Melanosomes - Study guides, Class notes & Summaries

Integumentary System Latest Version 100% Pass Integumentary System: Location ~ Skin ~ Hair ~ Nails ~ Sweat Glands ~ Sebaceous Glands Skin: Characteristics Epidermis - most superficial ~ mostly stratified squamous epithelium (keratinized) ~ avascular Epidermis cell characteristics ~ Keratinocytes ~ tightly connected by desmosomes ~ lose millions every day (slough off) Keratinocytes an epidermal cell that produces keratin, the fibrous protein that helps give the epidermis its protective propert...

dark hair with white forelock, bilateral sensorineural hearing loss and heterochromia irides (different sized pupils) due to what? correct answers Waardenburg syndrome- depigmentation of hair, skin, irises- AD, neural crest cells don't properly differentiate into melanoblasts or they don't migrate to their appropriate location Where is GIP secreted from? Function? correct answers K cells (duodenum, jejunum) functions to decrease gastric acid production and increase insulin release from pan...

A&P Exam 2 Review Question and answers 100% correct A&P Exam 2 Review Layers of Epidermis - correct answer 4 Cell Types of Epidermis - correct answer 1. *Keratinocytes* - produce fibrous protein keratin 2. *Melanocytes* - produce melanin to protect against UV rays/determines skin pigment 3. *Dendritic (Langerhans) cells* - immune cells from white blood cell line 4. *Tactile (Merkel) cells* - "Merkels disc" nerve cells in stratum basale Function of Stratum Basale (Basal Layer) -...

A&P 2 University Of Memphis -A&P Exam 2 Review questions with verified solutionsLayers of Epidermis - correct answer 4 Cell Types of Epidermis - correct answer 1. *Keratinocytes* - produce fibrous protein keratin 2. *Melanocytes* - produce melanin to protect against UV rays/determines skin pigment 3. *Dendritic (Langerhans) cells* - immune cells from white blood cell line 4. *Tactile (Merkel) cells* - "Merkels disc" nerve cells in stratum basale Function of Stratum Basale (Basal Lay...

A&P Exam 2 ReviewLayers of Epidermis - correct answer 4 Cell Types of Epidermis - correct answer 1. *Keratinocytes* - produce fibrous protein keratin 2. *Melanocytes* - produce melanin to protect against UV rays/determines skin pigment 3. *Dendritic (Langerhans) cells* - immune cells from white blood cell line 4. *Tactile (Merkel) cells* - "Merkels disc" nerve cells in stratum basale Function of Stratum Basale (Basal Layer) - correct answer -deepest epidermal layer -single row of s...

A&P Exam 2 Review Chamberlain College Nursing - Question and answers rated A+ A&P Exam 2 Review Layers of Epidermis - correct answer 4 Cell Types of Epidermis - correct answer 1. *Keratinocytes* - produce fibrous protein keratin 2. *Melanocytes* - produce melanin to protect against UV rays/determines skin pigment 3. *Dendritic (Langerhans) cells* - immune cells from white blood cell line 4. *Tactile (Merkel) cells* - "Merkels disc" nerve cells in stratum basale Function of St...

A&P 2 University Of Memphis -A&P Exam 2 Review well answered Layers of Epidermis - correct answer 4 Cell Types of Epidermis - correct answer 1. *Keratinocytes* - produce fibrous protein keratin 2. *Melanocytes* - produce melanin to protect against UV rays/determines skin pigment 3. *Dendritic (Langerhans) cells* - immune cells from white blood cell line 4. *Tactile (Merkel) cells* - "Merkels disc" nerve cells in stratum basale Function of Stratum Basale (Basal Layer) - correct ans...

Chapter 5 Integumentary System Latest Update 100% Pass The integumentary system consists of... skin, hair, glands, and nails Functions of the integumentary system include: protection, sensation, temperature regulation, vitamin D production, and excretion epidermis stratified squamous epithelium divided into five strata five strata of epidermis include: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum stratum basale Bottom layer of the epidermis. cuboida...

Biology of Skin Color Verified A+ MC1R Allele - The MC1R allele is a receptor that activates the production of darker eumelanin pigment, as opposed to lighter pheomelanin. - This allele is highly active in individuals of African descent, resulting in elevated eumelanin expression. - Research indicates that there is minimal genetic variation in the MC1R allele among African populations. Selection for Skin Color in Equatorial Africa - There is negative selection against light skin color in...

Biology SKIN Study Exam Questions Correctly Answered. Why is vitamin D important to our health? - CORRECT ANSWER allows for us to break down calcium, which helps strengthen bones and immune system What is the connection between skin, sunlight, and vitamin D? - CORRECT ANSWER UV B is a type of radiation from the sun that starts the process of converting inactive vitamin D in the epidermis to the active kind You are a pediatrician and have determined that a young patient is at risk for ri...