BiOL 1108 Lab: Pig Dissection Practical

Head/cranial

Neck/cervical

Trunk (Thoracic, Lumbar, Sacral) includes appendages

External Anatomy: Appendages

Tail/Caudal

#11

Mouth/Lips

Cheeks

External Nares

#3

Eyes/Eyelids

#2

Auricle

External Acoustic Meatus

#1

Thorax

Abdomen

Umbilical Cord

#8

Prepuce Orifice (male)

Scrotum

Anus

Labia

Genital Papillae (female)

Vulva

Mammary Papillae

around umbilical cord

Hooves

#6

Wrist

#5

Ankle

#10

Elbow

#7

Knee

#9

Masseter

Parotid gland

Epiglottis

Prevents food from entering the trachea during swallowing

Teeth

Tongue

Papillae of tongue (sometimes on tip of tongue as well)

Hard palate

Soft palate

Nares (nasal cavities)

Nasal septum

Larynx

Produces sound (voicebox)

Thymus

Site of maturation of T-cell lymphocytes

vocal cords (part of larynx)

trachea

glottis

thyroid

Produces hormones necessary for development (T3 & T4)

esophagus

diaphragm

Muscle used for rib cage ventilation (inhale/exhale)

lungs

Site of gas exchange between blood and atmosphere

pericardial sac

mesenteries

liver

Storage of glycogen, detoxification of blood, bile production

umbilical vein

Carries blood from placenta to developing fetus

umbilical arteries

Carry blood away from fetus to placenta

gall bladder

Storage and release of bile into the duodenum

stomach

Acid and pepsin production, digestion

spleen

Filters blood, recycles iron

pyloric valve

Controls release of stomach contents to duodenum

duodenum

Enzymatic breakdown of food

jejuno-ilium (of small intestines)

Absorption of digestion products

pancreas

Makes hormones (Insulin/Glucagon) and digestive enzymes

colon (also called large intestines. Depending on where it is labeled could also be called coils of colon)

Reabsorption of water from waste

caecum

rectum

Stores waste prior to defecation

coronary arteries and veins

Carry blood to and from heart muscle

right and left atria

Receive blood returning to heart

right and left ventricles

Pump blood away from heart

cranial and caudal vena cava (also called inferior and superior vena cava or anterior and posterior vena cava)

Carry blood back to the right atrium

pulmonary trunk

Carries deoxygenated blood from heart to lungs

pulmonary artery

pulmonary vein

aorta

Carries blood from left ventricle to body

kidneys

Filter wastes from blood, water balance

adrenal gland

Stress response and water balance hormones

ureter

Carries urine from kidneys to bladder

urinary bladder (female)

Storage of urine prior to excretion

urethra (female)

Opening for release of urine

scrotum

Holds testes, maintains proper temperature

testes

Testosterone and sperm production

epididymis

Sperm storage and maturation

ductus deferens (also called vas deferens)

Transfers sperm to urethra from epididymis

spermatic cord

ovaries

Egg and female hormone production

uterine tube

Site of fertilization

horn of the uterus

body of the uterus

Implantation site of embryo

vagina

ureter (male)

urethra (male)

urinary bladder (male)