BY 30 – Fall 2001

LECTURE 11: Connective Tissue / Integumentary System

Study Outline Answers

11.1. General Features of Connective Tissues

a. cells; extracellular

b. fibroelastic connective tissue; adipose; cartilage; bone; blood

c. fibroblasts; macrophages; plasma cells; mast cells; white blood cells

d. fibroblast; matrix components

e. macrophages; phagocytosis

f. plasma cells; antibodies

g. histamine; vasodilate

h. ground substance; fibers; proteoglycans; glycosaminoglycans (GAGs)

i. disaccharide; negative; GAGs

j. collagen; elastic; reticular; I; vitamin C; scurvy

k. elastin; fibrillin; fibrillin; aneurisms

l. collagen; reticular

11.2. Classifications of Connective Tissues

a. mesenchyme; mucoid connective tissue; mesenchyme; umbilical cord

b. loose; dense irregular; dense regular; areolar

c. loose FECT; dense irregular FECT; dense regular FECT; tendon; ligament

d. recticular; reticular CT cell

e. adipocyte; triglycerides; capillaries; energy storage; protection; heat loss; cushioning

f. hyaline; elastic; fibrocartilage; chrondrocyte; lacuna; avascular; perichondrium

g. II; I; elastic fibers

h. osteocyte; lacuna; I; calcifies

i. red blood cells; white blood cells; plasma

11.3. The Structure of Skin

a. organ; integumentary

b. thick; thin; dermatology

c. epidermis; dermis; stratified squamous, completely keratinized; dermis

d. organelles

e. stratum basale; stratum spinosum; stratum granulosum; stratum corneum; stratum basale; stratum corneum

f. keratinocytes; melanocytes; Langerhans cells; Merkel cells; keratinocytes; hemi-desmosomes

g. melanocytes; melanosomes; melanosomes; tyrosinase; melanocytes; u.v. radiation

h. Langerhans; Merkel; touch

i. stratum spinosum; desmosomes

j. stratum granulosm; keratohyalin; keratin; lipid

k. stratum corneum; keratin

l. papillary; reticular; papillary; dermal papillae; capillaries; Meisnner’s corpuscles; finger prints

m. reticular; coarse; hypodermis; subcutaneous

11.4. Accessory Structures of Skin

a. palms of the hand; soles of the feet; suns rays; heat loss; sensory; touch

b. shaft; root; bulb; papilla

c. melanin; tyrosinase

d. arrector pili; goose bumps

e. sebaceous; sweat; sebaceous glands; soft and pliable; bacterial; holocrine

f. sweat; merocrine; eccrine; apocrine

g. eccrine; dermis; ducts; stratified cuboidal

h. apocrine; puberty

11.5. Functions of Skin

a. protection; cutaneous sensation; exretion/absorption; thermoregulation; vitamin D synthesis

b. blood vessels; sweat