Identification of Digestive System Structures

This set of flashcards covers the identification features of various glands and structures in the digestive system, including their unique characteristics and histological features.

What are the identifying features of the sublingual gland?

Pale mucous acini.

Identification

Sublingual gland

How can you identify the parotid gland?

It has many intralobular ducts.

Identification

Parotid gland

How to identify?

Parallel foliate papillae

Identification

Tongue

How to identify?

Many tongue papillae on the upper

surface

Identification:

Tongue

How to identify?

Presence of skin on the outer

surface showing hair follicles

Identification

Lip

What type of epithelium lines the esophagus?

Stratified squamous epithelium.

Identification

Esophagus

What distinguishes the fundus of the stomach?

Mucosa contains fundic glands with short narrow pits.

Identification:

Fundus of the

stomach

What is characteristic of the pylorus of the stomach?

It has pyloric glands with deep, wide pits.

Identification:

Pylorus of the

stomach

What are Brunner's glands associated with?

The submucosa of the duodenum.

Identification:

duodenum

What defines the jejunum structure?

The submucosa is empty, with no glands or lymphoid follicles.

Identification

Jejunum

What features are seen in the ileum?

Presence of Payer's patches on the antimesenteric border.

Identification

Ilum

How do you identify the pancreas histologically?

It has serous acini with a dark periphery and pale center.

Identification

Pancreas

What structures are found in the liver?

Acidophilic cells around central veins.

Identification

Liver

identify?

Hepatocytes , central vein

identify?

Gall bladder . Liver

Identification

Enterocytes & Goblet cellsMucin

Identification

goblet cell

Identification

Sinusoids & perisinusoidal space

Identification

Bile canaliculus

Identification

Mucous Neck cell

Identification

Surface mucous secreting cells

Identification

Parietal cell

Identification

Enteroendocrine cell , open type

Identification

Enteroendocrine cell , closed type

Identification