Unit I

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Mucous salivary gland (LP): (Interlobular and intralobular duct - Interlobular and intralobular connectivetissue -Adipose cell- Blood vessels)Mucous alveolus (HP)58
Mucous salivary gland: The secretion is predominantly mucous in character. The duct system is similarto that in the parotid gland. The mucous secretory units are packed within a lobule. They are largercompared to the serous alveoli and are lined by simple columnar cells resting on a basement membrane.The mucous cells are pale staining because the mucinogen granules is washed during staining. The lumen islarger and easily seen while the nuclei are flat near the basement membrane.Mucous alveolus: The columnar cells of a mucous alveolus rest on a basement membrane. The nucleus ofeach cell is flat with a long axis parallel to the basement membrane. The nucleus is disk like and is squeezedup against the bases of the cells.The basal cytoplasm is less basophilic. The larger part of the cytoplasm issupranuclear containing membrane bound vesicles of mucous as in unicellular goblet cells. The mucous isa glycoprotein so it does not stain with H & E and hence the cytoplasm is pale and vacuolated. Thesevacuoles are best stained with PAS staining method.Notes:59
Page 4:
Mitochondrion Golgi apparatusSmooth
Page 7 and 8: . Nonmembrane bound: These organell
Page 9 and 10: Nucleus: It is made up of deoxyribo
Page 11 and 12: Intercellular contactsThe plasma me
Page 13 and 14: 3. Epithelial tissueHuman body is m
Page 15: Compound epithelium: They have two
Page 18 and 19: 4. Connective tissueFibroblast. Fib
Page 20 and 21: Collagen fibres Elastic fibresLoose
Page 22: 5. Muscular TissueStriated muscle L
Page 25 and 26: Sarcomere (Relaxed): Each myofibril
Page 27 and 28: Smooth muscle (LP): Smooth muscle f
Page 30 and 31: Astrocyte (Fibrous) Astrocyte (Prot
Page 32: Peripheral nerve T.S: (Epineurium -
Page 35 and 36: 7. CartilageIt is a specialised con
Page 37 and 38: White fibrocartilage: It shows bund
Page 40 and 41: Decalcified bone T.S.: (Fibrous and
Page 42 and 43: 9. Blood VesselsElastic artery: (Tu
Page 44 and 45: VeinCapillaries: (Endothelium- Basa
Page 46 and 47: 10. Lymphoid TissueLymph node (LP):
Page 48 and 49: Spleen (LP): ( Capsule - Trabeculae
Page 50 and 51: Thymus: (Capsule-Septa-Lobules-Cort
Page 52 and 53: Palatine Tonsil (LP): (Stratified s
Page 54 and 55: Morphological classification of exo
Page 56 and 57: Serous salivary gland e.g Parotid g
Page 61 and 62: Mixed salivary gland (LP): A saliva
Page 63 and 64: 12. Integumentary SystemSkin, the l
Page 65 and 66: Hair: In humans, hairs are not impo
Page 67 and 68: Sebaceous gland: It is seen on the
Page 69: Tooth: The tooth shows a projected
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Unit I

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