About this Course
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초급 단계

완료하는 데 약 37시간 필요

권장: 8 weeks of study; 4–5 hours/week...

영어

자막: 영어

100% 온라인

지금 바로 시작해 나만의 일정에 따라 학습을 진행하세요.

유동적 마감일

일정에 따라 마감일을 재설정합니다.

초급 단계

완료하는 데 약 37시간 필요

권장: 8 weeks of study; 4–5 hours/week...

영어

자막: 영어

강의 계획 - 이 강좌에서 배울 내용

1
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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.

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2 videos (Total 10 min), 5 readings, 2 quizzes
2개의 동영상
Lactation Word Cloud2m
5개의 읽기 자료
Course Syllabus10m
About the Discussion Forums1m
Social Media5m
Updating Your Profile5m
Study Aid Activities Overview5m
2개 연습문제
Orientation Quiz5m
Demographics Survey26m
완료하는 데 1시간 필요

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.

...
8 videos (Total 58 min), 2 readings, 2 quizzes
8개의 동영상
Definitions Part 27m
An Overview of Milk5m
How Much Milk?4m
Milk Products6m
Mammals10m
Mammalian Evolution5m
Why Lactate?9m
2개의 읽기 자료
Module 1 Overview5m
Optional: Study Aids5m
2개 연습문제
Lesson 1-1 Quiz10m
Lesson 1-3 Quiz10m
완료하는 데 4시간 필요

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.

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19 videos (Total 130 min), 2 readings, 5 quizzes
19개의 동영상
Mammary Lobes6m
Simple vs Complex Glands4m
Mammary Anatomy at the Cow Side10m
Mammary Suspensory System9m
Median Suspensory Ligament2m
Structure of Teats and Cisterns6m
Supernumerary Teats4m
Mammary Blood System10m
Mammary Lymph System6m
Mammary Nervous System3m
Introduction to Mammary Microstructure6m
Microstructure - 2D and 3D8m
Lobules5m
More on Lobules9m
Alveoli and Their Environment7m
Myoepithelial Cells5m
Mammary Cell Ultrastructure Part 18m
Mammary Cell Ultrastructure Part 25m
2개의 읽기 자료
Module 2 Overview5m
Optional: Study Aids5m
5개 연습문제
Lesson 2-1 Quiz10m
Lesson 2-2 Quiz12m
Lesson 2-3 Quiz10m
Lesson 2-4 Quiz10m
Week 1 Quiz30m
2
완료하는 데 5시간 필요

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.

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27 videos (Total 178 min), 2 readings, 7 quizzes
27개의 동영상
Milk Components Demo2m
Perspectives on Milk Composition7m
Milk Under the Microscope5m
Major Milk Fractions5m
From Cow to Store10m
Total Solids4m
Lactose7m
Lactose Intolerance4m
Lactose Synthesis8m
Milk Protein4m
Casein8m
Casein Demo5m
Whey Proteins9m
Milk Protein Synthesis8m
Milk Fat4m
Fatty Acids6m
Milk Fat - Species Comparisons5m
Milk Fat Synthesis15m
Milk Minerals10m
Milk Vitamins2m
Cells in Milk6m
More on Milk Cells1m
Milk Bioactive Factors8m
Species Comparisons of Milk7m
Cow vs. Human Milk Composition5m
Wrapping Up Milk Composition4m
2개의 읽기 자료
Module 3 Overview5m
Optional: Study Aid5m
7개 연습문제
Lesson 3-1 Quiz10m
Lesson 3-2 Quiz10m
Lesson 3-3 Quiz10m
Lesson 3-4 Quiz10m
Lesson 3-5 Quiz10m
Lesson 3-6 Quiz10m
Week 2 Quiz30m
3
완료하는 데 3시간 필요

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.

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11 videos (Total 79 min), 2 readings, 4 quizzes
11개의 동영상
Fetal Stage - 26m
Fetal Stage - 36m
Prepubertal Stage - 17m
Prepubertal Stage - 23m
Postpubertal Stage7m
Development During Pregnancy - 12m
Development During Pregnancy - 26m
Development During Pregnancy - 35m
Lactation7m
Bovine Mammary Development13m
2개의 읽기 자료
Module 4 Overview5m
Optional: Study Aid5m
4개 연습문제
Lesson 4-1 Quiz10m
Lesson 4-2 Quiz10m
Lesson 4-3 Quiz10m
Week 3 Quiz30m
4
완료하는 데 5시간 필요

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.

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17 videos (Total 124 min), 2 readings, 7 quizzes
17개의 동영상
A Cow Calving3m
The Neonate8m
Lactogenesis & Its Stages7m
Secretory Differentiation8m
Secretory Activation & Lactose Synthesis7m
Hormonal Regulation5m
Comparative Hormonal Regulation7m
Prolactin - Sources4m
Prolactin - Control of Secretion5m
Prolactin - Other Regulation5m
Colostrum Composition12m
Immunoglobulins in Colostrum6m
Colostrum & the Neonate10m
Immunoglobulin Receptor6m
Mammary Transport of Immunoglobulin7m
Immunoglobulin Transport to the Neonate6m
2개의 읽기 자료
Module 5 Overview5m
Optional: Study Aid5m
6개 연습문제
Lesson 5-1 Quiz10m
Lesson 5-2 Quiz10m
Lesson 5-3 Quiz10m
Lesson 5-4 Quiz10m
Lesson 5-5 Quiz10m
Week 4 Quiz30m
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Lactation Biology의 최상위 리뷰

대학: MTMar 1st 2019

was great course would love to see a little more of human lactation in here to compare with. i enjoyed the corse just getting grading was slow.

강사

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Dr. Walter Hurley, PhD

Professor Emeritus
Department of Animal Sciences

일리노이대학교 어버너-섐페인캠퍼스 정보

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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