Exam 3 - SKIN Flashcards
Blue arrows =
Red arrows =

Blue arrows = principal (guard) hair
Red arrows = auxiliary (wool) hairs.

Blue arrows =

Blue arrows = arrector pili muscle

Blue arrows =

Blue arrows = sebaceous gland

Green asterisk =

Green asterisks = cutaneous trunci

Blue arrows =
Red arrows =
Green arrows =
Purple asterisks =

Blue arrows = epidermis
Red arrows = arrector pili muscle
Green arrows = sebaceous glands
Purple asterisks = apocrine sweat glands.

Red arrows =
Blue arrows =

Red arrows = germinal matrix
Blue arrows = dermal papilla

Red arrows =

Red arrows = apocrine sweat glands

What layer of skin is this?
What two things are seen in this layer?

Dermis

black -
yellow -

black=inner root sheath
yellow=outer root sheath
pink=basement membrane.

black =
yellow =
pink =

black=inner root sheath
yellow=outer root sheath
pink=basement membrane.

What is this?
Black =
Yellow =
Pink =

Hair bulb:
Arrows: black=inner root sheath
yellow=outer root sheath
pink=basement membrane

What is this?
Red arrows =
Unlabeled dark speckles =

Germinal matrix:

Melanocytes (red arrows) and melanosomes (unlabeled dark speckles) in the bulb germinal matrix.