Merkel cells Study guides, Class notes & Summaries

BIOD 151 MODULE 7 EXAM WITH COMPLETE SOLUTIONS   components of integumentary system (3) - skin hair nails   largest organ in the body - skin   layers of skin - epidermis dermis hypodermis   outer layer of skin - epidermis   middle layer of skin - dermis   inner layer of skin - hypodermis   functions of skin (3) - 1. protection from pathogens 2. production of vitamin D 3. contain sense organs for protection of skin and underlying ...

Name the five types of Cell Adhesion Molecules? Which type enables cells to detect and interact with components of the extracellular matrix? - correct answer1. Cadherins 2. Immunoglobulin Superfamily (IGSF) 3. Selectins 4. Integrins 5. Mucins Integrins allow cells to interact with the surrounding environment or components of the ECM. What are the layers of the epidermis from most superficial to most deep? - correct answerStratum corneum Stratum lucidum Stratum granulosum Stratum spi...

Merkel Cell Sensory information detected – they are sensory receptors that are found on the skin outermost layer in areas like lips, fingertips and touch-sensitive regions like (mechanoreceptors) Meissner’s Corpuscles Sensory information detected – Detects light touch and low- frequency vibration (Mechanoreceptor) Pacinian Corpuscles Sensory information detected – Detects deep pressure and high frequency vibrations Layers of epidermis from deep to superficial- Stratum Basale, S...

How often does epidermal turnover occur? -Answer Every 26-42 days Epidermal Cells: Keratinocytes -Answer Produce keratin, make of 80% of the epidermis Epidermal Cells: Melanocytes -Answer Determine the color of the skin Epidermal Cells: Langerhans Cells -Answer Assist with skin immune system Epidermal Cells: Merkel Cells -Answer Provide tactile reception, produce nerve growth factor Rete Ridges/Pegs -Answer Fingerlike extensions that anchor the epidermis to the dermis Ski...

Anatomy and Physiology Chapter 5: The Integumentary System Questions and Answers Rated A+ Functions of skin Protection, Thermoregulation, Cutaneous Sensation, Vitamin D synthesis, Blood Reservoir, Excretion and Absorption. Protective elements of skin Keratin, Lipids, Glandular Secretions, Melanin Thermoregulation Controls internal temp Vitamin D synthesis You need Vitamin D to absorb calcium Epidermis Superficial layer of skin. Avascular. 4 different cell types (Keratinocytes, Melanocytes, L...

IUPUI Anatomy Final Exam Questions and Answers 100% Pass What is the major function of mitochondria? - Answer- produce ATP Trabeculae are found in? - Answer- Spongy Bone The primary site of protein synthesis is the? - Answer- Ribosome In anatomical description, a person is prone when? - Answer- lying face down in anatomical position The phagocytic cells in the epidermis are? - Answer- Langerhans cells In osseous tissue, which of the following are found in lacunae? - Answer- Osteocytes T...

ATI TEAS 7 SCIENCE PRACTICE TEST 2024 LATEST 100 QUESTIONS AND GUARANTEED HIGHLIGHTED ANSWERS ALREADY A GRADE. which layer of the skin contain langerhan cells (phagocytes)? - ANSWER- stratum spinosum where are the cutaneous receptors that detect light found in the skin (merkel cells)? - ANSWER- stratum basale appocrine glands - ANSWER- lie deeper in the dermis, activate onset of puberty in response sex hormones

The midface and all structures of the oral cavity except the posterior part of the tongue develop from the: - ANSWERFrontal Process and first branchial arch. The formation of an ameloblast from cells of inner enamel epithelium is an example of: A. histodifferentiation B. morphodifferentiation C. odontogenesis D. dental Lamina E. dentinogenesis - ANSWERA. histodifferentiation Which structure becomes the dentinoenamel junction of the fully formed tooth? A. Outer enamel epithelium B. S...

BIO 210 Chapter 5 Already Graded A epidermis superficial region of skin composed of epithelial cells dermis middle region of skin composed mainly of fibrous connective tissue (fibroblasts) and occasionally mast cells as well as white blood cells hypodermis subcutaneous layer deep to skin composed mainly of adipose tissue, not technically part of the skin keratinocytes cells in epidermis that produce fibrous protein keratin; dead at the surface and held together by desmosomes when ...

Skin renews itself every ___ days. 28 What is integument? A cutaneous membrane that covers the body and is a barrier to the outside world. What is another name for the subcutaneous layer? Hypodermis The epidermis is composed of ___ ___ ___ and the dermis is composed of ___ ___ ___ ___. stratified squamous epithelium; dense irregular connective tissue What layer, deep to dermis, adheres to underlying tissue? Hypodermis What layer is composed of areolar and connective tissue? Hypodermis...