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40 Cards in this Set
- Front
- Back
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Trans-Rectal |
A process by which the animal is palpated rectally |
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Trans-Vaginal |
A process by which the animal is palpated vaginally |
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What is an Ovaries primary function? |
to produce female gametes (ova) and the hormones Estrogen (E2) and Progesterone (P4) |
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How long is a farm animal reproduction cycle? |
21 days |
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What is another word for Ova? |
Egg or Gamete |
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During the 21 day Reprow cycle the ovary produces a Follicle for how many days? |
4 Days |
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The ovary produces a Follicle for 4 days. What hormone is associated with the Follicle? |
Estrogen (E2) |
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During the 21 day Reprow cycle the ovary produces a Corpus Luteum (CL) for how many days?
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19 Days |
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The ovary produces a Corpus Luteum (CL) for 19 days. What hormone is associated with the (CL)?
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Progesterone (P4) |
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The Oviduct consists of 3 parts? |
1. Infundibulum 2. Ampulla 3. Isthumus |
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What is the Infundibulum? |
the terminal end the catches newly ovulated ova (egg) |
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What is the Ampulla? |
the thick portion of the oviduct with a large diameter. |
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What is the Isthumus? |
is smaller in diameter and is connected directly to the uterus |
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What is the Uterus? |
0 |
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What is the Cervix? |
is a thick-walled, non-compliant organ that serves as a sperm barrier ( in ewe and cow not in sow or mare) |
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What is the Cervixs main function? |
serves as a sperm barrier and it isolates the uterus from the external environment during pregnancy with a viscous mucus plug. |
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What is the Vagina? |
0 |
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What are the 4 Concentric Layers? |
1. Serosa 2. Musculoris 3. Submucosa 4. Mucosa |
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What is the Serosa? |
is the outer most coating made up of squamous cells |
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What is the Muscularis? |
Double layer of smooth muscle (outer longitudinal layer and inner circular layer) |
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What is the Submucosa? |
houses blood vessels, nerves and lymphatics |
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What is the Mucosa? |
is the secretory layer of epithelium |
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Together the mucosa and submucosa comprise the endometrium and are responsible for? |
secreting materials into the lumen of the uterus to enhance embryo development and sperm viability |
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Retained placents is the main source of Indometreosis ( infection in the uterus) and is caused by...? |
not enough vitamin A and pore nutrition |
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What is the Broad Ligament? |
A double layered sheet of peritoneum that supports and suspends the ovaries, oviduct, uterus, cervix and anterior vagina : houses the vascular supply, lymphatic drainage and nerves for the reproductive organs |
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All farm animals have the same ovary except...? |
Horses |
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What are the primary structures of the Ovary? There are 4. |
1. Overtone Cortex - outer layer of cell houses 2. Oocytes (except horses) 3. Corpus luteum (CL) aka "yellow bodies" 4. Corpora albicontia |
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The inner part of the Ovary is called the...? |
Mudula |
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The outer part of the Ovary is called the...? |
Cortex |
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what cellular division process reduces the genetic material by half? |
meiosis |
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What structure contains enzymes which allow the spermatozoa to enter the zona pellucida? |
Acrosome |
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The release of enzymes from the spermatozoa which allow penetration of the zona pellucida is called? |
Acrosome Reaction |
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What cells are also called "nurse" cells? |
Sertoli cells |
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Where are spermatozoa produced? |
Seminiferous tubules |
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Which cells produce testosterone? |
Leydig cells |
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Which cells tern testosterone into estrogen (E2)? |
Sertoli cells |
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Which gonadotropin binds to stimulate testosterone production? FSH or LH |
LH --> leydig cells --> testosterone |
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Which gonadotropin binds to sertoli cells? FSH or LH |
FSH --> sertoli cells --> T --> E2 |
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Which hormone is primary at causing secondary sex characteristics? |
(DHT) Di-Hydro Testosterone |
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Which feedback mechanism is primary in the male? |
Negative |
