Parasitology Exam 3 Questions And Answers
Syncitial In nematodes, the hypodermis is_______.
Longitudinally, 4 In nematoda, epidermal cords run __________ and divide the body into
__ quadrants.
Dorsal and ventral cords In nematoda, what contains longitudinal nerve trunks?
Excretory In nematoda...
Longitudinally, 4 In nematoda, epidermal cords run __________ and divide the body into
__ quadrants.
Dorsal and ventral cords In nematoda, what contains longitudinal nerve trunks?
Excretory In nematoda, lateral cords contain lateral canals of the _________ system.
Circular layers In nematoda, muscles of the body wall are longitudinal with no _________
__________.
Myocyton What is the name given to the noncontractile cell body in nematoda?
Myosin and actin In nematoda, muscle contractions occur similar to vertebrate striated
muscle with _________ and _________.
,Parasitology Exam 3 Questions And Answers
Somatic musculature, cuticle, pseudocoelom and fluid. In nematoda, what are the 4
components that function as the hydrostatic skeleton?
Peritoneal lining In nematodes, a pseudocoelom differs from a true coelom in that it has
no _________ _________ .
Fluid filled cavity A pseudocoelom is a
Hemolymph Pseudocoelomic fluid is also known as _________ .
Hydrostatic skeleton A pseudocoelom in nematoda also functions as a:
Contraction and relaxation in dorsal and ventral muscles What produces the characteristic
S-shape motion seen in nematode locomotion?
Esophageal region and anal region In nematoda, where are the two main concentrations of
nerve elements?
, Parasitology Exam 3 Questions And Answers
Cephalic and claudal region In nematoda, where are sensilla most prominent?
Buccal muscles and anterior esophageal muscles In nematoda, which muscles contract to
open the mouth and suck in the food?
Hydrostatic pressure In nematoda, what kind of pressure closes the mouth?
Via muscle contractions In nematoda, how does food pass down the esophagus?
Hydrostatic pressure In nematoda, what kind of pressure "pushes food down"?
Depressor ani In nematoda, what muscle contracts to open the anus?
Hydrostatic pressure In nematoda, when the anus is opened, what causes defecation?
Intestine In nematoda, excretion occurs through the ________.
No Does nematoda contain flame cells or nephridia?
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