BO1. Circulatory (cardiovascular)
a. arteries
a. axillary
b. brachiocephalic
c. carotid
f. femoral
h. hepatic
i. iliac
j. jugular
m. mesenteric
o. ovarian
pe. pedis
p. pulmonary
r. renal
sa. saphenous
s. subclavian
sp. splenic
t. testicular
ti. tibular
b. blood
c. capillaries
ch. chlorocruorin [predominantly marine]
h. heart
a. arch of aorta
m. myogenic
n. neurogenic
v. ventricle
va. valve
hg. hemoglobin
he. hemolymph [strictly invertebrates]
ht. hemerythrin
hc. hemocyanin [molluscs]
ho. hemocoel [invertebrates]
v. veins
a. axillary
b. brachiocephalic
c. carotid
ce. Celiac trunk
f. femoral
h. hepatic
i. iliac
j. jugular
m. mesenteric
o. ovarian
pe. pedis
p. pulmonary
r. renal
sa. saphenous
s. subclavian
sp. splenic
t. testicular
ti. tibular
BO2. Digestive
a. ascending colon
ac. anal canal
c. cecum
d. duodenum
dc. descending colon
e. esophagus
g. gallbladder
i. intestine s small; l large
il. ileum
j. jejunum
l. liver
me. mesentery
m. mouth
o. oral cavity
p. pancreas
ph. pharynx
r. rectum
sa. salivary glands
p. parotid
s. submandibular
su. sublingual
sc. sigmoid colon
s. stomach
tc. transverse colon
th. teeth
BO3. Endocrine
a. adrenal glands
d. diapause [insects]
h. hypothalamus
pa. parathyroid glands
p. pituitary gland
pi. pineal glands
t. thyroid
u. urophysis [fish]
BO4. Respiratory
a. air sac [avian]
ab. abdominal [avian]
a. anterior thoracic [avian]
c. cervical [avian]
cl. clavicular [avian]
p. posterior thoracic [avian]
bl. book lung [arthropods and insects]
b. bronchi
br. bronchioles
bu. buccal cavity [fish]
d. diaphragm
e. epiglottis
g. glottis
gi. gills [fish]
l. lungs p is pleura
nc. nasal conchae
n. nasal cavity
o. operculi [fish]
p. pharynx
s. sinus
sp. sphenoid
p. paranasal
pt. paratympanic
sp. spiracles [insects]
sw. swim bladder [fish]
t. trachea
to. tracheoles [insects]
x. larynx
BO5. Skeletal and muscular (generally considered separately)
b. bones
j. joints
l. ligaments
m. muscles
t. tendons
BO6. Nervous system
b. brain
br. brainstem
ci. ciliary body
c. cerebrum
co. cornea
cl. cochlea
cr. cranial nerves
ch. cerebral hemispheres
d. diencephalon
ea. ear
ed. ear drum
e. enteric nervous system
ey. eye
g. ganglia
in. inner ear
i. iris
l. lens
me. middle ear
n. nerves
ol. olfactory epithelium
o. outer ear
os. ossicles
r. retina
s. spinal cord
sn. spinal nerves
to. tongue
t. tastebuds
BO7. Lymphatic system
b. bone marrow
i. interstitium
l. lymph nodes
lv. lymphatic vessel
s. spleen
t. tonsils
y. thymus
BO8. Reproductive [Can be subdivided into internal and external]
b. bulbourethral glands
c. cervix
cl. cloaca [avian]
e. epididymis
f. fallopian tubes
o. ovaries
p. penis
pl. placenta
po. polyps [sponges, coelenterates]
pr. prostate
sc. scrotum
s. seminal vesicles
sp. spermatophores [molluscs]
t. testes
u. uterus
v. vagina
vd. vas deferens
BO9. Urinary
b. bladder
k. kidney
u. urethra
v. ureters
BO0. Integumentary
h. hair
m. mammary glands
n. nails
s. skin
su. subcutaneous tissue