GAP JUNCTION COMMUNICATION IN THE DEVELOPING ZEBRAFISH NOTOCHORD ... Zebrafish embryos of stages 10 somites (14 embryos) or 24 hr (27 embryos) were ...
... notochord Central part of nervous system A hollow tube made up of neurons Extends entire length of amphioxus and jawless fishes Always dorsal to notochord ...
Chordates Characteristics common to ALL chordates Dorsal nerve cord Pharyngeal slits Notochord Tail Dorsal nerve cord Pharyngeal Slits The wall of the pharynx is ...
Chordate features dorsal hollow nerve cord, notochord, gut tube, ... Dorsal mesentery. Ventral mesentery. Test yourself... Trans-segmental structures versus ...
PHYLUM CHORDATA Chapter ... four appendages Notochord skeletal rod Vertebrate ... composed of bone or cartilage Bilateral symmetry Closed circulatory system 3.
Comparative Anatomy ... limbs of fishes and marine mammals Parallelism ... notochord and nervous system disappear Resembles invertebrate Both urochordates ...
Chordates Phylum Chordata Chordates What is a chordate? 1. Has either a backbone or a notochord (vertebrate) 2. Can either be an ectotherm or an endotherm 3.
Chordates Characteristics common to ALL chordates Dorsal nerve cord Pharyngeal slits Notochord Tail Dorsal nerve cord Pharyngeal Slits The wall of the pharynx is ...
The Vertebrates Vertebrate Characteristics Vertebrae (backbone) Notochord (flexible dorsal rod) Nerve cord (hollow) with brain Three layers of cells as an embryo ...
... Body Plan Tube within a tube Bilateral Symmetry Dorsal Hollow Nerve cord Notochord and vertebra Segmentation Pharnygeal gill slits Body Planes Anatomical ...
Animals Vertebrates Vertebrates Five Classes Endoskeleton Support Protect Attachment Notochord Five Classes Fish Amphibians Reptiles Birds Mammals Fish Live in water ...
SUBPHYLUM VERTEBRATES 1. 99% of all chordates 2. Contain a supporting backbone called a vertebral column (replaces the notochord during embryo development)
Vertebrates Phylum Chordata 4 basic characteristics: Notochord supporting rod dorsally located, below the nerve cord, replaced by vertebral column in most ...
Vertebrates in the Sea & on Land Section 32.1 Adaptations of Vertebrates Chordates with a backbone Made of vertebra segments Completely replaces the notochord ...
Comparing Vertebrates The Chordates A chordate is an animal that has, for at least some stage of its life, a dorsal, hollow nerve cord; a notochord; pharyngeal ...
Jawless Fishes Lampreys and hagfishes both lack vertebrae and have notochords as adults Lampreys are filter feeders as larvae and parasites as adults Hagfishes have ...
Phylum Chordata Charactertistics of Chordates All chordates possess a notochord. Long felxable rod between gut & nerve cord Runs most of length of animal
Survey of Animals from the Phylum Chordata Sub Phylum Vertebrata Common Chordate Features Notochord: a rod of stiffened tissue supporting the body (later develops ...
Vertebrates Evolution and Diversity * * * Chordates Notochord: longitudinal, flexible rod located between the digestive and the nerve cord Dorsal, hollow nerve cord ...
Medical University Department of Histology, cytology and embryology Gastrulation is finished with the formation of axial organs neural tube, notochord, somites ...
Vertebrates are Animals with a backbone Chordate What are they- An animal that has, for al least some stage of its life, a dorsal hollow nerve cord; a notochord ...
Vertebrate Review Questions Which fish is a parasite? Lamprey Shark Skate Bass What is a shark s skeleton composed of? Bone Chitin Cartilage Notochord Which fish is ...
Chordates and Fishes Characteristics of Chordates A chordate is an animal that in some stage of development has: Notochord- dorsal rod of specialized nerves A dorsal ...
Chordates and Fish Characteristics of Chordates A chordate is an animal that in some stage of development has: Notochord- dorsal rod of specialized nerves A dorsal ...
Human embryo (5 weeks) Notochord attachment site for muscles ... Platypus. P. Chordata. Mammalia. Monotremes. Echidna. P. Chordata. Mammalia. Marsupials ...
... notochord, caudal fin rays, and what appeared to be a postanal tail and a dorsal ... hypocercal tail (with an extended ventral lobe) which suggest a trend towards ...
... nerve cord; a notochord; pharyngeal pouches; and a tail that extends ... Notochord: long supporting rod that runs through the body just below the nerve cord ...
Back muscles Sclerotome Neural tube produces NT-3 and Wnt proteins that influence somite cell fate Notochord produces sonic hedgehog to influence sclerotome fate A A ...
The Animal Kingdom : The Chordates Day 3 Recall: All chordates have a notochord during their embryological development that usually turns into a spinal column.
Biology 223. Human Anatomy and Physiology. Week 1; Lecture 1; Monday. Dr. ... Chordate features dorsal hollow nerve cord, notochord, gut tube, certain blood ...
Core of rooster comb. Tissue components: Stellate fibroblasts, amorphous ground substance ... The arrow points at the notochord. Cross-section of the notochord ...
The notochord (derived from mesoderm, defines axis of embryo, later replaced by ... Motor (efferent): conduct impulses from the CNS to organs/muscles ...
Phylum Chordata 4 common characteristics Notochord dorsal rod made of cartilage (flexible/firm), support for body dorsal nerve chord group of nerves forming a ...
Which is larval, which is mature? Chordata. Urochordata. Tunicate. A) mature, B) larval. A. B. Dorsal nerve cord. notochord. Pharynx with gill slits. Phylum? ...
ectoderm. neural tube. gut cavity. notochord. Within the gastrula, one can see ... ectoderm. What comes ... Ectoderm and mesoderm interaction in a chick ...
Bone tumors are very diverse in morphology and biological ... A new bone tumor in the elderly is more likely to be malignant ... Arises from notochord remnants. ...