Term
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Definition
| rod-like, semi-rigid organ enclosed in a sheath |
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Term
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Definition
| acorn worms and pterobranchs |
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Term
| Hemichordata more closelsy related to chordates than echinoderms (vertebrates) because they have |
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Definition
1. Ciliated pharyngeal slits
2.open circulatory system
3. dorsal hollow nerve tube |
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Term
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Definition
| ciliated groove in the pharynx |
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Term
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Definition
| Urochordata, cephalochordate and craniata (hypoerotreti and vertebrata) |
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Term
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Definition
1. NOTOCHORD
2. dorsal hollow nerve cord extending the length of the body
3.pharyngeal slits
4. an endostyle (ciliated groove in the pharynx)
5. Post-anal tail |
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Term
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Definition
| sexual maturation of the larval form |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| derived feature of the Chonrdichthyes |
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Definition
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Term
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Definition
1. Skeletal support and during development
2. Cushioning between joints
3. Absorption and storage of mechanical energy during locomotion |
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Term
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Definition
|
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Term
| what makes up the cartilage |
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Definition
| chondrocytes with martix of collagen |
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Term
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Definition
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Term
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Definition
|
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Term
| 2 embryonic origins of bone: |
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Definition
i) Endochondral bone: develops within cartilage.
ii) Dermal bone: develops in or just beneath skin |
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Term
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Definition
| bone forming cells (osteoblasts differentiate into these) |
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Term
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Definition
| extinct, jawless fish that carry bony body armor made of dermal plates. |
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Term
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Definition
develops within cartilage.
most skeleton of tetrapods |
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Term
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Definition
develops in or just beneath skin
1st type of bone
in tetrapods: face and cranium |
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Term
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Definition
voluntary or multinucleate
1. locomotion
2. circulation
3. body temp |
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Term
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Definition
involuntary or uninucleate
-in skin and lining of gut, blood vessel and reproductive tract |
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Term
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Definition
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Term
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Definition
| is a complex aqueous solution including plasma , erythrocytes and leucocytes |
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Term
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Definition
| water and dissolved gases, salts, nutrients and proteins |
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Term
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Definition
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Term
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Definition
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Term
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Definition
most primitive kidney, functional only in embryos of fishes and amphibians and in adult hagfishes, which are iso-osmotic to their environment and excrete ammonia.
-Contains fewest nephrons |
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Term
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Definition
functional kidney during embryonic development in amniotes (reptiles, birds, mammals) in which osmoregulation is important
-more nephrons
-In adult fish/amphibians can have mesonephric and metanephric proteions and is called opisthonephric kidney |
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Term
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Definition
| functional kidney of adult reptiles, birds and mammals |
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