Glandular epithelium

Question 1

Epithelia of ________ a
re organized as a continuous system composed of many small secretory portions and ducts that transport the secretion out of the gland.

Answer 1

exocrine glands

Question 2

Glands can be

Answer 2

simple (ducts not branched) or

compound (ducts with two or more branches)

Question 3

Secretory portions can be

Answer 3

tubular
acinar

Question 4

(either short or long and coiled)

Answer 4

Tubular

Question 5

(rounded and saclike)

either type of secretory unit may be branched, even if the duct is not branched.

Answer 5

Acinar

Question 6

can have branching ducts and can have multiple tubular, acinar, or tubuloacinar secretory portions

Answer 6

Compound glands

Question 7

Compound glands can be:

Answer 7

Tubular
Acinar (Alveolar)
Tubuloacinar

Question 8

Elongated secretory portion; duct usually short or absent

Mucous glands of colon;
intestinal glands or crypts (of Lieberkühn)

Answer 8

Simple - Tubular

Question 9

Several long secretory parts joining to drain into duct

Glands in the uterus and stomach

Answer 9

Simple - Branched Tubular

Question 10

Secretory
portion is very long and coiled
Sweat glands

Answer 10

Simple - Coiled Tubular

Question 11

Rounded, saclike secretory portion
Small mucous glands along the urethra

Answer 11

Simple - Acinar (or Alveolar)

Question 12

Multiple saclike secretory parts entering the same duct
Sebaceous glands of the skin

Answer 12

Simple - Branched Acinar

Question 13

Several elongated coiled secretory units and their ducts converge to form larger ducts

Submucosal mucous glands (of Brunner) in the duodenum

Answer 13

Compound - Tubular

Question 14

Several saclike secretory units with small ducts converge at a larger duct
Exocrine pancreas

Answer 14

Compound - Acinar (Alveolar)

Question 15

Ducts of both tubular and acinar secretory units converge at larger ducts

Salivary glands

Answer 15

Compound - Tubuloacinar

Question 16

Consist of a single cell distributed among non secretory cells

Answer 16

UNICELLULAR

Question 17

Example of unicellular

Answer 17

Goblet cell

Question 18

Formed when epithelial layer invaginates in deeper tissue to form a diverticulum

Answer 18

MULTICELLULAR

Question 19

Example of multicellular

Answer 19

Proximal part of diverticula forms duct
Distal part forms secretory units

Question 20

Branching Pattern of Ducts:

no branching

branched

Answer 20

SIMPLE
COMPOUND

Question 21

Shape of Secretory End Piece

Answer 21

TUBULAR
ALVEOLAR/ ACINAR
TUBULO-ALVEOLAR

Question 22

Classification based on secretion

Answer 22

Merocrine
Apocrine
Holocrine

Question 23

Eccrine, Epicrine

Answer 23

Merocrine

Question 24

Secretion by exocytosis - simple release without any loss of cellular compartment
No loss of cytoplasm
MOST EXOCRINE GLANDS ARE_____

Answer 24

MEROCRINE

Question 25

Example:
Protein content of mammary gland,parotid, pancreas, typical sweat gland, salivary glands

Answer 25

Merocrine

Question 26

Apical portion (luminal) of cell disintegrate
Nucleus & basal portion remain intact from which cell can regenerate
Partial loss of cytoplasm

Answer 26

Apocrine

Question 27

Example:
Lipid content of mammary gland, atypical sweat gland (axilla & groin), ceruminous gland ear, moll’s gland in eyelid

Answer 27

Apocrine

Question 28

Entire cell disintegrate
Result in death cell/ programmed cell death (apoptosis)
Complete loss of cytoplasm

Answer 28

Holocrine

Question 29

Example:
Sebaceous gland
Tarsal glands in eyelid

Answer 29

Holocrine