Animal Structure

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Veterinary

14th February 2009

Sandra Pinsky

USA

151

wbe120.zip

 

       

 

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Smooth muscle

Muscle that is found in organs, i.e. walls of digestive tract, arteries. - non striated, with spindle shaped cells - involuntary, with slower contractions but stay contracted longer

Accessory glands

Salivary glands, pancreas, liver, and gallbladder

Thermoregulatoin

Temperature control; function of integument

Cardiac muscle

Muscle tissue that forms contractile walls of heart; striated, involuntary movement

Connective tissue origin

The Mesoderm is the origin of this tissue

Lamellae

Structure around central portion of bone system

Liver

Secretes bile salts to digest fats

Hypodermis

Subcutaneous base layer of skin that contains adipose and loose connective tissue; derived from mesoderm

Simple columnar epithelium

Epithelial cell that lines the intestine; designed to absorb nutrients

Dental adaptations for digestion

Carnivores (sharp teeth), herbivores (molars flat for grinding), omnivore, mixture of both

Basement membrane

Cell at the base of an epithelial layer; thick mat of extra-cellular fibers that anchors epithelial tissue

Reptile scales

Tough, keratinized adaptation of integument; formed from epidermis, found on reptiles

Axial skeleton

Part of human skeleton that includes head, vertebrae, and ribs

Bulk feeding

Feeding mechanism; eat large pieces of food; adaptation for capture, manipulation, ingestion; organisms: invertebrates (shred, tear), reptiles (eat whole), birds, and mammals (only ones who chew)

Stomach

Chamber that holds up to 2 L of food