Term
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Definition
the development of cartilage |
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Term
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Definition
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Term
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Definition
formation of the embryo, which leads to fetal development |
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Term
What does the skeleton form from during embryogenesis? |
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Definition
mesoderm and the neural crest |
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Term
What does mesoderm form from during embryogenesis? |
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Definition
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Term
What does mesoderm turn into during embryogenesis? |
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Definition
embryonic connective tissue (mesenchyme) |
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Term
Which of the bone cells are multinucleated? |
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Definition
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Term
What do all species in Phylum Chordata have as an embryo? |
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Definition
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Term
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Definition
a temporary endoskeleton for a soft-bodied embryo |
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Term
What makes an animal a chordate? |
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Definition
has a notochord, post-anal tail, pharyngeal arches and flits, thyroid gland, endoskeleton, singular tubular dorsal hollow fluid-filled nerve chord |
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Term
What are pharyngeal arches and flits? |
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Definition
openings that develop right behind the head. Become gills in fish and tadpoles. In everything else they become part of the head and neck. |
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Term
What do animals in the sub-phylum vertebrata need to have? |
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Definition
vertebral column in their endoskeleton, enclosed circulatory system, very distinct head |
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Term
What makes up the axial skeleton? |
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Definition
skull, vertebral column, sternum, ribcage, hyoid bone |
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Term
What makes up the appendicular skeleton? |
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Definition
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Term
What is heteroproning? What are the results? |
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Definition
When genes don't turn off. People end up with tails or extra fingers/toes |
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Term
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Definition
In vertebrates it's masses of mesoderm distributed along the two sides of the neural tube and that will eventually become dermis, skeletal muscle, and vertebrae |
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