HSC Chapter 4

sf college

Cutane

skin

derm

skin

dermat

skin

trich

hair

onych

nail

hidr

sweat

Seb

sweat

Cutaneous Membrane

skin

Kerat

horney tissue/ cornea of eye

Myc

fungus

Pachy

thick

Rhytid

Thick

Rhytid

wrinkles

Scler

hard

Staphyl

grape like clusters

STrep

twisted chains

Xer

dry

-a

word is a noun

-ia

condition of a state(abnormal)

-coccus

berry-shaped form

-ectomy

surgical removal

-malacia

softening

-phagia-

eating or swallowing

-plasty

surgical repair

-rrhea

flow, discharge

Epi-

Intra-

within

Para-

Beside, beyong, around, abnormal

per-

through

Sub-

under, below

Trans-

through, across, beyond

Epidermis

outermost layer, protective barrier, avascular, contains keratinocytes and melanocytes

Dermis

Middle, strength/elasticity, contains blood vessels, nerves, sweat glands, hair follicles

HypoDermis (Subcutaneous Layer)

deepest, insulates and cushions internal organs, stores fat for energy, anchors skin, nerves, blood vessels

Keratin-

 a scleroprotein component of the cornified or horny layer of the epidermis, hair, and nails

Melanin

dark pigment produced by melanocytes

Hair

compressed, keratin-rich cells that arise from hair follicles

Hair follicles

 the sacs that enclose hair fibers

Nails

plates made from flattened epithelial cells

Sebaceous glands

secrete oily sebum into the hair follicles

Sudoriferous glands

coiled, tubular structures that secrete sweat through pores

Dermatoplasty

surgical repair of the skin

Rhytidectomy

excision of the wrinkles (facelift)

Cauterization

destruction of the tissue with hot/cold/caustic

Cryosurgery

 destruction of tissue with extreme cold

Debridement

 removal of dead tissue from an open wound

Excision

removal by cutting

Incision

surgical cut produced by a sharp instrument

Suturing

 to stitch the edges of a wound surgically