Difference between revisions of "Reproductive System Overview - Anatomy & Physiology"
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+ | |thispagemap = Reproductive System (Content Map) - Anatomy & Physiology | ||
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[[Image:Mare Uterus.jpg|thumb|right|150px|The Mare Uterus- Courtesy of A.Crook, Copyright RVC 2008]] | [[Image:Mare Uterus.jpg|thumb|right|150px|The Mare Uterus- Courtesy of A.Crook, Copyright RVC 2008]] | ||
== Introduction to the Reproductive System == | == Introduction to the Reproductive System == | ||
− | Reproduction is the complex set of biological processes that result in the formation of a new organism | + | Reproduction is the complex set of biological processes that result in the formation of a new organism. It is crucial, especially in our production animals, that we understand how these processes occur normally and have a good grasp of the role of [[Overview of the Reproductive System - Overview of Reproductive Hormones - Anatomy & Physiology|hormones]] in this process. Pathology and disease are common within the reproductive system and can not only lead to a sick animal but also to a loss in production. In this section we hope to cover all the main processes in the domestic animals. This will lay a foundation to aid in the understanding of more potentially quite complex pathologies. |
== Puberty == | == Puberty == | ||
− | [[Puberty Defining - Anatomy & Physiology|Puberty]] is the process of aquiring reproductive capability, and age at onset of puberty varies from between [[Puberty Overview - Anatomy & Physiology|species]]. There are several factors involved in triggering the [[Puberty Onset | + | [[Puberty - Defining Puberty - Anatomy & Physiology|Puberty]] is the process of aquiring reproductive capability, and age at onset of puberty varies from between [[Puberty- Overview of Puberty - Anatomy & Physiology|species]]. There are several factors involved in triggering the [[Puberty - Factors Influencing the Onset of Puberty - Anatomy & Physiology|onset]] of puberty, including body size, nutritional factors, day length, genetic factors and environmental and social factors. The onset depends on the ability of specific hypothalamic neurons to produce [[Puberty - Endocrine Events of Puberty - Anatomy & Physiology|gonadotropin-releasing hormone (GnRH)]] in sufficient quantities to both promote and support gametogenesis. The hypothalamus itself is influenced by hormonal factors that are [[Puberty - Differences in the Male and Female Hypothalamus- Anatomy & Physiology|male or female specific]]. |
== Female Reproductive Tract and Reproductive Behaviour== | == Female Reproductive Tract and Reproductive Behaviour== | ||
− | The anatomy of the female reproductive tract includes the [[Vagina | + | The anatomy of the female reproductive tract includes the [[Female Reproductive Tract -The Vagina/Vestibule - Anatomy & Physiology|the external genitalia and vagina]], [[Female Reproductive Tract -The Cervix - Anatomy & Physiology|the cervix]], [[Female Reproductive Tract -The Uterus - Anatomy & Physiology|the uterus]], [[Female Reproductive Tract -The Oviduct - Anatomy & Physiology|the oviduct]] and [[Female Reproductive Tract -The Ovary - Anatomy & Physiology|the ovary]]. |
− | Female animals regularly enter a phase where they are sexually active and receptive to males; this is known as the [[Oestrous Cycle - Anatomy & Physiology|oestrous cycle]]. Some animals are able to reproduce all year round, but many have an anoestrus phase which requires a [[Seasonality of Reproduction - Anatomy & Physiology|seasonal response]] for cycling to begin. In some species [[Oestrus Behaviour - Anatomy & Physiology|detection of seasonal cycling]] can be crucial to productivity. | + | Female animals regularly enter a phase where they are sexually active and receptive to males; this is collectively known as the [[Female Reproductive Tract -Oestrous Cycle - Anatomy & Physiology|oestrous cycle]]. Some animals are able to reproduce all year round, but many have an anoestrus phase which requires a [[Female Reproductive Tract -Seasonality of Reproduction - Anatomy & Physiology|seasonal response]] for cycling to begin. In some species [[Reproductive Behaviour - Oestrus Behaviour - Anatomy & Physiology|detection of seasonal cycling]] can be crucial to productivity. |
− | Female animals have various [[Reproductive Behaviour Overview - Anatomy & Physiology|behavioural]] and chemical signals which increase their [[Attractivity Behaviour - Anatomy & Physiology|attractiveness]] to males and others which signal their [[Proceptivity Behaviour - Anatomy & Physiology|acceptance]] of attention from the male. Further cues indicate that the female is [[Receptivity Behaviour - Anatomy & Physiology|receptive]] to mating. Other reproductive female behaviours include [[Maternal Behaviour - Anatomy & Physiology|maternal]] and [[Nursing Behaviour - Anatomy & Physiology|nursing]] behaviour. In [[Nervous Pathway Eliciting Reproductive Behaviour - Anatomy & Physiology|neurological terms]] sensory information from behavioural and chemical cues are processed by the hypothalamus, which induces the appropriate mating response via specific peptides which activate neurons in the midbrain and brainstem. | + | Female animals have various [[Reproductive Behaviour - Overview of Reproductive Behaviour - Anatomy & Physiology|behavioural]] and chemical signals which increase their [[Reproductive Behaviour - Attractivity Behaviour - Anatomy & Physiology|attractiveness]] to males and others which signal their [[Reproductive Behaviour - Proceptivity Behaviour - Anatomy & Physiology|acceptance]] of attention from the male. Further cues indicate that the female is [[Reproductive Behaviour - Receptivity Behaviour - Anatomy & Physiology|receptive]] to mating. Other reproductive female behaviours include [[Reproductive Behaviour - Maternal Behaviour - Anatomy & Physiology|maternal]] and [[Reproductive Behaviour - Nursing Behaviour - Anatomy & Physiology|nursing]] behaviour. In [[Reproductive Behaviour - Nervous Pathway Eliciting Reproductive Motor Behaviour - Anatomy & Physiology|neurological terms]] sensory information from behavioural and chemical cues are processed by the hypothalamus, which induces the appropriate mating response via specific peptides which activate neurons in the midbrain and brainstem. |
== Male Reproductive Tract and Reproductive Behaviour== | == Male Reproductive Tract and Reproductive Behaviour== | ||
− | The anatomy of the male reproductive tract includes the [[ | + | The anatomy of the male reproductive tract includes the [[Male Reproductive Tract -The External Genetalia - Anatomy & Physiology|penis]], the [[Male Reproductive Tract -The Testes and Epididymis - Anatomy & Physiology|testes]], the [[Male Reproductive Tract -The Testes and Epididymis - Anatomy & Physiology|epididymis]] and the [[Male Reproductive Tract -Accessory Sex Glands - Anatomy & Physiology|accessory sex glands]]. Males of different species are often referred to by specific [[Male Reproductive Tract -Useful Terms - Anatomy & Physiology|names]] which reflect their repoductive status. Males differ from females in the [[Male Reproductive Tract -Spermatogenesis and Spermiation - Anatomy & Physiology|production of sperm]] which takes place from puberty onwards - unlike females where ova are produced prior to birth. The [[Male Reproductive Tract -Spermatogenesis and Spermiation - Anatomy & Physiology|hormones]] controlling sperm production, or spermatogenesis are luteinising hormone (LH) and follicle-stimulating hormone (FSH). |
− | The [[Nervous Pathway Eliciting Reproductive Behaviour - Anatomy & Physiology|neurological pathways]] that control reproductive behaviour are similar to the female, but the response is male specific and includes [[Pre-copulatory Behaviour - Anatomy & Physiology|pre-copulatory]], [[Copulatory Behaviour - Anatomy & Physiology|copulatory]] and [[Post-Copulatory Behaviour - Anatomy & Physiology|post-copulatory]] behaviour. | + | The [[Reproductive Behaviour - Nervous Pathway Eliciting Reproductive Motor Behaviour - Anatomy & Physiology|neurological pathways]] that control reproductive behaviour are similar to the female, but the response is male specific and includes [[Reproductive Behaviour - Pre-copulatory Behaviour - Anatomy & Physiology|pre-copulatory]], [[Reproductive Behaviour - Copulatory Behaviour - Anatomy & Physiology|copulatory]] and [[Reproductive Behaviour - Post-Copulatory Behaviour - Anatomy & Physiology|post-copulatory]] behaviour. |
== Fertilisation, Implantation and Early Embryonic Development == | == Fertilisation, Implantation and Early Embryonic Development == | ||
− | After mating has occured, sperm must [[Sperm in the Female Tract - Anatomy & Physiology|travel]] along the female reproductive tract towards the uterus in order to [[Fertilisation - Anatomy & Physiology|fertilise]] the oocyte. | + | After mating has occured, sperm must [[Copulation -Sperm in the Female Tract - Anatomy & Physiology|travel]] along the female reproductive tract towards the uterus in order to [[Fertilisation, Implantation and Early Embryonic Development -Fertilisation- Anatomy & Physiology|fertilise]] the oocyte. The sperm entert the oocyte and the male and female pronuclei fuse and dive repeatedly to form the [[Fertilisation, Implantation and Early Embryonic Development -Embryonic Development of the Blastocyst- Anatomy & Physiology|blastocyst]]. |
− | |||
− | |||
+ | * [[Fertilisation, Implantation and Early Embryonic Development -Embryonic Development of the Blastocyst- Anatomy & Physiology|Embryonic Development of the Blastocyst]] | ||
− | * [[ | + | * [[Fertilisation, Implantation and Early Embryonic Development -Implantation- Anatomy & Physiology|Implantation]] |
+ | * [[Fertilisation, Implantation and Early Embryonic Development -Sexual Differentiation- Anatomy & Physiology|Sexual Differentiation]] | ||
− | + | * [[Male Reproductive Tract -Internal and External Genitalia Development - Anatomy & Physiology|Internal and External Genitalia Development]] | |
+ | |||
+ | == Gestation == | ||
+ | |||
+ | * [[Gestation -Reference Table of Gestation Lengths in Various Species - Anatomy & Physiology|Reference Table of Gestation Lengths in Various Species]] | ||
+ | |||
+ | * [[Gestation -Diagnosis of Pregnancy - Anatomy & Physiology|Diagnosis of Pregnancy]] | ||
+ | |||
+ | * [[Gestation -Maternal Recognition of Pregnancy - Anatomy & Physiology|Maternal Recognition of Pregnancy]] | ||
+ | |||
+ | *[[Gestation -Litter Sizes - Anatomy & Physiology|Litter Sizes]] | ||
+ | |||
+ | * [[Gestation -Placenta - Anatomy & Physiology|Placenta]] | ||
+ | |||
+ | * [[Gestation -Maintaining Pregnancy - Anatomy & Physiology|Maintaining Pregnancy]] | ||
+ | |||
+ | == Parturition == | ||
+ | |||
+ | * [[Parturition - Normal Parturition - Anatomy & Physiology|Normal Parturition ]] | ||
+ | |||
+ | * [[Parturition - Endocrine Control of Parturition - Anatomy & Physiology|Endocrine Control of Parturition]] | ||
+ | |||
+ | *[[Parturition - Pharmacological Manipulation of Parturition - Anatomy & Physiology|Pharmacological Manipulation of Parturition ]] | ||
+ | |||
+ | * [[Parturition - Risks in Parturition - Anatomy & Physiology|Risks in Parturition]] | ||
== The Puerperium == | == The Puerperium == | ||
− | [[Puerperium - Anatomy & Physiology|Puerperium]] | + | |
+ | * [[The Puerperium - Overview of the Puerperium - Anatomy & Physiology|Overview of the Puerperium]] | ||
+ | |||
+ | * [[The Puerperium - Myometrial Contraction and Expulsion of Lochia - Anatomy & Physiology|Myometrial Contraction and Expulsion of Lochia]] | ||
+ | |||
+ | * [[The Puerperium - Endometrial Repair- Anatomy & Physiology|Involution & Endometrial Repair]] | ||
+ | |||
+ | * [[Female_Reproductive_Tract_-The_Ovary_-_Anatomy_%26_Physiology#Processes_Taking_Place_In_The_Ovary|Resumption of Ovarian Function]]: for more information see 'Species Differences in the Puerperium' below. | ||
+ | |||
+ | * [[The Puerperium - Elimination of Bacterial Contamination of the Reproductive Tract- Anatomy & Physiology|Elimination of Bacterial Contamination of the Reproductive Tract]] | ||
+ | |||
+ | * [[The Puerperium - Factors Influencing the Puerperium- Anatomy & Physiology|Factors Influencing the Puerperium]] | ||
+ | |||
+ | * [[The Puerperium - Species Differences in the Puerperium- Anatomy & Physiology| Species Differences in the Puerperium]] | ||
== Lactation == | == Lactation == | ||
− | + | ||
− | + | * [[Lactation - Overview of Lactation - Anatomy & Physiology|Overview of Lactation]] | |
+ | |||
+ | * [[Lactation - The Mammary Gland - Anatomy & Physiology|The Mammary Gland]] | ||
+ | |||
+ | * [[Lactation - Endocrine Control - Anatomy & Physiology|Endocrine Control]] | ||
+ | |||
+ | * [[Lactation - Milk Composition and Biosynthesis- Anatomy & Physiology|Milk Composition and Biosynthesis]] | ||
+ | |||
+ | * [[Lactation - Involution - Anatomy & Physiology|Involution]] | ||
+ | |||
+ | * [[Lactation - Links to Associated Pathology - Anatomy & Physiology|Links to Associated Pathology]] | ||
== Reproductive Technologies == | == Reproductive Technologies == | ||
− | |||
− | * [[In Vitro Fertilization - Anatomy & Physiology|In Vitro Fertilization]] | + | * [[Reproductive Technologies -Semen Collection - Anatomy & Physiology|Semen Collection]] |
+ | |||
+ | * [[Reproductive Technologies -Artificial Insemination - Anatomy & Physiology|Artificial Insemination]] | ||
+ | |||
+ | * [[Reproductive Technologies -Multiple Ovulation and Embryo Transfer- Anatomy & Physiology|Multiple Ovulation and Embryo Transfer]] | ||
+ | |||
+ | * [[Reproductive Technologies -In Vitro Fertilization- Anatomy & Physiology|In Vitro Fertilization]] | ||
− | * [[In Vitro Maturation - Anatomy & Physiology|In Vitro Maturation]] | + | * [[Reproductive Technologies -In Vitro Maturation- Anatomy & Physiology|In Vitro Maturation]] |
− | * [[Intracytoplasmic Sperm Injection - Anatomy & Physiology|Intracytoplasmic Sperm Injection]] | + | * [[Reproductive Technologies -Intracytoplasmic Sperm Injection- Anatomy & Physiology|Intracytoplasmic Sperm Injection]] |
− | * [[Embryo Sexing - Anatomy & Physiology|Embryo Sexing]] | + | * [[Reproductive Technologies -Embryo Sexing- Anatomy & Physiology|Embryo Sexing]] |
− | * [[Semen Sexing - Anatomy & Physiology|Semen Sexing]] | + | * [[Reproductive Technologies -Semen Sexing- Anatomy & Physiology|Semen Sexing]] |
− | * [[Embryo Splitting - Anatomy & Physiology|Embryo Splitting]] | + | * [[Reproductive Technologies -Embryo Splitting- Anatomy & Physiology|Embryo Splitting]] |
− | * [[Nuclear Transplantation | + | * [[Reproductive Technologies -Nuclear Transplantation:Cloning- Anatomy & Physiology|Nuclear Transplantation:Cloning]] |
− | * [[Transgenic Animals - Anatomy & Physiology|Transgenic Animals]] | + | * [[Reproductive Technologies -Transgenic Animals- Anatomy & Physiology|Transgenic Animals]] |
== Camelids (LLamas & Alpacas) == | == Camelids (LLamas & Alpacas) == | ||
− | * [[ | + | * [[Camelids (LLamas & Alpacas) - Female Anatomy - Anatomy & Physiology|Female Anatomy]] |
− | * [[ | + | * [[Camelids (LLamas & Alpacas) - Male Anatomy - Anatomy & Physiology|Male Anatomy]] |
− | * [[ | + | * [[Camelids (LLamas & Alpacas) - Breeding Cycle - Anatomy & Physiology|Breeding Cycle]] |
− | * [[ | + | * [[Camelids (LLamas & Alpacas) - Mating - Anatomy & Physiology|Mating]] |
− | * [[ | + | * [[Camelids (LLamas & Alpacas) - Pregnancy Diagnosis - Anatomy & Physiology|Pregnancy Diagnosis]] |
− | * [[ | + | * [[Camelids (LLamas & Alpacas) - Parturition - Anatomy & Physiology|Parturition]] |
− | * [[ | + | * [[Camelids (LLamas & Alpacas) - Lactation & Care of the Newborn - Anatomy & Physiology|Lactation & Care of the Newborn]] |
== Small Domestic Mammals == | == Small Domestic Mammals == | ||
− | * [[Reproductive Characteristics | + | * [[Small Mammals -Reference Table of Reproductive Characteristics for Small Domestic Mammals- Anatomy & Physiology|Summary of Reproductive Characteristics for Small Domestic Mammals]] |
− | * [[Guinea Pig | + | * [[Small Mammals -Guinea Pig- Anatomy & Physiology|Guinea Pig]] |
− | * [[Ferret | + | * [[Small Mammals -Ferret- Anatomy & Physiology|Ferret]] |
− | * [[Chinchilla | + | * [[Small Mammals -Chinchilla- Anatomy & Physiology|Chinchilla]] |
− | * [[Chipmunk | + | * [[Small Mammals -Chipmunk- Anatomy & Physiology|Chipmunk]] |
− | * [[Mouse | + | * [[Small Mammals -Mouse- Anatomy & Physiology|Mouse]] |
− | * [[Hamster | + | * [[Small Mammals -Hamster- Anatomy & Physiology|Hamster]] |
− | * [[Rabbit | + | * [[Small Mammals -Rabbit- Anatomy & Physiology|Rabbit]] |
− | * [[Rat | + | * [[Small Mammals -Rat- Anatomy & Physiology|Rat]] |
− | * [[Gerbil | + | * [[Small Mammals -Gerbil- Anatomy & Physiology|Gerbil]] |
== Exotics == | == Exotics == | ||
− | * [[ | + | * [[Exotics - Avian Reproductive Anatomy and Physiology - Anatomy & Physiology|Avian Reproductive Anatomy and Physiology ]] |
− | * [[Reptile | + | |
− | * [[Amphibian | + | * [[Exotics - Reptile Reproductive Anatomy and Physiology - Anatomy & Physiology|Reptile Reproductive Anatomy and Physiology]] |
− | * [[Fish | + | |
+ | * [[Exotics - Amphibian Reproductive Anatomy and Physiology - Anatomy & Physiology|Amphibian Reproductive Anatomy and Physiology]] | ||
+ | |||
+ | * [[Exotics - Fish Reproductive Anatomy and Physiology - Anatomy & Physiology|Fish Reproductive Anatomy and Physiology ]] | ||
− | + | ==Test yourself - Reproduction System flashcards== | |
− | + | *'''[[Reproductive System Flashcards - Anatomy & Physiology|Reproductive System Flashcards]]''' | |
− | |||
− | |||
− | |||
== References == | == References == | ||
Line 107: | Line 164: | ||
* B.Young, J.W Heath: Wheater's Functional Histology, A Text and Colour Atlas | * B.Young, J.W Heath: Wheater's Functional Histology, A Text and Colour Atlas | ||
− | == | + | == Creators of Reproductive Anatomy and Physiology Pages == |
− | |||
− | [[ | + | * Amy Cartmel (RVC) |
+ | * [[Lois_Wilkie|Lois Wilkie]] (RVC) |
Revision as of 17:58, 16 June 2010
|
Introduction to the Reproductive System
Reproduction is the complex set of biological processes that result in the formation of a new organism. It is crucial, especially in our production animals, that we understand how these processes occur normally and have a good grasp of the role of hormones in this process. Pathology and disease are common within the reproductive system and can not only lead to a sick animal but also to a loss in production. In this section we hope to cover all the main processes in the domestic animals. This will lay a foundation to aid in the understanding of more potentially quite complex pathologies.
Puberty
Puberty is the process of aquiring reproductive capability, and age at onset of puberty varies from between species. There are several factors involved in triggering the onset of puberty, including body size, nutritional factors, day length, genetic factors and environmental and social factors. The onset depends on the ability of specific hypothalamic neurons to produce gonadotropin-releasing hormone (GnRH) in sufficient quantities to both promote and support gametogenesis. The hypothalamus itself is influenced by hormonal factors that are male or female specific.
Female Reproductive Tract and Reproductive Behaviour
The anatomy of the female reproductive tract includes the the external genitalia and vagina, the cervix, the uterus, the oviduct and the ovary. Female animals regularly enter a phase where they are sexually active and receptive to males; this is collectively known as the oestrous cycle. Some animals are able to reproduce all year round, but many have an anoestrus phase which requires a seasonal response for cycling to begin. In some species detection of seasonal cycling can be crucial to productivity.
Female animals have various behavioural and chemical signals which increase their attractiveness to males and others which signal their acceptance of attention from the male. Further cues indicate that the female is receptive to mating. Other reproductive female behaviours include maternal and nursing behaviour. In neurological terms sensory information from behavioural and chemical cues are processed by the hypothalamus, which induces the appropriate mating response via specific peptides which activate neurons in the midbrain and brainstem.
Male Reproductive Tract and Reproductive Behaviour
The anatomy of the male reproductive tract includes the penis, the testes, the epididymis and the accessory sex glands. Males of different species are often referred to by specific names which reflect their repoductive status. Males differ from females in the production of sperm which takes place from puberty onwards - unlike females where ova are produced prior to birth. The hormones controlling sperm production, or spermatogenesis are luteinising hormone (LH) and follicle-stimulating hormone (FSH).
The neurological pathways that control reproductive behaviour are similar to the female, but the response is male specific and includes pre-copulatory, copulatory and post-copulatory behaviour.
Fertilisation, Implantation and Early Embryonic Development
After mating has occured, sperm must travel along the female reproductive tract towards the uterus in order to fertilise the oocyte. The sperm entert the oocyte and the male and female pronuclei fuse and dive repeatedly to form the blastocyst.
Gestation
Parturition
The Puerperium
- Resumption of Ovarian Function: for more information see 'Species Differences in the Puerperium' below.
Lactation
Reproductive Technologies
Camelids (LLamas & Alpacas)
- Female Anatomy
- Male Anatomy
- Breeding Cycle
- Mating
- Pregnancy Diagnosis
- Parturition
- Lactation & Care of the Newborn
Small Domestic Mammals
- Summary of Reproductive Characteristics for Small Domestic Mammals
- Guinea Pig
- Ferret
- Chinchilla
- Chipmunk
- Mouse
- Hamster
- Rabbit
- Rat
- Gerbil
Exotics
Test yourself - Reproduction System flashcards
References
- P.L Senger: Pathways to Pregnancy and Parturition,2nd Edition
- David E. Noakes,Timothy J. Parkinson,Gary C. W. England,Geoffrey H. Arthur: Arthur's Veterinary Reproduction and Obstetrics
- Bairbre O'Malley:Clinical Anatomy and Physiology of Exotic Species
- Dyce, Sack and Wensing: Textbook of Veterinary Anatomy, 3rd Edition
- Konig and Liebich: Veterinary Anatomy of Domestic Mammals, 3rd Edition
- Victoria Aspinall, Melanie Cappello: Introduction to Veterinary Anatomy & Physiology
- Gina Bromage: Llamas and Alpacas: A Guide to Management
- R.J. Roberts,Lydia Brown: Aquaculture for Veterinarians - Fish Husbandry and Medicine (Pergamon Veterinary Handbook)
- B.Young, J.W Heath: Wheater's Functional Histology, A Text and Colour Atlas
Creators of Reproductive Anatomy and Physiology Pages
- Amy Cartmel (RVC)
- Lois Wilkie (RVC)