcards
New World hookworm, American hookworm
Necator americanus
Adults are
stout. Cervical curvature (appear s like a “hook” )
N.a
Disease of N.a
Necatoriasis Uncinariasis
Common name of Ancylostoma duodenale
Old World Hookworm
Common name of Ancylostoma caninum
Dog hookworm
Common name of Ancylostoma braziliense
Cat and dog hookworm
Adults are
stout Cervical curvature (appear s like a “hook” )
Necator americanus and Ancylostoma duodenale
Tends to
follow the general curvature of the body
Looks like a
letter
“C”
Ancylostoma caninum and Ancylostoma braziliense
Adult hookworm form and color?
Fusiform and grayish white
Male adult hookworm distinguishing charac
Broad, caudal bursa with rib-like rays
No teeth; Pair of triangular subventral lancets/ semilunar cutting plates
N.a
Adults: small, cylindrical fusiform, greyish white nematodes
where the females are larger than the males
N.a
The posterior end of the males are usually broad,
membranous, it has a caudal bursa with ribbed like rays for copulation
N.a
Parasite?The posterior end of the males are usually broad,
membranous, it has a caudal bursa with —- for copulation
N.a; ribbed like rays
2 pairs of unfused ventral teeth similar size
A.d
Adult ———, is slightly larger than your ———
A.d ; N. a
Can cause cutaneous larval migrant causing creeping eruption
A.caninum
bursa is supported by long, slender rays
A.d
slightly larger than your Necator americanus
A.ceylanicum
in the Philippines the first human case was reported in 1968
from a 53-year-old woman from Ilocos Norte, where 23 adult
worms were collected from the patient
A.ceylanicum
Rhabditiform buccal cavity of s. Stercoralis is?
Short
Rhabditiform buccal cavity of hookworm is?
Long
Rhabditiform genital primordium is s.stercoralis is?
Large
Rhabditiform genutalmprimordium of hookworms is?
Small
