What part of the epithelium comes from the ectoderm?
External Surface
Ependymal cells lining neural canal
Ependymal cells lining neural canal
What type of epithelial cell is narrow around the edges and might bulge slightly?
Squamous
What is the major difference between pseudostratified and startified epithelium?
In pseudo, all cells touch the basal membrane
What are the functions of simple squamous epithelium?
Transport of materials
Lubrication
Lubrication
Where is simple cuboidal epithelium found?
Secretory and ductal portions of many glands
Surface of lens and ovary
Kidney tubules
Respiratory tract
Surface of lens and ovary
Kidney tubules
Respiratory tract
Where is simple columnar epithelium located?
Lining of stomach
Lining of Small Intestine
Lining or Large Intestine
Lining of uterus and uterine tubes
Lining of some glands
Lining of Small Intestine
Lining or Large Intestine
Lining of uterus and uterine tubes
Lining of some glands
What are the functions of pseudostratified columnar epithelium?
Secretion
Abosorption
Lubrication
Protection
Transportation
Abosorption
Lubrication
Protection
Transportation
Where is pseudostratified columnar epithelium found?
lining of upper respiratory tract
lining of parts of urogenital system
Transition in ducts and some glands
lining of parts of urogenital system
Transition in ducts and some glands
What are the two categories of stratified squamous epithelium?
Cornified
Non-cornified
Non-cornified
Where is cornified stratified squamous epithelium located?
General body surface
buccal cavity
anal region
ruminant forestomach
buccal cavity
anal region
ruminant forestomach
From apical to basal, name the layers of the epidermis
Stratum corneum
Stratum granulosum
Stratum spinosum
Stratum basal
Stratum granulosum
Stratum spinosum
Stratum basal
What is the most basal layer of the epidermis called and what do these cells act as?
Stratum basale
Act as stem cell population
Act as stem cell population
Why are there spaces in the stratum spinosum?
Because processing causes shrinkage of cells
What is keratohyalin and in what layer of the epidermis is it located?
Keratohyalin is a precursor to keratin and it is located in the stratum granulosum
Where are stratified cuboidal cells located?
Specific portions of urogenital system
Ducts of various glands
Transitional areas
Ducts of various glands
Transitional areas
Where is stratified columnar epithelium found?
Portions of upper respiratory tract
Ducts of some glands
Ducts of some glands
What is the most basal layer of the epidermis called and what do these cells act as?
Stratum basale
Act as stem cell population
Act as stem cell population
What do mucous glands look like when stained with H&E?
The mucinogen doesn't take up H&E very well and the nuclei are flattened and pushed basally.
How do serous glands look when stained with H&E?
They stain pink because of all of the eosinophillic enzymes. The nuclei are round and basal.
What is the only unicellular gland and in what type of tissue is it found?
The goblet cell
Psuedostratified columnar epithelium
Psuedostratified columnar epithelium
What is the difference between simple and compound glands?
Compound glands have branched ducts and simple glands do not
What are the three different morphologies of exocrine glands?
Tubular
Acinar (Alveolar)
Tubuloalveolar
Acinar (Alveolar)
Tubuloalveolar
What is a follicular gland?
An endocrine gland that stores hormone or pre-hormone in a lumen
What is the glycocalyx?
Glycoproteins that extend from the PM and prevent non-dissolved substances from entering the cell.
Name the lateral surface modifications
Zonulae occludentes (tight junctions)
Zonulae adherens (intermediate junctions)
Desmosomes (macule adherens)
Gap junctions
Zonulae adherens (intermediate junctions)
Desmosomes (macule adherens)
Gap junctions
Kartensatzinfo:
Autor: toncrayb
Oberthema: Medicine
Thema: Microanatomy
Veröffentlicht: 17.10.2009
Schlagwörter Karten:
Alle Karten (42)
keine Schlagwörter
