2015م - 1444هـ
نبذه عن الكتاب:
The Helminths
A. Introduction
1. Phylum Platyhelminthes (flatworms) - includes the tapeworms & flukes
a. General Characteristics
(1) Multicellular animals characterized by a flat, bilaterally symmetric
body. It is dorsoventrally flattened and is solid (no body cavity).
(2) Hermaphroditic, having both male and female reproductive
organs in the same individual.
(3) Overall size varies greatly, some members are as small as 1mm,
and others may be 20 meters or longer.
(4) The classes Cestoda (tapeworms) and Trematoda (flukes)
contain species parasitic to humans.
b. The Cestodes
(1) Adult worms have a flat, ribbon-like white to yellowish body
consisting of an anterior attachment organ (scolex) and a body
(strobila) consisting of a chain of segments called proglottids.
(2) Scolex - the head. Characterized by the presence of sucking
disks or lateral grooves, and hooks. This is important in
speciation, but seldom recovered.
يمكنك الاستمتاع بقراءة كتاب
Parasitology or Mycology Lecture Guide Cestodes
اونلاين وعلى الموقع الخاص بنا من خلال الضغط على زر قراءة بالاسفل
كتاب
Parasitology or Mycology Lecture Guide Cestodes
يمكنك تحميله من خلال الدخول الى صفحه التحميل من