Integument

What cell shape is the epidermis?

stratified squamous

What kind of connective tisue is the dermis?

dense irregular connective tissue

Is the dermis highly vascular?

yes

What kind of connective tissue is the hypodermis?

loose connective tissue

What is the main function of the integument?

protection

Are melanocytes keratinocytes or nonkeratinocytes?

nonkeratinocytes

What cells are in the stratum basale layer?

cuboidal stem cells

Which stratum layer has a spiny appearance due to desmosome attachments?

stratum spinosum

Which stratum layer has keratohyalin granules?

Stratum granulosum

Which stratum layer is translucent?

stratum lucidum

Which stratum layer is anuclear?

stratum corneum

Which layer are non-keratinocytes in?

basal layer

What do keratinocytes phagocytize?

melanocytes

Are there blood vessels and nerves in the epidermis?

no

What is in the dermis?

blood vessels, lymph vessels, nerves

Which layer do glands and hair follicles reside in?

dermis

Where do glands and hair follicles originate from?

Epidermis

What kind of cells are in the hypodermis?

adipose cells

What is the primary sweat gland in domestic animals?

apocrine

Which gland is associated with hair follicles?

sebaceous

What cells are in the germinal layer of sebaceous glands?

simple cuboidal

What do sebaceous glands produce?

sebum

What do sebaceous glands secrete?

holocrine

What is the cuticle part of the hair shaft?

flat, keratinized cells overlapping

what is the cortex part of the hair shaft?

dense, compact, keratinized cells

What is the medulla part of the hair shaft?

loosely filled space

What are sinus(tactile) hairs?

Vibrissae (whiskers)

What does anagen in the hair growth cycle mean?

active

What does catagen in the hair growth cycle mean?

regressing

What does telogen in the hair growth cycle mean?

resting

Is the dermis of the equine hoof sensitive or insensitve lamina?

sensitive lamina

Is the epidermis (hoof wall) of the equine hoof sensitive or insensitive lamina? What specific layer is it?

insensitive lamina, stratum internum

Which part of the hoof does laminitis affect?

epidermis (hoof wall)

What is the shape of skin in the avian?

stratified squamous

Do avians have glands in their skin?

no

What is the uropygial (preen) gland in the avian? What does it produce?

bilobed gland at base of tail, produces sebaceous and ceruminous material