Tissues Q2 Flashcards
Epithelial
Surface lining
Glands
Connective Tissues
Support body parts
Muscular Tissues
Movement
Nervous tissue
Stimuli
Transmit nerve impulses
Tight junctions
Proteins touch
Prevent leakage
Weblike
Adherens junctions
Cadherins to microfilament
Prevent separation
Belt
Desmosomes
Cadherin to intermediate filaments
Prevent separation under stress
Hemidesmosomes
Integrins to intermediate filaments
Half
Glycoprotein: integrin
Basement membrane
Gap junctions
Pore and opening
Connexin protein
Allows fast cell comm.
Squamous
Flat
Thin
Diffusion
Cuboidal
L=W
Secrete and absorb
Microvilli
Columnar
L>W
Basal nuclei
Protection
Secrete and absorb
Some cilia microvilli specialized
Pseudostratified
Deceiving single layer
Not all reach apical
All touch basal
Simple squamous
Lungs, capillaries diffusion
Kidneys filtration
Heart endo
Intestine meso
Simple cuboidal
Kidney
Thyroid
Simple columnar
Mucus
Digest, resp, repro
Goblet cells = cilia
Some ciliated
Trachea
Stratified squamous
Friction dead outer layers
Skin keratinized
Mouth and vagina nonkeratinized
Transitional
Urinary system
Relaxed is cuboidal
Stretched is squamous
Simple tubular exocrine glands
Consistent cell type
One ducts
Simple acinar (alveolar) exocrina gland
Cuboidal to columnar in one duct
Compound tubular and acinar
Branching ducts consistent and columnar cell types
Merocrine
Normal
Fuse with membrane
Salivary and pancreas glands