Histology Flashcards
Right order of stratum keratinized
basale
spinosum
granulosun
lucidum
corneum
What is hematoxylene?
basic dye
so will dye acidic structures bcs they are basophilic-they love basic
Verhoff elastic stain stains collagen in _____ and nuclei+elastic fibers in ______
red
black
Silver stain is for:
Reticular fibers
Content of stratum granulosum?
basophilic proteins- keratohyalin
Layers of non-keratanyzed epithelium
Baslae
spinosum
planocellular
What are goblet cells?
Modified columnar cells
synthesize and secrete mucus
Why serous are very dark?
A lot of rER
Example of holoceine secretion?
sebaceous glands
CT cells examples
fibroblasts
adipocytes
mast cells
macrophages
What type of collagen is reticular fibers?
III
1-macrophage
2-neutrophils
What are plasma cells?
Matured B cells
What dye is used for mast cells?
Cartilage is collagen type ___
II
?
hyaline cartilge
?
where can we find it?
Elastic cartilage
outer ear, eustacian tube, epiglottis
where can we find Fibrocartilage?
in the intervertebral disc, menisci
Difference btw the different cartilage
Thyroid gland
Parathyroid glands
Mammary glands lactating
1= Haversian canal
2= Volkman’s canal
3= Osteocytes Lacuna
4= Interstitial Lamellae
5= Osteon
Describe Intramembranous ossification
Direct ossification ofof embryonic CT. Takes place in the membrane bones of the skall
Describe Endochondral ossification
Formed by replacement of hyaline cartilage
Bones of trunk and extremities
What are the zones of Endochondral ossification?
1,2,3
1= Haversian canal
2= Lamellae
3= Lacuna
🦴 2 types of Lamellae
Interstitial
Concernic
1= Neutrophils
2= Lymphocytes
3= Eosinophils
4= Monocytes
5= Basophils
?
Gall bladder
lefr is fundus right is cervix
Special fiture of the gallbladder
It doesnt have submucosa
What is it and what is the name of the visible muscle?
name the colors and the corresponding tissue
Lip
orbicularis oris
Blue-collagen
red-elastic fibers, muscle