PPT-Lecture 2 Parasites/ Protozoa

Medical Parasitology Prof Dr Ahmed Ali Mohammed Medical Parasitology Parasitology is a dynamic field because the relationships between the parasites and their hosts are constantly changing Parasites are often causing important diseases to humans and animals Consequently the host suffers from various . Vocabulary. Medical parasitology:. “the study and medical implications of parasites that infect humans”. Eukaryote:. a cell with a well-defined chromosome in a membrane-bound nucleus. All parasitic organisms are eukaryotes. AMOEBA. Protozoa:. The protozoa are a diverse group of unicellular, eukaryotic organisms. Many have evolved structural features (. organelles. ) that mimic the organs of . multicellular. organisms. Reproduction is generally by mitotic binary fission, although in some . Guests. . Are You an Unknowing Host?. . Pam Porter. . Can you believe that once upon a time, parasites were thought to be desirable?. Oh, how times have changed!. Parasites Defined. . Common organism that feeds off another organism. Its main purpose is to consume decaying matter if available. If not, the organism will consume other live organisms.. Protozoa Proto . Pertama. . . Zoon . Hewan. Uniseluler. Mikroskopis. (3-100 . mikron. ). Soliter. / . Koloni. H. abitat : . Perairan. , . tempat. . lembab. Alat. . gerak. PROTOZOA:. Protozoa are . unicellular organisms . that occur singly or in colony formation.. Each . protozoon. is a complete unit capable of performing the physiologic functions that in higher organisms, are carried on by specialized cells.. . Single-celled. eukaryotic microorganisms capable of performing all functions . of life. .. . Morphology: . wide variety (from amorphous to well defined). . Structure:. mass of . protoplasm. differentiated into outer. CLASSIFICATION OF MEDICAL PARASITOLOGY. 1. CLASSIFICATION OF MEDICAL PARASITOLOGY. Parasites of medical importance come under . the kingdom . called . protista. and . animalia. .. Protista. . includes the microscopic . . : . Proton . = . pertama. . (. satu. ) + . Zoon = . hewan. ). . Ciri-ciri. . khusus. :. . Kecil (. berukuran. 0,0002 mm . sampai. 0,0003 mm), . biasanya. . terdiri. . atas. . satu. . protists. . Mostly . they are . unicellular. , but a few form colonies in which individual cells are joined by . cytoplasmic. threads or embedded in a common matrix. They are distributed in diverse moist habitats, commonly occur in sea, in fresh water and in soil. . Parasites. . are traditionally considered to be . protists. , . worms and arthropods, adapting themselves to live in or on another organisms termed host. The relationship between two dissimilar organisms that are adapted to living together is called symbiosis and the associates are . Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. B- Blood and tissue flagellates:. This group of flagellates also known as hemoflagellates. They require two hosts in their life cycle: man, or another susceptible mammal on the one hand, and a blood-feeding insect (vector) on the other hand. They are belonging to two genera, . Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. Introduction. Parasitology is the branch of biology concerned with the phenomenon of dependence of one living organism on another. Medical parasitology deals with the parasites which infect man, the diseases they produce, the response generated by him against them, and various methods of diagnosis, prevention and treatment.. 1. Lecture-1. Introduction . & Classification. Dr. Salah Mahdi. Dr. Salah Mahdi 2023/2024. 2. Dr. Salah M. . Saleem. /Human . Protozology. 2. nd. level-2. nd. term,2021/2022. Theory. - . Lecture :1. Prof. . Dr. Zainab Ali. . Medical Parasitology. Introduction. . Medical parasitology. . is the science that deals with organisms living in the human body and the medical significance of this host-parasite relationship..