systemic physio nbeo2.txt
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What are osteoblasts stimulated by?
- Vitamin D
What are osteoblasts inhibited by?
What is the rate limiting step in glycolysis?
Where in the cell does glycolysis happen?
What is a halocrine cell?
Secretes complete cells laden with secretory material
What are apocrine cells?
Secretes part of the cell cytoplasm
What are merocrine cells?
Secretes a product of the cell w/o loss of cellular components
Where do exocrine cells secrete to?
Into a duct
Where do endocrine cells secrete to?
Directly into bloodstream
What ribosomes do eukaryotes have?
60s & 40s
What does the smooth ER do?
Detox of lipid soluble drugs
What does rough ER do?
Production of proteins
What does the golgi apparatus do?
Acts like fedex,modify and package proteins
What is the systemic disorder of lysosomes?
Tay Sach's disease which leaves a cherry red macula
What ocular disease stems from a disorder of the mitochondria?
Leber's hereditary optic neuropathy
What is facilitated diffusion?
- Carrier proteins that bind to substrates
- Slower but can carry larger molecules
How do amino acids and glucose cross the cell membrane?
What is sattler's membrane?
Layer of vessels in the choroid located externally to choriocapillaris
What do astrocytes do?
Provide framework of neuro cells
What do oligodendrocytes do?
Produce myelin in CNS where there are no schwann cells
What do microglia do?
Phagocytic cells of neuro cells (housekeepers)
What type of ell junctions are found in blood aqueous and blood retinal barriers?
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