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Anatomy Test W07D2
Integument and Skeletal system - Curless
20
Anatomy
Undergraduate 4
10/27/2009

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Term
What are the layers of the integument?
Definition
epidermis, dermis, hypodermis
Term
What are some of the functions of the integument?
Definition
protection, heat regulation, secretion/production of melanin/carotene/kerotin, lipid storage, mediation of sensory data, production of accessories (hair, scales, feathers, etc), alarm capability, camouflage
Term
What is hair used for?
Definition
insulation, camouflage, weapons
Term
Which animals have both scales and feathers? Why?
Definition
birds. Last surviving relatives of the dinosaurs. Related to raptors.
Term
Which animals have nails?
Definition
primates
Term
What's an example of skin acting as an alarm system?
Definition
changing color
Term
What does mucous do in fish and amphibians?
Definition
lubricates skin to facilitate swimming, respiration in baby fish, sunscreen in bony fish, communication device to secrete hormones into water, predator detterant
Term
What is countershading? Which animals have it?
Definition
The upper part of the body will usually be darker than the underbelly. Animals that live in illuminated environments have it.
Term
What types of integuments are easily fossilized?
Definition
skin and feathers
Term
What are the layers of the epidermis?
Definition
basal/germinativum, spinosum, granulosum, lucidum, corneum
Term
What does UV light do to the skin?
Definition
Ruptures hydrogen bonds and changes them to covalent bonds
Term
What is the first part of the skeleton to develop?
Definition
The notochord
Term
What are the functions of the skeleton?
Definition
Support, allow motion, protection of underlying soft organs, hematopeisis, storage, muscle attachment, defense/offense
Term
What does the notochord turn into?
Definition
Your intervertebral discs
Term
What is hematopoiesis?
Definition
making blood tissue
Term
Where are blood cells created?
Definition
skeleton, spleen, liver, kidneys
Term
When do the bones begin creating blood cells?
Definition
post-natally
Term
What are the 5 aspects of muscles?
Definition
name, origin, insertion, nerve supply, function
Term
What attaches muscle to bone?
Definition
tendons
Term
What attaches bone to bone?
Definition
ligaments
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