Prof. Luis Urrutia Morales Mg Sc Facultad Ciencias de la Salud Clase: PIEL Y ANEXOS Prof. Luis Urrutia Morales Mg Sc Depto. Biomédico Facultad Ciencias de la Salud
Generalidades del Sistema Tegumentario Se origina a partir del Ectodermo y Mesodermo embrionario Representa entre el 6 al 15 % del peso corporal (3-10 kg) Mide de 1,5 a 2 m² de extensión
Funciones del Sistema Tegumentario Determina la forma del cuerpo Actúa como barrera (mecánica, química, física, etc.) Tiene función defensiva y reparativa Participa en la regulación térmica corporal Colabora en el equilibrio del agua Presenta una alta sensorialidad Secreción y absorción de diversos productos Organo de comunicación
Sistema Tegumentario (Piel y Anexos) Epidermis Dermis Hipodermis (Tejido Subcutáneo) 2.- Anexos Receptores nerviosos Glándulas Sebáceas Glándulas Sudoríparas ecrinas Glándulas Sudoríparas apocrinas Glándulas Mamarias (*) Pelos y folículos Uña
Sistema Tegumentario (Piel y Anexos) Origen
Estructura de la Piel Epidermis Dermis Hipodermis Permission to use this slide (a matter of academic integrity) *If you are Kevin Patton's current student, you may use any slide for your own personal educational purpose. **If you are a student not currently in Kevin's courses, you may use any slide for your own personal educational purpose and are also encouraged to feed the lions at http://www.lionden.com/feed_the_lions.htm ***If you are a teacher you may use any slide for your own nonprofit educational purpose and are also expected to feed the lions for each use of a slide. http://www.lionden.com/feed_the_lions.htm ****Commercial use is available only with Kevin's express written permission. © KPatton@lionden.com . All rights reserved. DO NOT REMOVE THIS COPYRIGHT NOTICE LINE. Feedback, suggestions, corrections are most welcome!
Unión Dermo-epidérmica Epidermis Epitelio de revestimiento Estratificado Escamoso keratinizado Membrana Basal Dermis Epidermis Unión Dermo-epidérmica Hipodermis Permission to use this slide (a matter of academic integrity) *If you are Kevin Patton's current student, you may use any slide for your own personal educational purpose. **If you are a student not currently in Kevin's courses, you may use any slide for your own personal educational purpose and are also encouraged to feed the lions at http://www.lionden.com/feed_the_lions.htm ***If you are a teacher you may use any slide for your own nonprofit educational purpose and are also expected to feed the lions for each use of a slide. http://www.lionden.com/feed_the_lions.htm ****Commercial use is available only with Kevin's express written permission. © KPatton@lionden.com . All rights reserved. DO NOT REMOVE THIS COPYRIGHT NOTICE LINE. Feedback, suggestions, corrections are most welcome!
Está constituida por 2 de poblaciones celulares: Epidermis Epitelio de revestimiento Estratificado escamoso keratinizado Está constituida por 2 de poblaciones celulares: 1.- Keratinocitos o células formadoras de queratina 2.- No Keratinocitos
Estratos de la Epidermis 1.- Keratinocitos Estratos de la Epidermis Estrato córneo Estrato lúcido Estrato granuloso Estrato espinoso Permission to use this slide (a matter of academic integrity) *If you are Kevin Patton's current student, you may use any slide for your own personal educational purpose. **If you are a student not currently in Kevin's courses, you may use any slide for your own personal educational purpose and are also encouraged to feed the lions at http://www.lionden.com/feed_the_lions.htm ***If you are a teacher you may use any slide for your own nonprofit educational purpose and are also expected to feed the lions for each use of a slide. http://www.lionden.com/feed_the_lions.htm ****Commercial use is available only with Kevin's express written permission. © KPatton@lionden.com . All rights reserved. DO NOT REMOVE THIS COPYRIGHT NOTICE LINE. Feedback, suggestions, corrections are most welcome! Estrato basal Membrana basal
Estratos de la Epidermis Permission to use this slide (a matter of academic integrity) *If you are Kevin Patton's current student, you may use any slide for your own personal educational purpose. **If you are a student not currently in Kevin's courses, you may use any slide for your own personal educational purpose and are also encouraged to feed the lions at http://www.lionden.com/feed_the_lions.htm ***If you are a teacher you may use any slide for your own nonprofit educational purpose and are also expected to feed the lions for each use of a slide. http://www.lionden.com/feed_the_lions.htm ****Commercial use is available only with Kevin's express written permission. © KPatton@lionden.com . All rights reserved. DO NOT REMOVE THIS COPYRIGHT NOTICE LINE. Feedback, suggestions, corrections are most welcome!
Estratos de la Epidermis 1.- Estrato Córneo: Queratina - 10 a 20 capas (piel delgada) - Sobre 100 capas (piel gruesa) 2.- Estrato Lúcido: Eleidina - 5 a 15 capas (sólo piel gruesa) 3.- Estrato Granuloso: Gránulos de keratohialina - 1 capa (piel delgada) - 4 a 12 capas (piel gruesa) 4.- Estrato Espinoso: - 5 a 7 capas (piel delgada) - 10 a 14 capas (piel gruesa) 5.- Estrato Basal (germinativo) - 1 capa Permission to use this slide (a matter of academic integrity) *If you are Kevin Patton's current student, you may use any slide for your own personal educational purpose. **If you are a student not currently in Kevin's courses, you may use any slide for your own personal educational purpose and are also encouraged to feed the lions at http://www.lionden.com/feed_the_lions.htm ***If you are a teacher you may use any slide for your own nonprofit educational purpose and are also expected to feed the lions for each use of a slide. http://www.lionden.com/feed_the_lions.htm ****Commercial use is available only with Kevin's express written permission. © KPatton@lionden.com . All rights reserved. DO NOT REMOVE THIS COPYRIGHT NOTICE LINE. Feedback, suggestions, corrections are most welcome!
Estratos de la Epidermis Permission to use this slide (a matter of academic integrity) *If you are Kevin Patton's current student, you may use any slide for your own personal educational purpose. **If you are a student not currently in Kevin's courses, you may use any slide for your own personal educational purpose and are also encouraged to feed the lions at http://www.lionden.com/feed_the_lions.htm ***If you are a teacher you may use any slide for your own nonprofit educational purpose and are also expected to feed the lions for each use of a slide. http://www.lionden.com/feed_the_lions.htm ****Commercial use is available only with Kevin's express written permission. © KPatton@lionden.com . All rights reserved. DO NOT REMOVE THIS COPYRIGHT NOTICE LINE. Feedback, suggestions, corrections are most welcome!
2.- No Keratinocitos Melanocitos Célula de Merkel Célula de Langerhans Linfocitos
2.- No Keratinocitos Melanocitos
Pigmentación de la piel: Eumelanina (melanocitos) = pigmentación oscura Carotenoides (dermis) = pigmentación amarilla- anaranjada Oxihemoglobina (vasos sanguíneos) = pigmentación rojiza
2.- No Keratinocitos Melanocitos
2.- No Keratinocitos Melanocitos
Radiación Ultravioleta (UV) UV B UV C UV A Capa de Ozono Radiación UV Destruye DNA Promueve cáncer Producción de vitamina D Epidermis Dermis Permission to use this slide (a matter of academic integrity) *If you are Kevin Patton's current student, you may use any slide for your own personal educational purpose. **If you are a student not currently in Kevin's courses, you may use any slide for your own personal educational purpose and are also encouraged to feed the lions at http://www.lionden.com/feed_the_lions.htm ***If you are a teacher you may use any slide for your own nonprofit educational purpose and are also expected to feed the lions for each use of a slide. http://www.lionden.com/feed_the_lions.htm ****Commercial use is available only with Kevin's express written permission. © KPatton@lionden.com . All rights reserved. DO NOT REMOVE THIS COPYRIGHT NOTICE LINE. Feedback, suggestions, corrections are most welcome! Membrana Basal Hipodermis
2.- No Keratinocitos Melanocitos
2.- No Keratinocitos Célula de Merkel
2.- No Keratinocitos Célula de Langerhans
2.- No Keratinocitos Célula de Langerhans
2.- No Keratinocitos Linfocitos