VAN 221: Veterinary Splanchnology and Applied Anatomy (1+1)

SKIN

Thick skin (View image)

• Hairless skin which consists of very thick epidermis and dermis
• Epidermis is made up of stratified squamous cornified epithelium and it consists of Stratum corneum, Stratum lucidum, Stratum granulosum, Stratum spinosum and Stratum cylindricum or basale
• Dermis is having superficial areolar or papillary layer forming finger like papillary projections into epidermis and deeper reticular layer made up of dense irregular connective tissue

Thin skin (View image)

• It is devoid of Stratum lucidum. Hair follicles are present. Sebaceous glands open into neck of follicles
• Arrectores pilorum muscle arises from papillary layer and pass below sebaceous glands and is inserted to connective tissue sheath surrounding follicle