Term
| Diagnostic Mammalian Features of the Skull |
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Definition
- Single lower jaw bone (Dentary)
• Dentary/Squamosal articulation
• 3 inner ear bones (Incus, Malleus, Stapes)
• 2 occipital condyles |
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Term
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Definition
• Anterior/Posterior
• Dorsal/Ventral
• Proximal/Distal |
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Term
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Definition
• Process
• Condyle
• Suture
• Foramen
• Fossa |
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Term
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Definition
• Braincase
• Rostrum
• Auditory Bullae
• Occipital condyles |
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Term
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Definition
Dentary
• Mandibular symphysis |
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Term
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Definition
Lingual side: interior surface
• Labial/Buccal side: exterior
surface
• occlusal surface: surface where
upper and lower teeth meet
• diastema: gap between teeth |
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Term
| The right tools for the job |
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Definition
Carnivores need to shear meat
• carnassial pair: 4th upper
premolar and 1st lower molar
• Insectivores: crush insects
• Herbivores need to grind
foliage
• modified cheek teeth |
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Term
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Definition
• Lophodont
• Selenodont
• Bunodont |
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Term
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Definition
• rounded cusps create uneven surface
• occlusal surface fully covered with enamel
• common in omnivores |
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Term
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Definition
• occlusal surface with enamel ridges
and dentine “valleys”
• fused cusps form irregular ridges
• common in herbivores |
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Term
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Definition
occlusal surface with enamel ridges and
dentine “valleys”
• elongated cusps form crescent-shaped ridges
• common in herbivores |
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Term
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Definition
Monophyodont: no replacement
• toothed whales
• Diphyodont: one replacement
• Deciduous to permanent
• Progressive/Horizontal Replacement
• manatees, elephants, kangaroos
• Rootless, Ever-growing
• rodents, lagomorphs |
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Term
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Definition
no replacement
• toothed whales |
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Term
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Definition
one replacement
• Deciduous to permanent |
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Term
| Progressive/Horizontal Replacement |
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Definition
| manatees, elephants, kangaroos |
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Term
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Definition
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Term
| Ancestral Dental Formula – Marsupial: |
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Definition
| I 5/4 C 1/1 P 3/3 M 4/4 = 50 |
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Term
| Ancestral Dental Formula – Placental: |
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Definition
| I 3/3 C 1/1 P 4/4 M 3/3 = 44 |
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Term
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Definition
| Enamel, Dentine, Pulp, Crown, Root |
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Term
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Definition
| Diphyodont, Monophydont, Progressive/horizontal replacement, Evergrowing |
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Term
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Definition
Pair of shearing teeth (as opposed to grinding) consisting of the first Molar on
the bottom and the last Premolar on the top. |
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Term
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Definition
| Larger, upper portion of the Skull. Made up of Braincase and Rostrum |
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Term
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Definition
| Dentary bone and teeth, lower half of the skull |
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Term
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Definition
| Portion of the cranium posterior to the anterior margin of the eye orbit |
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Term
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Definition
| Portion of the cranium from the anterior to the anterior margin of the eye orbit |
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Term
| Post-orbital process vs. bar vs. plate |
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Definition
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Term
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Definition
| Jugal bone plus the zygomatic process of the squamosal |
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Term
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Definition
Large hole in the base of the skull that opens the brain case to the spinal
cord |
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Term
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Definition
Bony processes on either side of the foreman magnum that articulate with
the vertebrae
Auditory Bullae |
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Term
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Definition
| Bulb-like protrusions on the ventral side of the skull that houses the ossicles. |
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Definition
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Definition
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Definition
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Term
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Definition
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Term
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Definition
| Line (immovable articulation between two bones) |
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Term
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Definition
| Gap between teeth, most commonly between incisors/canines and cheek teeth |
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Term
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Definition
| The top surface of the tooth that meets with the teeth of the other jaw |
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Term
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Definition
· Rodentia
· Carnivora (Familes: Felidae, Canidae, Procyonidae, Mustelidae)
· Lagomorpha
· Insectivora
· Chiroptera
· Primates
· Ungulata
· Dedelphimorphia (member of Supraorder Marsupialia) |
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Term
| Glands associated with hair/skin |
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Definition
| Eccrine (sweat), Sudoriferous (sweat/odor) and Sebaceous (Oil) Glands |
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Term
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Definition
Hair Follicle, dermal papilla,
Cortex, Cuticle, Medula
Scale patterns along the cuticle |
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Term
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Definition
| Eumelanin, Phaeomelanin, & Aguoti Pattern |
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Term
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Definition
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Term
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Definition
Vibrissae
Guard Hairs – Awns, Bristles, Spines
Under Hairs – Wool, Fur, Velli |
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Term
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Definition
| Differences between horns, antlers, pronghorns, rhino horns, and giraffe horns. |
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Term
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Definition
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Term
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Definition
Path of sperm :
Testes -> Epididymis -> Vas Deferens -> Urethra |
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Term
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Definition
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Term
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Definition
| Maturation and storage of sperm |
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Term
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Definition
| Testes -> Epididymis -> Vas Deferens -> Urethra |
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Term
| Female Reproductive tract: |
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Definition
| Variation among monotremes, marsupials, eutherians |
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Term
| Ovaries & Ovary Follicle Development |
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Definition
| Primordial, Primary, Secondary, Graafian Follicles & Corpus Luteum |
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Term
| Ovaries & Ovary Follicle Development |
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Definition
| Primordial, Primary, Secondary, Graafian Follicles & Corpus Luteum |
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Term
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Definition
| transports egg from ovary to uterus; site of fertilization |
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Term
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Definition
site of embryonic development; variation among Eutherians (duplex, bipartite,
bicornuate, simplex) |
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Term
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Definition
- 3 membranes: chorion, amnion, allantois
- Choriovitelline vs. chorioallantoic (vs. monotreme egg)
- Eutherian placentas: Difuse, Cotyledonary, Zonary, Discoid |
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Term
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Definition
| chorion, amnion, allantois |
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Term
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Definition
| Difuse, Cotyledonary, Zonary, Discoid |
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Term
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Definition
Active vs. Inactive
Nipple vs. Teat |
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