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Invertebrate Embryology and Reproduction deals with the practical and theoretical objectives of the descriptive embryology of invertebrates, along with discussions on reproduction in these groups of animals. It explains several morphological and anatomical expressions in the field and covers the embryology of invertebrate animals, starting from the Protozoa, to the Echinodermata, the Protochordate and Tunicates. These groups include economically important aquatic invertebrates, such as crustaceans, as well as medically important invertebrates and economic arthropods. Each chapter is preceded by the taxonomy of the discussed phylum and/or the species to enable the reader to locate the systematic position.
- Covers phylum definition, general characteristics, classification, reproduction, agametic reproduction, gametic reproduction, spawning, fertilization, development and embryogenesis
- Includes recent findings in the area, along with detailed figures and photos that illustrate important concepts
- Brings together difficult-to-obtain research data from the field, not only in Egyptian libraries, but globally, and previously only found through specialized references not widely available
- Clarifies descriptions with striking photos and electron microscopical studies of different species
Researchers in the field of crustacean reproduction biology, invertebrate reproductive biology, invertebrate physiology, zoology, comparative reproductive biology and endocrinology, evolutionary biology, aquaculture, animal behavior, and advanced UG/grad students and instructors in these areas. Aquaculture practitioners will also find it useful for their hatchery operations.
1. Historical Review
A-Gametogenesis and Gametes
Origin of germ cells
Formation of Gametes
C- Development, Early Development
3. Kingdom Protista
Class 1- Mastigophora
Wonderful Features of Volvox
Class 2- Sarcodina
Class 3- Sporozoa ???
• Table of Classification of Animal Kingdom
4. Porifera (parazoa)
Agametic and parthenogenesis
Dehiscence of spermatophore
Formation of spermatophore
Hardening of spermatophore
Reproductive Behavior, Mating, Copulation, and Spawning
Order 1- Enterogona
Order 2- Pleurogona
Structure of fully formed larva
The full grown oocyte
Early Development (Embryogenesis)
I-Maturation and Ooplasmic segregation
a- The completion of meiosis of the egg;
b- The development of the sperm pronucleus;
c- Ooplasmic segregation;
d- Syngamy, or pronuclear fusion.
II- Cleavage: (second phase of embryogenesis)
III- Gastrulation and Neurulation
IV- Morphogenesis and Cell Differentiation
Structure of fully formed larva
Time required for development
- No. of pages:
- © Academic Press 2020
- 18th January 2020
- Academic Press
- Paperback ISBN:
- eBook ISBN:
Dr Fatma Mahmoud El-Bawab received her MSc and PhD in Zoology and is currently a full professor Alexandria University in Egypt. Throughout her career, she has contributed abundantly to the research in this zoology, specifically on male reproduction, spermatophores and development in invertebrates. She was the first staff member in Egypt to prepare and teach a curriculum for this specialized field and continues teaching the Invertebrate Embryology courses many years later. This experience has provided the basis for the development of the current specialized school of researchers and lecturers in this branch in the department.
Department of Zoology, Alexandria University, Egypt
"Each chapter highlights important aspects of the embryogenesis and sometimes reproductive biology of specific representatives. These are interesting to read, and the style and prose are clear most of the time. However, just as important is what is missing: most chapters are incomplete listings of biological details organized roughly taxonomically, rather than thorough treatments of each group. Major phyla are missing entirely (such as the echinoderms, annelids, and sipunculans) or largely (such as the arthropods, which are strangely void of insects, myriapods, and chelicerates). Yet what is perhaps the most significant absence is the lack of any overarching developmental, ecological, or evolutionary framework within which to position, interpret, and analyze the diversity of invertebrate embryonic development. As such, Invertebrate Embryology and Reproduction is more of an incomplete reference catalog, rather than a comprehensive treatment of invertebrate embryogenesis. It will probably have its greatest value in libraries as a possible reference and stepping stone toward primary literature that may perhaps otherwise be harder to find." --QRB
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