Term
| simple squamous epithelium |
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Definition
functions: filtration & diffusion
locations:
- alveoli in lungs
- bowman capsule, loop of henle, glomerus (kidney)
- blood vessels
- heart (endothelium)
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Term
| simple cuboidal epithelium |
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Definition
functions: secretion & excretion
locations:
- thyroid gland
- mammary gland
- proximal & distal convaluted tubules (kidney)
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Term
| simple columnar epithelium |
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Definition
functions: PAS (protection, absorption & secretion)
locations:
- uterine tube (ciliated)
- collecting duct (kidney)
- prostate gland (young) (follicles)
- small intestine (goblet cells)
- submandibular gland
- gallbladder
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Term
| pseudostratified epithelium |
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Definition
functions: protection
locations:
- trachea (ciliated)
- male urethra
- vas deferens
- epididymis
- seminal vesicle
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Term
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Definition
functions: wear & tear
locations:
- epidermis (keratinized)
- lips
- esophagus (unkeratinized)
- vagina
- cornea
- mouth
- palatine tonsil
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Term
| stratified cuboidal epithelium |
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Definition
functions: extra protection
locations:
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Term
| stratified columnar epithelium |
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Definition
functions: extra protection
locations:
- epiglottis
- pharynx
- anal mucosal membrane
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Term
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Definition
functions: relaxed/contracted; stretched/distended
locations:
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Term
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Definition
| method of chemical localization - radioiodine localization |
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Term
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Definition
| classified by type of light source and resolution |
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Term
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Definition
| methods enables investigators to locates sites of Antibody-Antigen reactions |
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Term
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Definition
nuclear region: hematoxylin (basic stain)
cytoplasmic region: eosin (acidic dyes) |
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Term
| 2 important considerations with regards to methology |
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Definition
1. kind of microscope used
2. preparation of tissue or organ to view with microscope |
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Term
| cell theory (Schwann & Schleiden) |
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Definition
- All living matter is composed of cells
- cells arise from existing cells
- all metabolic reactions inclyding all energy exchanged, biosynthetic processes, hereditary processes take place within the cell
- cells r the structural and functional unit of living matter
- cells r composed of protoplasm - vicus suspension of variou chemical elements
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Term
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Definition
| responsible for the metabolic and synthetic activity |
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Term
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Definition
| responsible for differentiation and function |
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Term
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Definition
| contains the cytoplasm and nucleus; viscus suspension of various chemical elements |
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Term
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Definition
prokaryotic: primitive cell (ex: bacterium or blue-green algae)
- nucleus not surrounded by membrane
- chromosome not complex
- no true bound organelles
eukaryotic: true cell of higher plants and animals
- well defines nucleus with membrane
- complex chromosomes
- membrane bound organelles
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Term
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Definition
- water 75%
- proteins 10-20%
- lipids 2-3% (energy)
- carbohydrates 2%
- salts 1%
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Term
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Definition
AKA Nuclear SAP
contains chromatin material (DNA) and nucleolus |
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Term
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Definition
- protoplasm surrounding nucleus
- constitutes storage and working area of cell
- primary function - absorpton and secretion
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Term
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Definition
- irritability
- conductivity
- contractibility and mobility
- metabolism
- growth
- reproduction
- absorption
- secretion
- excretion
- respiration
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