'Notochord' presentation slideshows

The First Three Weeks of Human Embryogenesis

The First Three Weeks of Human Embryogenesis. Department of Histology, Cytology and Embryology Kharkiv State Medical University. Week 1-3:. Early Stages : 1. Fertilization 2. Cleavage 3. Gastrulation 4. Formation of the embryo body Late stages: Histogenesis, Organogenesis. Week 1.

1.08k views • 46 slides

Neurulation

Neurulation. By Brett & Joshua. These slides will be uploaded after tonights session. Please see presenter notes under the slides for a description of the pictures. Objectives. Describe the formation of the morula and blastocyst and the process of blastocyst implantation

1.93k views • 31 slides

Animal Diversity

Animal Diversity . Exploring the Categorization of Animal Species. The Tree of Life The three domains of life represent the earliest branches in evolutionary history. Characteristics of Animals . Eukaryotic Multicellular Heterotrophic Most are capable of sexual reproduction.

963 views • 26 slides

Chordates!

Chordates!. Subphylum Urochordata Subphylum Cephalochordata Subphylum Vertebrata (focus). Evolutionary relationships. and HOX genes. Phylum Chordata: 4 key features* *Each appears in a least one life stage. Phylum Chordata: 4 key features* *Each appears in a least one life stage.

204 views • 20 slides

Phylum Chordata

369 views • 16 slides

Phylum Chordata

Phylum Chordata. Phylum Chordata. common characteristics ? segmented muscles ? ventral heart ? complete digestive system. Five defining chordate characteristics ? pharyngeal gill slits ? dorsal, hollow nerve cord post anal tail e ndostyle /thyroid gland ? notochord.

164 views • 16 slides

Phylum Chordata (includes the vertebrates)

Phylum Chordata (includes the vertebrates). i.e. fish, sharks, amphibians, reptiles, birds, mammals Notochord, nerve cord, gill slits, tail. Vertebrates. Kingdom Animalia Phylum Chordata 6 classes: Class Osteichthyes: Bony Fish Class Chondrichthtyes: Sharks and Rays

349 views • 13 slides

Chapter 7

Chapter 7. Phylum Hemichordata Phylum Chordata. Phylum Hemichordata. Characteristics: Rare group, but these worms seem to span a gap between invertebrates and more advanced chordate animals

619 views • 11 slides

Phylum Chordata (Part 2)

Phylum Chordata (Part 2). SBI 3U. Subphyla: Vertebrates vs. Invertebrates. Invertebrates: urochordata and lancelets ? only notochord and nerve cord Vertebrates: largest group of chordates. Notochord ? backbone. Nerve cord ? spinal cord. Superclasses of Invertebrates. Agnatha

228 views • 10 slides

Invertebrate Chordates

Invertebrate Chordates. Hemichordata Urochordata Cephalochordata. Hemichordates. Deuterostomes Gill slits Dorsal nerve cord. Classes of Hemichordates. Enteropneusta Acorn worms Shallow marine animals Pterobranchia Rhabdopleura Colonial, send out feeding zooids. Acorn Worm.

130 views • 10 slides

THIRD WEEK OF DEVELOPMENT

THIRD WEEK OF DEVELOPMENT. Dr Samina Anjum. FORMATION OF NOTOCHORD. Prenotochordal cells invaginating in the primitive pit, move forward cranially until they reach the prechordal plate forming a median cellular cord, the notochordal process . Formation of notochordal canal

489 views • 9 slides

Notochord

DHNC. Notochord.

123 views • 4 slides