Histology Practical

Question 1

Identify tissue and cells:

Answer 1

Anterior Pituitary, aka Adenohypophysis/Pars distalis: acidophils, basophils, chromophobes

Question 2

Name the tissue and cells:

Answer 2

Posterior Pituitary, aka Neurohypophysis/Pars nervosa: pituicyte, Herring body,

Question 3

Name the tissue and cells:

Answer 3

Thyroid: colloid, follicular cells, parafollicular cells

Question 4

Name the tissue and cells:

Answer 4

Parathyroid: principal cell; oxyphil cells; adipocytes

Question 5

Name the tissue and cells:

Answer 5

Pituitary:

anterior/pars distalis: chromophobe, basophil, acidophil

pars intermedia

infundibulum

posterior/pars nervosa: pituicyte,

Question 6

Name the tissue and cells:

Question 7

Name the tissue, layers, and cells:

Answer 7

Kidney:

capsule

cortex: zona glomerulosa, zona fasciculata, zona reticularis
medulla: chromaffin cells

Question 8

Name the tissue, layers, and cells:

Answer 8

Ileum: Peyer’s patch, lymphoid nodules

Question 9

Name the tissue, layers, and cells:

Answer 9

Appendix: lymphoid nodules

Question 10

Name the tissue, layers, and cells:

Answer 10

Palatine tonsils: lymphocytes, lymphoid nodules, crypts, SSE

Question 11

Name the tissue, layers, and cells:

Answer 11

Lymph node: lymphpcytes, cortex (with nodules) and medulla (no nodules); medulla contains sinuses and cords

Question 12

Name the tissue, layers, and cells:

Answer 12

Lymph node:

1. Capsule
2. Trabeculum/trabecular sinus
3. Cortex; 3a. lymph nodules; 3b. Paracortex
4. Medulla; 4a. cords; 4b. sinuses
5. Subcapsular sinus

Question 13

Name the tissue, layers, and cells:

Answer 13

Spleen:

White pulp - lymphatic/splenic nodules, aka Malpigian corpuscles: germinal center, central artery (but it’s off-center), marginal zone, mantle zone

Red pulp - lymphocytes, sinusoids, Cords of Billroth

Question 14

Name the tissue, layers, and cells:

Answer 14

Thymus: lobule, Hassall’s/thymic corpuscle (pink cloud), contains epithelioreticular cells

Question 15

Name the tissue, layers, and cells:

Answer 15

Cortical labyrinth: renal corpuscles, arcuate vessels, interlobular vessels, medullary ray, PCT, DCT

Medulla: medullary ray, interlobular vessels, PST, DST, CD

Question 16

Name the tissue, layers, and cells:

Answer 16

Cortical labyrinth:

Renal Corpuscle: Bowman’s capsule - parietal layer, parietal cells, urinary space, visceral layer

Glomerulus: podocytes, WBCs, mesangial cells, a/efferent vessels, vascular pole, macula densa, DCT, urinary pole, PCT

Interlobular vessels

Question 17

Name the tissue, layers, and cells:

Answer 17

Proximal convoluted tubule: pyramid shaped cells, irregular lumen, darker stained cells

Distal convoluted tubule: lighter stained cells and darker nucleus, cleaner lumen

Question 18

Name the tissue, layers, and cells:

Answer 18

Medullary ray:

Proximal striaght tubule: darker, pyramidal cells, irregular lumen, brush border

Distal straight tubule: ice cube cells lining regular lumen

Collecting duct: biggest, cuboidal cells with a halo around the nucleus

Question 19

Name the tissue, layers, and cells:

Answer 19

Medulla of kidney:

Thick limbs - tubule with dark cells

Thin limbs - smaller than thick, simple squamous cells

Vasa recta: blood vessels

Collecting ducts - largest, clearest bordering cells

Question 20

Name the tissue, layers, and cells:

Answer 20

Ureter: transitional epithelium with dome cells; lamina propria; muscularis, 2 layers–inner longitduinal and outer circular;

Question 21

Name the tissue, layers, and cells:

Answer 21

Portal triad: portal vein, hepatic artery, bile duct

hepatocytes

Question 22

Name the tissue, layers, and cells:

Answer 22

Liver: sinusoids, Kupffer cells, endothelial cells, bile canaliculi

Bile cancliculi –> intralobular canal/Canal of Hering –> interlobular canal –> bile duct (in portal triad)

Question 23

Name the tissue, layers, and cells:

Answer 23

Pancreas: Islets of Langerhans, acini cells, serous cells, central alveolar cell; intralobular and intralobular ducts