Other slides

Question 1

What produces T3/T4 hormone?

Answer 1

Follicular cells in Follicles of Thyroid

Question 2

What fills Thyroid follicles?

Answer 2

Colloid
(glycoprotein complex-thyroglobulin)

Question 3

Cells outside of follicles in Thyroid

Answer 3

Parafollicular cells
- Calcitonin Secretion (decrease of Ca)

Question 4

What muscle can we see on Thyroid Slide

Answer 4

SternoThyroud

Question 5

Structures outside of Thyroid Follicles

Answer 5

• Solid cell nests (main & clear cells)
• Mixed Follicles

Question 6

What does parathyroid gland secrete

Answer 6

Parathyroid Hormone
Increases Blood Ca2+

Question 7

Cells in Parathyroid

Answer 7

• Chief Cells (hormone)
• Oxyphils (pink clusters)

Question 8

Main 2 parts of Adrenal

Answer 8

• Cortex
• Medulla

Question 9

Adrenal Cortex Origin

Answer 9

Mesodermal Origin

Question 10

Adrenal Medulla Origin

Answer 10

Neural Crest Origin

Question 11

Zones in adrenal

Answer 11

• Zona Glomerulosa
• Zona Fasciculata
• Zona Reticularis

Question 12

Zona Glomerulosa

Answer 12

• Mineralocorticoids (aldosterone)
• Circular structures
• Lipid droplets (steroid synth)

Question 13

Zona Fasciculata

Answer 13

• Glucocorticoids (cortisol)
• Narrow parallel rows
• Sinusoid capillaries

Question 14

Zona Reticularis

Answer 14

• Androgens
• Lipofuscin Granules
• Pyknotic Nuclei

Question 15

Adrenal Medulla cells and support

Answer 15

• Chromaffin Cells
• Reticular Fibers support

Question 16

Endocrine Pancrease

Answer 16

Islets of Langerhans

Question 17

What do Islets of Langerhans produce

Answer 17

Insulin / Glucagon
(others too)

Question 18

Exocrine Pancrease

Answer 18

Serous Acini

Question 19

Cells of Islets of Langerhans

Answer 19

• Alpha Cells: Glucagon
• Beta Cells: Insulin

Question 20

What is special about intralobular Pancreatic ducts

Answer 20

Secrete bicarbonate to neutralize stomach acid in duodenum

Question 21

2 Main Pineal Gland Cells

Answer 21

• Pinealocytes
• Astrocytes / Astroglial cells

Question 22

Pinealocytes
(Pineal Gland)

Answer 22

• Melatonin
• Very Light
• Release free Ca
• Causes brain sand

Question 23

Brain Sand

Answer 23

Corpora Arenacea

Question 24

What recesses can we see near Pineal Gland

Answer 24

• Pineal Recess
• (suprapineal by habenular)

Question 25

What commissure can be seen Pineal Gland

Answer 25

Posterior Commissure (long stalk)

Question 26

Thymus Main structure

Answer 26

Trabeculae separate into Cortical Caps

Question 27

Framework of Thymus

Answer 27

Epithelial Reticulum / Cytoreticulum

Question 28

Parts of Thymus Cortical Caps

Answer 28

Cortex & Medulla

Question 29

Thymus Cortex

Answer 29

- Thymocytes (T-cells) - Basophilic (dark)

Question 30

Thymus Medulla

Answer 30

- T-cell maturation - Enter postcapillary venules at corticomedullary junction

Question 31

What can be seen in Thymus Medulla

Answer 31

- Hassal's Bodies - Concentric Epithelium - Secrete Cytokine (thymic stromal lymphopoietin)

Question 32

Main idea of Tonsil Area cells

Answer 32

- Follicles: B-cell dependent - Interfollicular: T-cell dependent

Question 33

What are the spaces in Palatine Tonsil

Answer 33

Crypts due to folding of Strat. Sq. non-K epithelium

Question 34

What separates Palatine tonsil from surrounding Tissue

Answer 34

CT capsule

Question 35

Hight Endothelial Venules (HEV)

Answer 35

Move Lymphocytes from bloodstream into Lymphoid tissue

Question 36

What cells help B & T cells?

Answer 36

- Follicular Dendritic Cells - Interdigitating Dendritic Cells

Question 37

Where is Lingual Tonsil Situated

Answer 37

Root of Tongue

Question 38

What does PVN produce

Answer 38

Oxytocin + ADH

Question 39

What carries PVN products

Answer 39

Neurophysin Supraoptico/Paraventriculo - hypophyseal tracts

Question 40

Where do PVN products go

Answer 40

Neurohypophysis

Question 41

Neurohypophysis Dev. from

Answer 41

Floor of Diencephalon

Question 42

What cells make up Neurohypophysis

Answer 42

Pituicytes (astrocyte)

Question 43

Dark Spots in Neurohypophysis

Answer 43

Herring bodies with Neurophysin Accumulation

Question 44

Adenohypophysis Dev. from

Answer 44

Hypophyseal Placodes of Ectoderm

Question 45

3 parts of Adenohypophysis

Answer 45

- Pars Distalis (anterior) - Pars Tuberalis - Pars Intermedia

Question 46

What are irregular follicles in Pars Distalis of Adenohypophysis

Answer 46

Remnants of Rathke's Pouch

Question 47

What connects pituitary to Hypothalamus

Answer 47

Infundibulum

Question 48

Acidophils Secrete

Answer 48

GH & Prolactin

Question 49

Basophils Secrete

Answer 49

TSH, LH, FSH, ACTH