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Animal Science/Dairy Science 434

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Reproductive Physiology Lecture 1: Introduction, Female Anatomy Instructions Graded exercise (5 points) On the card provided, list different things that you observe ... – PowerPoint PPT presentation

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Title: Animal Science/Dairy Science 434


1
Animal Science/Dairy Science 434
  • Reproductive Physiology
  • Lecture 1 Introduction, Female Anatomy

2
What is happening in this image?
3
Instructions
  • Graded exercise (5 points)
  • On the card provided, list different things that
    you observe or know are occurring in the scene.
    (2 minutes)
  • Print your name
  • Form groups of 4 or 5.
  • Print the names of the group members on a
    separate card.
  • Take 2 minutes to discuss the scene and make a
    group list of what is occurring in the scene.

4
Potential Ways To Interpret Image
  • Superficial
  • Looking into each others eyes
  • Touching
  • Physiological changes
  • Heart rates increasing
  • Increased blood flow to reproductive organs
  • Lubrication of vagina, clitoral enlargement,
    contractions of uterus
  • Erection of penis, contractions of epididymis

5
Instructor
  • John J. Parrish
  • 714 Animal Science
  • parrish_at_calshp.cals.wisc.edu
  • 263-4324

6
Laboratories
  • Tuesday or Wednesday
  • Room 134 Animal Science
  • 330 - 530
  • may last until 600

7
Text
  • Pathways to Pregnancy and Parturition
  • P.L. Senger
  • UW Bookstore
  • Library

8
Web Page http//www.wisc.edu/ansci_repro/
  • Syllabus
  • Lecture Outlines and Handouts
  • Labs
  • Old Exams
  • Project Information
  • Important Dates
  • Grading

9
434 Web Site Modifications
  • Updates may occur daily.
  • Lecture outlines and labs are currently for last
    year
  • 2003 lecture updates are usually done by 815 the
    day of lecture
  • 2003 lab material will be updated by the time of
    Tuesdays lecture.

10
Web Page Techniques
  • Netscape 4.5 or better
  • Internet Explorer 5.0 or better
  • Will work best from a campus networked computer
  • essential for video clips in WebCT
  • Display set for 800 X 600
  • Frames were used in page construction
  • Printing (check FAQ)
  • movement within web site
  • Reload button (for lab computers)
  • the site is continually being changed

11
(No Transcript)
12
Initial Syllabus Lectures Labs Handouts Old
Exams Project FAQ
13
Syllabus
14
Important Dates
  • Lecture Exams
  • February 20
  • April 8
  • May 13 (1225 PM, Sunday )
  • Lab Exams
  • February 25 (given 3X on Tuesday)
  • April 29 and 30 (taken in lab)
  • Oral Final
  • April 7 to end of class

15
Grading (Tentative)
The final grade will be curved but generally ends
near the following percentages A (100-93), AB
(88-93), B (80-88), BC (79-70), C (69-60), D
(59-50), F (lt50).
16
Lecture 1
Female Reproductive Tract Anatomy
17
Learning Objectives
  • To learn the different structures and
    nomenclatures for the parts of the female
    reproductive system.
  • To learn the basic functions for the different
    parts of the tract and how they work together.

18
Equine - Horse
19
Bovine - Cattle
Male
Bull
20
Ovine - Sheep
21
Porcine - Swine - Pig
22
Avian - Chicken
23
(No Transcript)
24
Rectum
Uterus
Vulva
Ovary
Vagina
Pelvis
Bladder
Oviduct
Cervix
Broad Ligament
25
Broad Ligament
  • connective tissue sheet which supports and
    suspends the reproductive tract

26
Broad Ligament
mesometrium
mesovarium
mesosalpinx
27
Ovary - Primary Sex Organ
  • Functions
  • Hormonal
  • Estrogen
  • Progesterone
  • Female gamete
  • Oocyte

28
Ovary
- Estrogen, Oocyte
29
Ovary
85 of Ovarian Cancers
30
Atretic follicle
31
Primordial Follicle Primary Follicle
Secondary follicle Tertiary follicle

Follicle Cells
32
Tertiary Follicle
Antrum
(Follicular Fluid)
33
Tertiary Follicle
Theca Interna
Granulosa
Oocyte
Cumulus Oophorus
Antrum
34
Follicular Blood Supply
Theca interna cells
Basement Membrane
Granulosa cells
Follicular fluid
Capillary network
35
Secondary Sex Organ A Series of Tubes to Convey
the Oocyte/Embryo/Fetus to the Outside
Serosa
Submucosa
Longitudinal smooth muscle layer
Lumen
Circular smooth muscle layer
Mucosa
Muscularis
36
Functions of Oviduct
  • Gamete Transport
  • Sperm
  • Oocyte
  • Supports early embryo development
  • Transport of embryo to uterus

37
Uterine Horn
Oviduct
Cumulus Oophorus and Oocyte
Ovary
Follicle
38
Oviduct
Ampulla
Mesosalpinx
Isthmus
UT Junction
Uterine Horn
39
Oviduct Histology
Mucosa
  • Ciliated Columnar
  • Nonciliated Columnar

40
Functions of the Uterus
  • Muscle contractions
  • Transport sperm
  • Expel fetus and placenta
  • Absorption and phagocytosis
  • Partially prepares sperm for fertilization
  • capacitation
  • Provides environment for embryo and fetal growth
  • Hormone production
  • Prostaglandin F2a production

41
Uterus (bovine)
horn
body
  • Bicornuate
  • poorly to moderately developed uterine horns
  • uterine body
  • one cervix

cervix
42
Caruncles
43
Uterine Histology
Endometrium
Endometrial Glands
Perimetrium
Myometrium
44
Uterine Histology
Mucosa
Endometrial Gland
Endometrium
Submucosa
Myometrium
Perimetrium
45
Functions of the Cervix
  • Transport of sperm
  • Barrier to sperm (species dependent)
  • Reservoir for sperm
  • Blocking bacterial invasion during pregnancy
  • Birth canal

46
COW
Uterine Body
  • Cervix is composed of thick connective tissue
  • Mucus is secreted near the time of breeding and
    ovulation.

Cervix
Cow has 4-5 annular rings
Vagina
47
Cervix
COW
Internal Os
Cervical Ring
Cervical Ring
Fornix
Fornix
External Os
Fornix
Anterior Vagina
EWE
Anterior Vagina
48
Functions of the Vagina
  • Copulatory organ
  • Glands secrete lubrication
  • Birth canal
  • Glands secrete pheremones

49
Vagina
Anterior Vagina
Cervix
Stratified Squamous Epithelium
Columnar Epithelium
Urethra
Submucosa
Submucosa
50
Posterior Vaginal Histology
Stratified Squamous Epithelium
Mucosa
Submucosa
51
Function of External Genitalia
  • Labia
  • Closes entrance to vagina
  • Clitoris
  • Female sensory organ

52
External Genitalia of the Cow
Anus
Vulva
Labia
Clitoris
Labia
53
Phenomena For Fertility
  • vagina dentata - a vagina with teeth
  • female bedbug - no vagina
  • hysterectomy - if woman went to long without
    becoming pregnant then uterus would wonder in
    body causing hysteria and other distresses
  • hyena - clitoris is very large and looks like the
    male penis female also has a false scrotum
    (labia) female is the dominate sex and produces
    more testosterone than male
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