Histology Flashcards
What are the four types of basic tissue?
Epithelia
Connective
Muscle
Nervous
What are some characteristics of epithelial cells?
Cover surfaces, line cavities and form glands
Avascular
Regenerate rapidly (28 days for skin)
Display polarity
What are the 6 types of epithelial cell structure?
Simple squamous Stratified squamous Keratinised stratified squamous Simple cuboidal Simple columnar Psuedostratified ciliated columnar with goblet cells
Example of simple squamous epithelia….
Alveoli
Example of simple cuboidal epithelia….
Glands (apart from seminal vesicles and BU glands)
Example of simple columnar…
GI tract epithelia
Example of keratinised squamous epithelia….
Hands, feet (glaborous skin)
Example of psuedostratified ciliated columnar epithelia with goblet cells….
Respiratory airways
Example of stratified squamous epithelia…
Mouth/gums
What are the three types of proper connective tissue?
Loose areolar CT (few collagen fibres)
Dense regular CT (lots of collagen fibres)
Dense irregular CT (lots of collagen fibres and fibroblasts)
What is the main type of epithelia seen in the preadolescent ovary?
Simple cuboidal
What type of connective tissue is the tunica albuginea?
Dense irregular CT
Where are primordial follicles found?
Cortex
What ovarian structure is rich in neurovascular tissues?
Medulla
What are the three cell types that make up the uterine tube?
Mucosa cells - oocyte wafting (cilliated columnar) and peg cells (simple columnar)
Muscularis cells- peristalsis
Serosa cells- highly vascular
What cell type are the mucosa cells of the uterine tubes?
Ciliated columnar cells
What is the lamina propria?
Loose areolar CT found between basal epithelia layer and deeper structures
Always found in mucus membranes
What are the three parts of the uterine wall?
Endometrium
Myometrium
Perimetrium
What cell type is the endometrium?
Simple columnar epithelia
In what orientation are myometrial fibres most often found?
Longitudinal
Circular
Longitudinal
what cell type is the endocervix?
Simple columnar epithelium
What cell type is the ectocervix? Why?
Stratified squamous epithelium
Abrasion resistant
What type of connective tissue is the cervical stroma?
Dense regular CT
From which structure is cervical mucus secreted? What is the cell type here?
Mucosal glands
Simple cuboidal
What are the names given to the fossa either side of the cervix?
Lateral fornices
What type of epithelium lines the vagina? Why?
Stratified squamous epithelium
Abrasion resistant
What elastin containing structure is responsible for expansion during intercourse and childbirth?
Lamina propria
The interstitial space of the testes is made up of what type of CT?
Dense irregular CT
What type of cells are Sertoli cells?
Simple columnar epithelia
What type of cells line the epididymis?
Psuedostratified columnar epithelium
What type of cells are found in the seminal vesicles?
Psuedostratified columnar epithelium
The prostatic capsule is made from what type of connective tissue?
Dense irregular CT
What type of epithelia line the glandular prostate?
A mixture
best referred to as simple/low columnar
What type of epithelia lines the urethra?
psuedostratified columnar epithelium
What are the glands of litra?
Glands that line the urethra to secrete mucus
What are the histological characteristics of thick skin?
Thick layer of keratin on surface
Stratum lucidum present
What are the histological characteristics of thin skin?
Epidermis only thinly keratinised
Epidermal layer much thinner
Dermal layer big compared with epidermis
