Paraheligmonella interrogans male
Super-family: Heligmosomoidea
Family: Heligmonellidae
Sub-family: Heligmonellinae
Synonymy:
= Heligmodendrium interrogans, Lent and Freitas,1938.
Author and date: (Lent et Freitas,1938), Durette-Desset, 1971, (personal reference n°48 nas)
Parasite of Cercomyscunicularius, Echimyidae, Mammalia
Locality: Chique-Chique, state of Bahia (Brazil)
Location: small intestine
Collection : colleçao helminthologica doinstitudo Oswaldo Cruz
Reference : Lentand Freitas, 1938. In livro jubilar Pr Travassos, Instituto oswaldocruz , 269-273. (personal reference N1423)
Durette-Desset, 1971, (personal reference n°48 nas)
Anterior end of Paraheligmonella interrogans.
Caudal bursa of Paraheligmonella interrogans male; ventral view.Detail of spicules (left) and dorsal ray (right)
Classification
Generality of the parasite
Whole body
- Length of the body : 3001 to 4000 µm
- Width of the nematode at midbody : 76 to 100 µm ; 101 to 125 µm
Cephalic characters
- Presence of cephalic vesicle : Yes
- Width of the cephalic vesicle (in middle) : 31 to 40 µm
- Number of internal labial papillae : ?
- Number of external labial papillae : ?
- Presence of cephalic papillae : ?
- Length of the cephalic vesicle : 31 to 40 µm
Anterior part
- Position of the nervous ring from the anterior end : 201 to 250 µm
- Position of the excretory pore from the anterior end : 201 to 250 µm
- Position of deirides from the anterior end : ?
- Length of the oesophagus : 251 to 300 µm ; 301 to 350 µm
- Ratio length of the oesophagus over the total length : 6 to 10%
- Excretory glands : Not visible
Synlophe at midbody
- Number of cuticular ridges at midbody : ?
- Size of ridges : ?
- Axis of orientation of the synlophe : ?
- Right axis : ?
- Left axis : ?
- Appearance of ridges : On the posterior edge of the cephalic vesicle
- Nature of the ridges : Longitudinal ridges
- Number of dorsal ridges at midbody : ?
- Disappearance of the cuticular ridges in the female : non applicable
- Disappearance of the cuticular ridges in the male : At the level of the caudal bursa
- Only a general axis : ?
- Number of ventral ridges at midbody : ?
- Presence of a gradient of size of the cuticular ridges : ?
Reproductive tract of the female
- Presence of egg : non applicable
- Length of egg : non applicable
- Width of egg : non applicable
- Number of egg : non applicable
- Length of vestibule : non applicable
- Sex of the nematode : Male
- Length of vagina vera : non applicable
- Length of the tail : non applicable
- Position of the vulva from the posterior end : non applicable
- Length of anterior sphincter : non applicable
- Length of anterior uterus : non applicable
- Presence caudal pointed tail : non applicable
- Length of anterior infundibulum : non applicable
Reproductive tract of the male
- Sex of the nematode : Male
- Height of the division of the dorsal ray : Anterior third
- Length of the rays 9 in ratio to the rays 10 : 9<10
- Diagram of rays 2 to 6 (left lobe) : non applicable
- Disposition of types of bursal arrangements in lateral lobes : similar diagram left ant right
- Length of rays 2 to 6 : 2<3 ; 3 = 4 ; 4>5 ; 5 = 6
- Birth of rays 8 : At the base of the dorsal ray
- Length of the rigth spicule : 401 to 500 µm
- Length of the left spicule : 401 to 500 µm
- Shape of the spicules : Sharp
- Number of tips of the spicules : 1
- Shape of the genital cone : Triangular
- Length of genital cone : <25 µm
- Presence of papilla 0 on anterior lip of genital cone : Yes
- Presence of papillae 7 on posterior lip of genital cone : ?
- Presence of gubernaculum : No
- Width of gubernaculum : non applicable
- Asymmetry of the caudal bursa : Left
- Height of the asymmetry : 151to 200 µm
- Width of asymmetry : 151 to 200 µm
- Diagram of rays 2 to 6 (right lobe) : non applicable
- Dorsal lobe visible : Distinct
- Diagram of basic pattern of the caudal bursa (lobes left and right are symmetric) : Type 2-3
- Tendency of the diagram ( lobes left and right are symmetric) : Tendency 2-3
- Tendency of diagram (left lobe) : non applicable
- Tendency of diagram (right lobe) : non applicable
- Presence of the prebursal rays (= rays 1) : No
- Approaching rays 5 to 6 : No
- Ratio length between ray 8 and dorsal ray : Dorsal ray = ray 8
- Position of the rays 9 : After the division
- Form of gubernaculum : non applicable
- Length of gubernaculum : non applicable
- Symmetry of the caudal bursa : Asymmetric