GLANDULAR EPITHELIUM
All glands are derived from epithelium: exocrine and endocrine, but endocrine lose their connection to surface most glands form by invagination and branching of epithelium .
merocrine: vesicles released by exocytosis (most glands) sweat, salivary, pancreas
apocrine: parts of cells detach into lumen mammary and pubic sweat glands
holocrine: whole cells released into lumen only sebaceous glands simple vs compound glands p. 125 tubular vs alveolar (little cavity, pit socket, hollow) or acinar (grape) same as alveolar (p 123) simple tubular intestinal glands compound tubular Brunner's glands simple branched alveolar sebaceous simple coiled tubular sweat
All glands are derived from epithelium: exocrine and endocrine, but endocrine lose their connection to surface most glands form by invagination and branching of epithelium .
merocrine: vesicles released by exocytosis (most glands) sweat, salivary, pancreas
apocrine: parts of cells detach into lumen mammary and pubic sweat glands
holocrine: whole cells released into lumen only sebaceous glands simple vs compound glands p. 125 tubular vs alveolar (little cavity, pit socket, hollow) or acinar (grape) same as alveolar (p 123) simple tubular intestinal glands compound tubular Brunner's glands simple branched alveolar sebaceous simple coiled tubular sweat
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