EEB lab exam 2 vocab

proboscis

trunk

columnar limbs

limb bones are in a straight vertical line directly beneath the body - helpful for supporting heavy weight

which teeth are elephant tusks

upper incisors

musth

when male elephants become aggressive from heightened testosterone

syndactylous

digits are fused together

fusiform

torpedo shaped

fluke

two lobes making up the tail - for propulsion

tusks of dugongs are what type of teeth

incisors

notch

the indent in between the flukes of a tail

which animal family does not have a notch on tail

trichedhidae (manatees)

umbraculum

membrane that shades pupils in eyes. found in hyraxes (family Procaviidae)

unguligrade

An animal walks on tippy toes, protected by a hoof

which order is “odd toed”

order perissodactyla

what are the scales of family manidae made of

karatin

protrusible

like anteater tongue that can shoot out

suspensorial

adapted for hanging and swinging

carapace

shell

scutes

epidermal plates - the plates making up a shell (made of karatin)

axial skeleton

the inner skelleton (not including boney shell)

digitigrade

standing on toes

cannon bone

the bone in unguligrade legs right before the foot part

what type of teeth are the tusks in pigs

lower canines

metacarpals

bones in the hand

metatarsals

bones in the middle feet

whats the difference between horns and antlers

Horns have a permanent bony core covered in a keratin sheath. Antlers are all bone, and they are not permanent. (annually shed and regrown)

which family has antlers

cervidae

dewclaw

side toe (like a dog thumb)

ossicone

the bone that makes up the “nubs” on giraffes.

deciduous

shedding and regrowing yearly (like antlers)

amphibious

adapted to live in both land and water

baleen

the filter like teeth situation for whales. made of karatin

dorsal fin

the shark fin thingy (present in balaenopteridae)

supraoccipital bone

found in whales and dolphins etc

longitudinal grooves

the long folds on the chin/belly of a whale 

occipital crest

promenent in sperm whales (physeteridae) i THINK its the bump on the back of the head idk

boss

swelled premaxilla like a giant fat bulge above ur eues (found in phocoeniday [porpoises])

pinna

oustide of ears

cheek pouches

in heteromyids and geomyidae - to transport food and nest material

pelage

fur or spines or whatever is on the outside

paroccipital proccess in capybara 

super longgg (caviidae family)

which families have horns?

giraffidae (ossicones), bovidae, antilocapridae.