permanent pathological death of tissue by trauma, infection or lack of oxygen
what is necrosis
Defining factor of the dermal layer
what are dermal papillae
these cells produce osteblasts
what are osteogenic stem cells
the repairing of tissues through the use of scar tissue
what is fibrosis
the portion of hair in the dermal layer

what is the hair bulb
This secretes substances such as hormones into blood
what are endocrine glands
the amount of this pigment depends on its exposure to UV rays
what is Melanin
connecting the lucanae, these allow communication between osteocytes
what are canaliculi
combination of these pigments creates red hair pigment
pheomelanin and eumalinin
Completely white skin

Albinism
this type of tissue growth involves the proliferation of preexisting cells
what is hyperplasia
this layer of the epidermis is comprised of apoptotic keratinocytes and is usually dark in color
what is Stratum Granulosum
makes up the inside and epiphyses of bones, characterized by pores
what is spongy bone
this line gets created in a bone when growth is completed and cartilage is depleted
what is the epiphyseal line
this genetically dark skin is losing pigmentation

what is Vitiligo
an internal membrane made of simple squamous epithelium over areolar connective tissue.
what are serous membrane (serosa)
this fine and pale hair is found on women and children
what is Vellus
exists in the axial skeleton and assists with hemopoiesis
what is red bone marrow
this part of the integumentary system starts within the dermal layer of the skin and extends outwards
what is hair
This gland only has 1 branch and sphereical secretory regions.
What is Simple Branched Acinar Gland
these glands secrete by apoptosis and disintegration. is also hydrophobic.
what are holocrine glands
Free edge, Nail body and Nail root make up this part of fingernail
what is the Nail plate
this formation of bone produces spongy bone that is remodeled to form compact bone
intramembranous ossification
the damaging of the epidermis and dermis that results in blisters
what is 2nd degree burn
the use of animal skin to heal wounds

what is a xenograft