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Endocrine Histology > Pineal Gland > Flashcards

Pineal Gland Flashcards

1
Q

Describe LM of pinealocytes

A
  1. Large branched pale basophilic cells with many long cytoplasmic processes that terminate in bulbous endings reaching blood capillaries
  2. Nucleus is large oval with deep indentation at one side & prominent nucleolus
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2
Q

Describe EM of pinealocytes

A

Numerous ribosomes, rER, Golgi apparatus, secretory vesicles. The cytoplasmic pricesses have microfilaments, microtubules & small vesicles at their dilated ends.

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3
Q

Neuroglial cells resemble……

A

Fibrous astrocytes

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4
Q

Pinealocytes obtain information about light and dark from……

A

Retinohypothalamuc tract

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5
Q

Pineal gland in adult X ray films apear as…….

A

Corpora arenacea/ brain sand

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Endocrine Histology (5 decks)

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