SKIN STRUCTURES

Question 1

Explain structure of stratum basale

Answer 1

Single layer of columnar or cuboidal cells that are connected to one another by desmosomes and to base,ent membrane by hemidesmosomes

Question 2

Explain structure of stratum spinosum layer cells

Answer 2

Have short processes that extend from cell to cell

Question 3

Explain thr stratum granulusom cells

Answer 3

3 to 5 layers of flattened cells containing keratohyalin granules

Question 4

Explain stratum lucidum cell structure

Answer 4

Tightly packed flattened cells without nuclei or organelles, with densely packed keratin filaments

Question 5

Explain stratum corneum cell structure

Answer 5

Flattened dead cells with soft keratin filaments

Question 6

Explain the structure of eccrine sweat glands

Answer 6

A layer of myoepithelial cells with their secretory tubule and initial section of the excretory duct are coiled into a rough spherical ball. The secretory epithelium have cuboidal and columnar cells and the excretory ducts has stratified epithelium

Question 7

Explain apocrine sweat glands structure

Answer 7

Secretory epithelium consists of one major type, which may appear low columnar or cunoidal