Fetal Pig Dissection

Urogenital cavity

Urogenital cavity

________: Common tube that opens into the urethra & vagina (F)

Mouth

________: Opening to the anterior portion of the digestive tract (ingestion)

Scrotal Swelling

________ (M): Palpable region between the leg indicating testicle location.

Anus

________: Sphincter muscle of posterior end of digestive tract (elimination)

Epiglottis

________ (in pharynx): Prevention for bolus passage into larynx.

Knee

________: Proximal compared to ankle on rear limb (locomotion)

Ankle

________: Distal compared to knee on rear limb (locomotion)

nasal cavity

Nares: Opening to the ________ & resp.

Lungs

________: Exchange of gases with environment.

Mesentery

________: Network of Blood vessels associated with small intestine for absorption.

Wrist

________: Distal compared to elbow on forelimb (locomotion)

Elbow

________: Proximal compared to wrist on forelimb (locomotion)

Gall Bladder

________: Bile concentrator for digestion.

Brain

________: Integration of Nervous System (Note: the evolutionary importance of cephalization)

Fallopian tubes

________: Egg passage & place of fertilization (F)

Pinna

________: Outer ear (sound capture & protection)

Tongue

________: Taste, Mastication & Swallowing (note the papillae)

Large Intestine

________ (rectum): Fecal storage prior to defecation.

Ureter

________: Urine passage to urinary bladder.

Thymus

________: Glands associated with immune function.

Thyroid

________: Gland associated regulation of metabolism.

Small Intestine

________: Digestion & nutrient absorption.

Soft Palate

________: Gives into lower portion of Nasal C. for bolus passage.

Urogenital cavity

Urogenital Papillae (F): Opening to ________.

Anterior

Front

Posterior

Rear

Cephalic

Head

Caudal

Tail

Dorsal

Back

Ventral

Belly

Medial

Towards Midline

Lateral

Towards Side

Proximal

Towards the "root" of the limb

Distal

Away from the "root"

Urogenital Opening (M)

Opening to the urethra

Scrotal Swelling (M)

Palpable region between the leg indicating testicle location

Urogenital Papillae (F)

Opening to Urogenital cavity

Mammary Papillae ("Nipples")

Suckling of Offspring (present, but non-functional in M)

Nares

Opening to the nasal cavity & resp

Mouth

Opening to the anterior portion of the digestive tract (ingestion)

Anus

Sphincter muscle of posterior end of digestive tract (elimination)

Wrist

Distal compared to elbow on forelimb (locomotion)

Elbow

Proximal compared to wrist on forelimb (locomotion)

Knee

Proximal compared to ankle on rear limb (locomotion)

Ankle

Distal compared to knee on rear limb (locomotion)

Pinna

Outer ear (sound capture & protection)

Cranial

In head (holds brain)

Oral

In mouth

Nasal

In nose

Thoracic

Chest

Abdominopelvic

Belly

Tongue

Taste, Mastication & Swallowing (note the papillae)

Hard Palate

Boney separation between N & O cavities/Swallowing

Soft Palate

Gives into lower portion of Nasal C. for bolus passage

Teeth

Mastication

Epiglottis (in pharynx)

Prevention for bolus passage into larynx

Lungs

Exchange of gases with environment

Heart

Pumping blood for circulation

Esophagus

Passage of bolus

Trachea

Passage of air/air filtration

Larynx

Passage of air & sound generation

Thyroid

Gland associated regulation of metabolism

Thymus

Glands associated with immune function

diaphragm

Muscle used for respiration & sound generation

Stomach

Digestion

Pancreas

Enzyme production for digestion/Glucose regulation

Liver

Blood filtration & detoxification/ Bile production for digestion

Gall Bladder

Bile concentrator for digestion

Spleen

Immune function/ Blood reservoir

Small Intestine

Digestion & nutrient absorption

Mesentery

Network of Blood vessels associated with small intestine for absorption

Large Intestine (Spiral Colon)

Digestion & water absorption

Large Intestine (rectum)

Fecal storage prior to defecation

Kidney

Blood filtration & urine production

Ureter

Urine passage to urinary bladder

Urinary Bladder

Holds Urine

Urethra

Urine passage to outside world (F)

Ovaries

Egg & hormone production (F)

Fallopian tubes

Egg passage & place of fertilization (F)

Uterus

The Womb (F)

Vagina

Place of intercourse/Birth canal (F)

Urogenital cavity

Common tube that opens into the urethra & vagina (F)

Testicles

Sperm & hormone production (M)

Epididymis

Sperm maturation & storage

Scrotum

Holds testicles

Penis

Copulatory organ