The Integumentary System by MoonlightBae https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc Made with a dash of half ass talent en-us 2020-10-13 14:44:10 UTC 2026-03-02 21:19:25 UTC hello@padlet.com https://padlet.net/icons/png/1f468-2695.png The Integumentary System jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825117369 By: Jeremyah L. Rodriguez]]> 2020-10-13 14:46:44 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825117369 Keratinocytes and Melanocytes jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825125711 * produce fibrous protein keratin; arise in stratum basale; these cells undergo continuous mitosis

* epithelial cells that synthesize the pigment melanin. Found in the stratum basale.]]> 2020-10-13 14:48:33 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825125711 Langerhans jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825132666 Marcrophages that activate the immune system.]]> 2020-10-13 14:50:05 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825132666 Structure and Development jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825134284 The integumentary system covers the surface of the embryo (skin) and its specialized skin structures including hair, nails, sweat glands, mammary glands and teeth. ... Ectoderm forms the surface epidermis and the associated glands. Mesoderm, from the somites, forms the underlying connective tissue of dermis and hypodermis.]]> 2020-10-13 14:50:26 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825134284 Stratum Coreum-layer of cells-30 jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825137034 (horny layer) 20 to30 cell layers thick that accounts for up to ¾ of the epidermal thickness. Keratin and thickened plasma membranes of cells protect the skin against abrasion and penetration and glycolipids b/w its cells waterproofs this layer. Barrier against biological, chemical, and physical assaults.]]> 2020-10-13 14:51:03 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825137034 Covering and Lining jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825139403 The skin or cutis covers the entire outer surface of the body. Structurally, the skin consists of two layers which differ in function, histological appearance and their embryological origin. The outer layer or epidermis is formed by an epithelium and is of ectodermal origin.]]> 2020-10-13 14:51:34 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825139403 Basale jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825140344 * is the most important layer of the spidermis
* is a single row of cells
* is the closets to the basement membrane 
* the desmosomes hold keratinocyte together
* one daughter cells stays in basale layer the othr daughter cell is pushed up toward the surface and become keratinized
]]> 2020-10-13 14:51:47 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825140344 Thermoregulation jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825152944 Thermoregulation. The integumentary system helps regulate body temperature through its tight association with the sympathetic nervous system, the division of the nervous system involved in our fight-or-flight responses. ... When the sweat evaporates from the skin surface, the body is cooled as body heat is dissipated.]]> 2020-10-13 14:54:28 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825152944 Cutaneous sensations jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825154261 Somatic sensations that arise from stimulating the skin surface]]> 2020-10-13 14:54:46 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825154261 Protection against germs jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825158189 Skin is a barrier that serves as one of the body's first lines of defense against harmful microbes. Specialized immune cells within skin tissue help to fight invading organisms. Yet the skin hosts diverse communities of beneficial bacteria, collectively known as the skin microbiota.]]> 2020-10-13 14:55:36 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825158189 Lucidum jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825160392 together with hair, nails, and glands — composes the integumentary system. ... Stratum lucidum (from the Latin word for “clear”) is found only in the thick skin on the palms of the hands and the soles of the feet.]]> 2020-10-13 14:56:05 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825160392 Granulosm jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825162997 3-5 layers flattened keratinocytes, apoptosis, contains protein keratohhyalin which converts tonofilaments in keratin. Lamellar granules (water repellant)]]> 2020-10-13 14:56:37 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825162997 Merkel cell jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825165067 * Function as touch receptors, associated with sensory nerve endings.
Merkel cells (shown in blue) are located in the basal epidermal layer of the skin. Merkel cells, also known as Merkel-Ranvier cells or tactile epithelial cells, are oval-shaped mechanoreceptors essential for light touch sensation and found in the skin of vertebrates.]]> 2020-10-13 14:57:04 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825165067 Corneum jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825167543 25- 30 layers flattened dead keratinocytes. Functions: water repellant, protect from injury and microbial invasion.]]> 2020-10-13 14:57:37 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825167543 Sensory jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825173384 Can be classified by their structure. All sensory receptors in the skin are the dendrites of the sensory neurons that carry info to the central nervous system. In FREE nerve endings, the dendrites are BARE; in ENCAPSULATED nerve endings, the dendrites are surrounded by a CT capsule.]]> 2020-10-13 14:58:55 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/825173384 Langerhans (Macrophages) jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832171134 2020-10-15 13:16:11 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832171134 Comparisons jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832181851 2020-10-15 13:18:40 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832181851 jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832511162 2020-10-15 14:33:45 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832511162 jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832533120 2020-10-15 14:38:39 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832533120 jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832555515 2020-10-15 14:43:41 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832555515 jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832590894 2020-10-15 14:51:27 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832590894 The layers jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832608069 Protection
Microorganism, dehydration, ultraviolet light, mechanical damage

Sensation
Sense pain, temperature, touch, deep pressure

Allows movement
Allows movement muscles can flex & body can move


Endocrine
Vitamin D production by your skin

Excretion
Water, urea, ammonia

Immunity
Helps alert the body of pathogens

Regulate Temperature
By sweating to cool and shivering to warm
]]> 2020-10-15 14:55:19 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832608069 jerrylol3000 https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832612824 2020-10-15 14:56:26 UTC https://padlet.com/jerrylol3000/yrk2aycvv6wd27mc/wish/832612824