CTL- histology

Question 1

what are the four types of tissue?

Answer 1

epithelial

CT

muscle

Nervous

Question 2

what are the major types of epithelial tissues and where commonly found?

Answer 2

simple squamous
-endothelium, lung alveoli

simple cuboidal
- pancreaus, thyroid

simple columnar
-ciliated: respiratory tract, uterine tubes,
-non-ciliated: duodenum, colon, ducts of many glands

stratified squamous
-epidermis of cutaneous membranes and linings of mouth and vagina

stratified columnar

pseudastratifed columnar
-sperm carrying ducts (non ciliated) and trachea (ciliated)

transitional epithelilum
-urinary bladder, urethra

Question 3

what two component ake up CT

Answer 3

cells and ECM

Question 4

name the resident/ fixed cell types

Answer 4

fibroblasts
adipocytes
mesenchymal cells
fixed macrophages

Question 5

name the transient/wandering cells

Answer 5

mast cells
plasma cells
WBCs
free macrophages

Question 6

outline the types of CT (3):

Answer 6

Mesenchyme –> CT proper, Supporiting CT and Fluid CT

Question 7

Outline what makes up CT proper

Answer 7

loose:
-areolar
-adipose
-reticular

dense
-regular
-irregular
-elastic

Question 8

outline what makes up supporting CT

Answer 8

cartlidge
-hyaline
-fibrocartlidge
-elastic

bone
-compact
-spongy

Question 9

what are the three types of muscles and their microscopic features?

Answer 9

Skeletal
-long cylindrical, straited, peripheral nuclei

cardiac
- central nuclei, intercalated discs and striated

smooth
-thickest fibres in middle
-ONE nucleus

Question 10

outline the PNS

Answer 10

PNS –> sensory (afferent) and motor (efferent)

motor –> somatic (voluntary) and autonomic (involuntary)

Autonomic –> sympathetic (Fight and flight) and parasympathetic (rest and digest)