1. What was the sex of your pig? State two characteristics to help you identify

Question

1. What was the sex of your pig? State two characteristics to help you identify the sex.

2. Describe, using anatomical terms/directions, the locations and special features/colors of endocrine organs: thyroid gland, pancreas, thymus, and adrenal gland.

3. Describe, using anatomical terms/directions, the location and special features/colors  of the lymphatic organ: spleen.

4. Describe, using anatomical terms/directions, the location and special features/colors of the respiratory organs: epiglottis, glottis, larynx, trachea, primary bronchus, diaphragm and lungs.

5. Describe, using anatomical terms/directions, the location and special features/colors of the urinary organs: kidney, ureter, urinary bladder, umbilical artery and vein, urethra, penis (males) or urogenital opening (females).

6. Describe, using anatomical terms/directions, the location and special features/colors of the digestive organs: oral cavity, hard palate, soft palate, tongue papilla, oropharynx, nasopharynx, esophagus, stomach, small intestine, colon, rectum, anus, liver, and gallbladder.

7. Describe, using anatomical terms/directions, the location and special features/colors of the male or female reproductive organs: for female -- ovary, uterine horn, uterus; for male -- testes, epididymus, vas deferens, seminal vesicle and prostate gland

Explanation / Answer

Question 1

Answer

The major characteristic differences between male and female pig are as following

Male

i. The urogenital opening or preputial orifice located just posterior to the umbilical cord

ii. They posses scrotal swellings at the posterior end.

Female

i. the urogenital opening is located immediately ventral to or below the tail and anus.

ii. The genital papilla is the most feature to identify female pig from the male pig.

Question 2

Thyroid gland
It is present in the neck and close to the first part of the trachea. It has a "butterfly" shape, with two lateral lobes and is connected by an isthmus.
It - brownish-red in color.
Pancreas
It is present in the Epigastric portion and left hypochondriac regions of the abdomen. The head portion is located in the duodenum, the body portion posterior to the stomach and the left kidney is anterior.
Color - pale grey color or light tan or pinkish color
Thymus gland
It is located in the upper anterior portion chest, posterior to the sternum and medial between lungs.
Color - pinkish-gray organ
Adrenal gland
The adrenal gland located in the posterior abdomen, between the superior medial kidney and the diaphragm and covers the surface of kidneys.
Color - Orange color

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