Week 5 Notes
Arkansas Tech University
Popular in HUMAN ANATOMY AND PHYSIOLOGY I
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This 2 page Class Notes was uploaded by Summer Stackhouse on Saturday February 13, 2016. The Class Notes belongs to BIOL 2404 at Arkansas Tech University taught by Jennifer A. Lewter in Winter 2016. Since its upload, it has received 14 views. For similar materials see HUMAN ANATOMY AND PHYSIOLOGY I in Biology at Arkansas Tech University.
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Date Created: 02/13/16
Anatomy & Physiology Weekly Notes • Nervous System o Consists of multipolar nerve cells • Reticular o Jumbled up, mesh work in the tissues (ex. Spleen) • Proteoglycans o They consist of proteins and carbs, but they are composed of 90% carbs. • Glycoproteins o They consist of proteins and carbs, but the ratio of proteins to carbs is more equal. • Connective Tissue o Ground Substance- amorphous gel like substance surrounding the cell. ▪ Viscous- blood ▪ Semifluid ▪ Solid • Scurvy o Vitamin C deficiency o Causes weakness, gum ulceration, hemorrhages, abnormal bone growth • Lacuna o Holes in the bone, pits in the bone • Canaliculi o Tiny little cracks or canals in the bone • Chondrocytes o Cartilage cells that live in the lacuna • Hyaline Cartilages o Have a glassy look, convers the end of bones at joint • Fibrous Cartilage o Has a lot of collagen, found in between the vertebrae and knee • Elastic Cartilage o Found in the ears o Is very flexible • Transitional Tissue o the outermost layer that has multiple nuclei • Blood vessels contract and release using smooth muscle to control blood pressure • The inner discs of the cardiac muscle are a form of gap junction • Dendrites receive information while axons release information • Gangrene is the lack of oxygen to tissues resulting in tissue death. • Cyanosis- the lack of oxygen, person turns blue when this happens. • Keratin- is the waterproofing cells of the skin. • Carotene- the yellow/orange pigment of the skin.
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