WARM UP 10/31 1.What is the function of glandular epithelial tissue? 2. What are two types of...
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WARM UP 10/31
1. What is the function of glandular epithelial tissue?
2. What are two types of glands?3. What is the difference between endocrine and
exocrine glands?4. Where would you find transitional tissue?5. Where would you find mucous membranes?6. What tissue type is many layers of cubelike
cells?
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NOTES – GLANDULAR EPITHELIAL TISSUE AND
MEMBRANES
Take out your own notes and we will check them
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EPITHELIAL TISSUE: 2 types
1. Membranous – lines (8 types off chart)
2. Glandular – glands (secretes)
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GLANDULAR EPITHELIAL TISSUE
Function: secretion
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2 types of glands:
1. ENDOCRINE – secrete directly into blood or fluid
* They secrete hormones
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PITUITARY Hangs from base of brain
Influence growth
Water absorption
Milk secretion
Uterine contractions (labor)
THYROID neck Control metabolic rate
Growth
PARATHYROID Behind thyroid in neck
Calcium salt balance – maintains muscle and nervous tissue
ADRENAL On top of each kidney
Enables the body to cope with emergency situations
PANCREAS
(islets of Lang.)
Right side under stomach
Breakdown nutrients
Blood sugar regulation
OVARIES Pelvic portion of abdominal cavity
Sex characteristics
Menstruation
Eggs cells
TESTES In the scrotum Sex characteristics
Sperm production
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2. EXOCRINE – secrete into ducts (tubes)
EX:
1. Lacrimal gland – tears
2. Salivary gland – saliva
3. Sweat gland – water
4. Sebaceous gland - oil
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EXOCRINE: 3 types
1. Apocrine – pinch off top part of cell into duct
EX: mammary gland
2. Holocrine – rupture to secret
EX: sebaceous gland
3. Mesocrine – secrete directly through cell
EX: salivary gland (most glands)
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DRAWINGS
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MEMBRANES
Thin layer of tissue that covers a surface, lines a cavity, or divides a space or organ
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Types of epithelial membranes:
1. CUTANEOUS – skin
2. SEROUS – line closed body cavities; secrete clear lubricating fluid to stop friction; pleura, pericardium, peritoneum
3. MUCOUS – line and protect organs that open to the exterior of the body; mucus keeps it lubricated; digestive and respiratory tract
4. TYMPANIC – eardrum