Integumentary system

Human palm skin
stratum granulosum
stratum spinosum
stratum corneum
reticular layer of dermis
stratum basale
papillary layer of dermis

specimen
label

Human palm skin
stratum corneum
stratum lucidum
stratum granulosum
stratum spinosum
stratum granulosum
papillary layer of dermis

specimen
label

stratum corneum
stratum spinosum
stratum granulosum
stratum basale
papillary layer of dermis
epidermal ridge

specimen
label

melanocytes

Stratum basale
• brownish color is due to _________

Human scalp
thin skin
stratum lucidum
stratum corneum
stratum spinosum
stratum basale
papillary layer of dermis
dermal papillae

specimen
type of skin:
due to this type of skin, it does not have this layer:

Label

Human palm skin
papillary layer of dermis
dermal papillae
epidermal ridge
reticular layer of dermis
sweat gland
sweat gland
sweat gland

specimen:
label

Human brown skin
sweat gland
sweat gland
hair follicle
reticular of dermis
papillary of dermis

specimen:
label

Human scalp
hair
continuous with stratum basale and external root sheath
sebaceous gland
arrector pili muscle
hair
medulla
cortex
sweat gland

specimen:
label

Arrector pili muscle

when it contracts, causes goosebumps

Human scalp
connective tissue sheath
glassy membrane
external root sheath
cortex
internal root sheath
hair
sebaceous gland
basal cell of sebaceous gland
sweat gland

specimen
label

Basal cell of sebaceous gland

undergoes mitotic division, pushes the cells which eventually disintegrates

Holocrine secretion

Sebaceous gland
• type of secretion:

reticular layer of dermis
hypodermis
adipose cell

specimen
label

periphery

Adipose cell
• nuclei location:

Human scalp
longitudinal section
hypodermis
adipocyte
medulla
cortex
external root sheath
internal root sheath
connective tissue sheath
dermal papillae

specimen:
type of section:
label

Human scalp
cross section
glassy membrane
connective tissue sheath
internal root sheath
medulla
cortex
external root sheath

specimen
type of section:
label

yes

Is glassy membrane continuous with stratum basale

Glassy membrane
external root sheath

____________
• is continuous with the basement membrane
• is part of the ___________

Connective Tissue Sheath

lies on the dermis

hair
internal root sheath
sebaceous gland
external root sheath
connective tissue sheath
arrector pili muscle
sweat gland

specimen
type of section:

label

Human scalp
longitudinal section
myoepithelial cell
duct of sweat gland

specimen
type of section:

label

stratified cuboidal epithelium

Ducts of sweat glands
• type pf epithelium:

Myoepithelial cell

contraction for the release of sweat in sweat glands

human scalp
cross section
sebaceous gland
sebaceous gland
glassy membrane
connective tissue sheath
duct of sweat gland
blood vessel
external root sheath
hair
sebaceous gland
blood vessel
duct of sweat gland

specimen
type of section: