Lecture 6 Glandular Tissue (Epithelial)

Question 1

What is a gland?

Answer 1

Organ composed primarily of epithelium that synthesize + secrete some specialized product

Question 2

What do glands secrete?

Answer 2

1) Proteins (serous= water) Pancreas –enzymes for digestion 2) Lipids Adrenal –hormones Sebaceous - oil 3) Carbohydrates and protein (mucous) Salivary

Question 3

What gland secretes all 3 types.

Answer 3

Mammary

Question 4

What are the two gland types?

Answer 4

Endocrine, exocrine

Question 5

______ glands secrete substances to specific organs via duct systems. ______ glands produce hormones and are always rich in capillaries

Answer 5

Exocrine, endocrine

Question 6

How are endocrine glands well vascularized if epithelia are not vascularized?

Answer 6

Secrete into blood stream either directly or through interstitial space.

Question 7

True or False: Endocrine glands are of epithelial origin.

Answer 7

True

Question 8

What type of gland is this? What are the structures within?

Answer 8

Endocrine, pancreatic islets, C=capillaries

Question 9

What is the secretion portion of an exocrine gland?

Answer 9

Acinus

Question 10

What are the 3 types of exocrine structures?

Answer 10

Tubular, acinar, alveolar (hole)

Question 11

Mucous glands of the colon, intestinal glans of crypts are examples of ______ shape of glands.

Answer 11

Simple tubular

Question 12

Glands in the uterus and stomach are examples of _____ shape of gland.

Answer 12

Branched tubular

Question 13

Sweat glands are an example of _____ shape of gland.

Answer 13

Coiled tubular

Question 14

mucous glands along urethra is an example of _____ shape of gland.

Answer 14

Acinar (or alveolar)

Question 15

Sebaceous glands are an example of _____ shape of gland.

Answer 15

Branched acinar

Question 16

Mucosal glands of the duodenum is an example of _____ shape of gland.

Answer 16

Compound tubular

Question 17

Exocrine pancreas is an example of _____ shape of gland.

Answer 17

Compound acinar (alveolar)

Question 18

Salivary glands is an example of _____ shape of gland.

Answer 18

Compound tubuloacinar

Question 19

______ secretion releases products, usually containing -proteins, by means of exocytosis. ______ secretion is produced by the disintegration of the secretory cells themselves as they complete. ) ______ secretion involves loss of membrane-enclosed apical cytoplasm, usually containing one or more lipid droplets

Answer 19

Merocrine, holocrine, apocrine

Question 20

What type of secretion is this an example of?

Answer 20

Holocrine (sebaceous gland)

Question 21

What type of secretion is this an example of? What are the arrows pointed to?

Answer 21

Apocrine (mammary gland), blebbing

Question 22

Serous cells are examples of what type of secretion? and what do they usually contain?

Answer 22

merocrine, secretory granules

• very eosinophilic

Question 23

______ of salivary glands are typically larger than serous cells, with flattened basal nuclei. ___ and ___ stain mucous poorly whereas _____ stains strongly.

Answer 23

Mucous, H&E, PT, PAS

Question 24

______ surround serous salivary gland cells and squeeze to help release contents help fluid flow

Answer 24

Myoepithelial