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Mink dissection: Skeletal System
Transcript of Mink dissection: Skeletal System
Stink the Mink
What is the skeletal system?
1. Supports the body and holds the animal upright
2. Allows for flexibility so that the mink can perform motions
3. Protects organ
The skeletal system is composed of many calcified bones that are quite rigid but there are also many types of joints connectingthere bones which permit movement.
(Examples found in mink: Suture, hinge, spheroidal, gliding, pivot & condylar)
Differenences between mink and human
1. Humans have a large skull in comparison to their body. Unlike the mink who has a large head in comparison to their body.
2. Humans have a U shaped mandible, minks have a V
Tibia and Fibula
Fun facts about Stink
-Minks belong to the family Mustelidae
-The skull is held together by immovable sutures along the surface of the bones
-It forms a rigid, protective covering for the brain
-The anterior portion of the skull including the nose and upper jaw is composed ofthe maxilla, nasal bones and pre-maxilla
Fun facts continued
Vertebral colum in all mammals have the same purpose:
-to protect the delicate spinal cord that passes through it
-to permit flexibility, support and anchor points for muscle attatchments
The clavical of the mink is greatly reduced or absent because it's adapted for running
Questions for the class
1. What is the difference between a human's mandible and a mink's mandible?
2. What is similar in all mammal's skeleton?
Most interesting part of the dissection
Seeing how a mink's patella joint moved