Practical excercise N.4
EPITHELIAL TISSUE 2
Glandular epithelia
1st part
Institute of Histology and Embryology
Faculty of Medicine
Comenius University Bratislava
SPECIMENS: 1. Exocrine glandular epithelia
Goblet cells – small intestine (PAS)
Simple tubular gland – large intestine (HE)
Simple branched alveolar gland, holocrine secretion –
labia minora (HE)
Compound tubulo-alveolar gland, apocrine and
merocrine secretion – mammary gland (HE)
Compound alveolar gland, merocrine secretion – parotid
gland (HE)
Compound tubulo-alveolar gland – submandibular and
sublingual glands (Azan)
Specimen:
Goblet cells -
small intestine
(PAS)
Goblet cells – small intestine (PAS)
Specimen:
Simple tubular gland, large
intestine (HE)
tunica
mucosa
tunica
submucosa
muscularis
Simple tubular gland,
large intestine (HE)
Tubular glands
Simple tubular gland, large intestine (HE)
Glands in cross section Glands in longitudinal section
Simple tubular gland,
large intestine (HE)
Simple tubular gland, large intestine (HE)
Simple tubular gland, large intestine (HE)
cross section
of the tubulus
Simple tubular gland, large intestine (HE)
Specimen:
Simple branched alveolar
gland, holocrine secretion –
sebaceous gland in
labia minora
(HE)
duct
Secretory part
Sebaceous gland
(HE)
Secretory part
Cell with nucleus
Cell debris
Specimen:
Compound alveolar gland,
merocrine secretion – parotid
gland (HE)
Parotid gland (HE)
intralobular ducts secretory alveolus
ducts
Secretory alveoli
alveolus
duct
duct
Secretory alveoli
Interlobular duct
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