Bio 101L - Fetal Pig Parts
vagina
A muscular, elastic passageway that extends from the uterus to the outside of the body
bulbourethral glands
A pair of exocrine glands near the male urethra. They secrete fluid into the urethra.
bile duct
A tube that carries bile from the liver and gallbladder to the intestine
large intestine (colon)
Absorbs water, vitamins and minerals from gut content
urogenital sinus/chamber
point where the vagina joins with the urethra
thyroid
posterior to the larynx, secretes hormones for cellular metabolism and the maintenance of blood calcium levels
proximal
inside but more towards the middle
epiglottis
keeps the respiratory and digestive systems separate
epitrichium
layer of epidermis sloughed off as more is produced, filmy white layer of waxy material peeling of skin surface
scrotum
male reproductive function, where the testicle is
peritoneum
membranous lining of the abdominal cavity
cervix
mouth of the womb
kidney
organ that removes urea, excess water, and other waste products from the blood and passes them to the ureter
adrenal gland
part of the endocrine system, secretes hormones responsible for regulating sodium levels, sex hormones, and stress-response hormones
epididymis
A long, coiled duct on the outside of the testis in which sperm mature.
prostate gland
A gland in males that contributes to the seminal fluid.
heart
A hollow, muscular organ that pumps blood throughout the body.
ureter
A duct leading from the kidney to the urinary bladder.
abdominal cavity
Contains stomach, intestines, spleen, and liver, and other organs, lower chest cavity
small intestine
Digestive organ where most chemical digestion and absorption of food takes place
bronchus
Either of the two subdivisions of the trachea that conveys air into the lungs.
oviduct
Fallopian tube; tube that carries eggs from an ovary to the uterus
uterus
Female organ of reproduction used to house the developing fetus.
ventricles
Lower chambers of the heart, larger and more pointed
lungs
Main organs of the respiratory system
penis
Male reproductive organ
spleen
Organ near the stomach that produces, stores, and eliminates blood cells, part of the immune system
pericardium
Translucent membrane surrounding the heart
pericardial cavity
cavity that contains the heart
pleural cavities
cavity that contains the lungs
caecum
a pouch connected to the junction of the small and large intestines.
umbilical cord
a tube containing the blood vessels connecting the fetus and placenta
nipple
along milk lines in female pigs
distal
anything more towards the outside of the pig
gubernaculum
band of connective tissue that attaches testes to scrotum
glottis
below and protected by the epiglottis, the opening the respiratory system
sternum
breast plate, protects the chest
systemic aorta
carries blood from the left ventricle to the body
pulmonary arteries/veins
carry deoxygenated blood out of/ oxygenated blood into the ventricles and into the lungs
pharynx
connects the nose and mouth to the esophagus, throat, part of the respiratory and digestive system
ductus arteriosus
connects the pulmonary artery to the aorta, bypassing the lungs in a fetal animal, closes with its first breath
foramen ovale
connects the two atria in the fetal heart
thoracic cavity
contains heart and lungs, upper chest cavity
penile urethra
continues through the penis to the urogenital opening
aortic arch
curve of the aorta
umbilical vein
delivers oxygenated blood from the placenta to the fetus, contained within the umbilical cord
pancreas
digestive and endocrine functions so it empties into the small intestine, found between the stomach and duodenum, held in place by the mesentery membrane
postcaval vein
drains the lower part of the body
precaval vein
drains the upper part of the body
male urogenital opening
exit of the male urogenital system, small mound just posterior to umbilical cord
coronary artery/vein
found in the boundary between ventricles, transports blood into/out of the heart
meconium
greenish-black material that fills the fetal digestive system (stomach, specifically), composed of sloughed-off cells and amniotic fluid
liver
produces bile and processes nutrient-rich blood from the intestines, large brownish-red posterior to diaphragm
bronchioles
progressively smaller tubular branches of the airways, leading from the alveoli to the bronchus and into each lung
urogenital papilla
reproductive function, covers urogenital opening/orifice for female, ventral to anus
pyloric sphincter
ring of muscle that guards the opening between the stomach and the intestines, prevents backflow
pelvic urethra
runs from the urinary bladder to the penis
ventral
side of pig that faces the ground (belly/chest)
dorsal
side of the pig that faces the sky (back)
alveoli
small terminal sacs where oxygen and carbon dioxide exchange occurs.
thymus
spongy tissue anterior to the heart, part of the immune system, makes white blood cells
gall bladder
stores bile and sends it to the small intestine
urinary bladder
stores urine
anus
terminal end or opening of the digestive tract to the outside of the body
rectum
terminates the large intestine
inguinal canal
the channel through which the testis descends into the scrotum in the male
vas deferens
the duct that conveys sperm from the testicle to the urethra.
esophagus
the first part of the digestive system, tube to carry food from mouth to stomach
stomach
the large muscular sac that continues the mechanical and chemical digestion of food
testis
the male reproductive organ that produces sperm and hormones
urethra
the tube that carries urine from the bladder to the outside of the body, not functional until after birth
atria
the two upper chambers of the heart, smaller and thinner-walled
hepatic portal vein
the vein that drains the small intestine and delivers blood to the liver
dura mater
tough connective tissue that attaches the brain to the skull and seals the rest of the nervous system
cranial
towards the head
caudal
towards the tail
larynx
voicebox; passageway for air moving from pharynx to trachea; contains vocal cords
horn of the uterus
where each oviduct merges
trachea
windpipe, connects Larynx to bronchi