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Прибл. 36 часа на выполнение

Предполагаемая нагрузка: 8 weeks of study; 4–5 hours/week...
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Английский

Субтитры: Английский
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Начальный уровень

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Часов на завершение

Прибл. 36 часа на выполнение

Предполагаемая нагрузка: 8 weeks of study; 4–5 hours/week...
Доступные языки

Английский

Субтитры: Английский

Программа курса: что вы изучите

Неделя
1
Часов на завершение
1 ч. на завершение

Course Orientation

The series of videos and readings provided here are aimed at introducing this course in Lactation Biology. Course organization is described. Requirements for participation in the course are summarized. And, opportunities for learners to engage in the course content, as well as with each other, are indicated. ...
Reading
2 видео ((всего 10 мин.)), 5 материалов для самостоятельного изучения, 2 тестов
Video2 видео
Lactation Word Cloud2мин
Reading5 материала для самостоятельного изучения
Course Syllabus10мин
About the Discussion Forums1мин
Social Media5мин
Updating Your Profile5мин
Study Aid Activities Overview5мин
Quiz2 практического упражнения
Orientation Quiz5мин
Demographics Survey26мин
Часов на завершение
1 ч. на завершение

Module 1: Introduction to Lactation Biology

In this module, we will introduce some basic definitions of terms related to the biology of lactation, provide an overview of milk, and briefly introduce the phylogenetic organization and evolution of mammals. Learning the definitions will be important for establishing a baseline vocabulary that will help reduce confusion about topics presented in subsequent videos. Milk, a primary product of the lactation process, will be introduced in an effort to provide a foundation for later modules in which milk and milk composition are explored in greater depth. The series of videos about mammals collectively offer a brief overview of the wide spectrum of these animal species, as well as some thoughts on how lactation came to be an integral part of the reproductive strategy of those species....
Reading
8 видео ((всего 58 мин.)), 2 материалов для самостоятельного изучения, 2 тестов
Video8 видео
Definitions Part 27мин
An Overview of Milk5мин
How Much Milk?4мин
Milk Products6мин
Mammals10мин
Mammalian Evolution5мин
Why Lactate?9мин
Reading2 материала для самостоятельного изучения
Module 1 Overview5мин
Optional: Study Aids5мин
Quiz2 практического упражнения
Lesson 1-1 Quiz10мин
Lesson 1-3 Quiz10мин
Часов на завершение
4 ч. на завершение

Module 2: Mammary Gland Structure

One of the most fundamental requirements for understanding any aspect of biology is to appreciate the relationships that exist between form and function, or anatomy and physiology. In the case of lactation and the mammary gland, it is important to be able to visualize the various levels of mammary gland structure in order to understand how the mammary gland grows and functions. This module presents an overview of mammary gland anatomy and macrostructure using the dairy cow as our primary example. In addition, the tissue, cellular, and subcellular levels of mammary structure are presented. The module provides a conceptual foundation that will allow you to individually explore mammary gland anatomy and microstructure in other mammalian species. ...
Reading
19 видео ((всего 130 мин.)), 2 материалов для самостоятельного изучения, 5 тестов
Video19 видео
Mammary Lobes6мин
Simple vs Complex Glands4мин
Mammary Anatomy at the Cow Side10мин
Mammary Suspensory System9мин
Median Suspensory Ligament2мин
Structure of Teats and Cisterns6мин
Supernumerary Teats4мин
Mammary Blood System10мин
Mammary Lymph System6мин
Mammary Nervous System3мин
Introduction to Mammary Microstructure6мин
Microstructure - 2D and 3D8мин
Lobules5мин
More on Lobules9мин
Alveoli and Their Environment7мин
Myoepithelial Cells5мин
Mammary Cell Ultrastructure Part 18мин
Mammary Cell Ultrastructure Part 25мин
Reading2 материала для самостоятельного изучения
Module 2 Overview5мин
Optional: Study Aids5мин
Quiz5 практического упражнения
Lesson 2-1 Quiz10мин
Lesson 2-2 Quiz12мин
Lesson 2-3 Quiz10мин
Lesson 2-4 Quiz10мин
Week 1 Quiz30мин
Неделя
2
Часов на завершение
5 ч. на завершение

Module 3: Milk Composition

Milk is the product of the lactation process. Such a simple statement does not come close to doing justice to the complex nature of this biological fluid. In this module, we explore the major components of milk, as well as provide a basis for understanding milk as a product that we purchase in a store. Mechanisms of synthesis of milk components are introduced. And, several videos include discussions of the nature of differences in milk composition among mammalian species, including comparisons of cow milk with human milk....
Reading
27 видео ((всего 178 мин.)), 2 материалов для самостоятельного изучения, 7 тестов
Video27 видео
Milk Components Demo2мин
Perspectives on Milk Composition7мин
Milk Under the Microscope5мин
Major Milk Fractions5мин
From Cow to Store10мин
Total Solids4мин
Lactose7мин
Lactose Intolerance4мин
Lactose Synthesis8мин
Milk Protein4мин
Casein8мин
Casein Demo5мин
Whey Proteins9мин
Milk Protein Synthesis8мин
Milk Fat4мин
Fatty Acids6мин
Milk Fat - Species Comparisons5мин
Milk Fat Synthesis15мин
Milk Minerals10мин
Milk Vitamins2мин
Cells in Milk6мин
More on Milk Cells1мин
Milk Bioactive Factors8мин
Species Comparisons of Milk7мин
Cow vs. Human Milk Composition5мин
Wrapping Up Milk Composition4мин
Reading2 материала для самостоятельного изучения
Module 3 Overview5мин
Optional: Study Aid5мин
Quiz7 практического упражнения
Lesson 3-1 Quiz10мин
Lesson 3-2 Quiz10мин
Lesson 3-3 Quiz10мин
Lesson 3-4 Quiz10мин
Lesson 3-5 Quiz10мин
Lesson 3-6 Quiz10мин
Week 2 Quiz30мин
Неделя
3
Часов на завершение
3 ч. на завершение

Module 4: Mammary Gland Development

The tissue that we know of as the mammary gland (or udder or breast) may appear as relatively uncomplicated compared with some internal organs such as the heart or brain. The gland is outside the body wall, has a nipple or teat in most species, and has a series of ducts by which milk that is produced in microscopic blind tubes can be expressed from the gland. How can such a gland develop and what regulates that development? It turns out that the initial stage of development occurs extremely early in the fetal development of the animal. It then proceeds through a series of developmental phases, many of which are closely linked with the reproductive functioning of the animal, and eventually leading to the time when the gland is producing milk. Furthermore, the mammary gland is one of a few tissues that undergoes repeated cycles of development, functioning, regression, and redevelopment, again associated with the reproductive cycles of the animal. This module describes the various stages of mammary development and provides the framework for understanding how these stages relate to each other, as well as to the functionality of the gland....
Reading
11 видео ((всего 79 мин.)), 2 материалов для самостоятельного изучения, 4 тестов
Video11 видео
Fetal Stage - 26мин
Fetal Stage - 36мин
Prepubertal Stage - 17мин
Prepubertal Stage - 23мин
Postpubertal Stage7мин
Development During Pregnancy - 12мин
Development During Pregnancy - 26мин
Development During Pregnancy - 35мин
Lactation7мин
Bovine Mammary Development13мин
Reading2 материала для самостоятельного изучения
Module 4 Overview5мин
Optional: Study Aid5мин
Quiz4 практического упражнения
Lesson 4-1 Quiz10мин
Lesson 4-2 Quiz10мин
Lesson 4-3 Quiz10мин
Week 3 Quiz30мин
Неделя
4
Часов на завершение
5 ч. на завершение

Module 5: Mother & Neonate

The peripartum period, the time shortly before, during, and after giving birth, is a time of rapid changes in the mammary gland, the mother, and the neonate. Extensive physiological coordination occurs between the processes leading up to and giving birth, the formation of colostrum, the initiation of lactation in the mammary gland, and the subsequent removal of milk by the neonate. In this module, we explore how the mammary gland changes around the time of giving birth when the gland transitions from a non-lactating to a lactating state. Part of this transition is the production of colostrum, the first mammary secretion produced by the gland after giving birth. Another part of the transition is the changing regulation of mammary gland function from one being driven primarily by hormones associated with pregnancy and parturition to one where milk removal, by the neonate or milking machine, is the driving force in gland function after birth. In this module, we examine some basic characteristics of the neonate, how lactation is initiated (lactogenesis), and the formation and special components of colostrum (immunoglobulins) and their impact on the neonate....
Reading
17 видео ((всего 124 мин.)), 2 материалов для самостоятельного изучения, 7 тестов
Video17 видео
A Cow Calving3мин
The Neonate8мин
Lactogenesis & Its Stages7мин
Secretory Differentiation8мин
Secretory Activation & Lactose Synthesis7мин
Hormonal Regulation5мин
Comparative Hormonal Regulation7мин
Prolactin - Sources4мин
Prolactin - Control of Secretion5мин
Prolactin - Other Regulation5мин
Colostrum Composition12мин
Immunoglobulins in Colostrum6мин
Colostrum & the Neonate10мин
Immunoglobulin Receptor6мин
Mammary Transport of Immunoglobulin7мин
Immunoglobulin Transport to the Neonate6мин
Reading2 материала для самостоятельного изучения
Module 5 Overview5мин
Optional: Study Aid5мин
Quiz6 практического упражнения
Lesson 5-1 Quiz10мин
Lesson 5-2 Quiz10мин
Lesson 5-3 Quiz10мин
Lesson 5-4 Quiz10мин
Lesson 5-5 Quiz10мин
Week 4 Quiz30мин

Преподаватель

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Dr. Walter Hurley, PhD

Professor Emeritus
Department of Animal Sciences

О University of Illinois at Urbana-Champaign

The University of Illinois at Urbana-Champaign is a world leader in research, teaching and public engagement, distinguished by the breadth of its programs, broad academic excellence, and internationally renowned faculty and alumni. Illinois serves the world by creating knowledge, preparing students for lives of impact, and finding solutions to critical societal needs. ...

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