fenestrae foramen

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• Skull — For other uses of Skull , see Skull (disambiguation). Cranium redirects here. For other uses, see Cranium (disambiguation). Volume rendering of a Mouse skull The skull is a bony structure in the head of many animals that supports the str …   Wikipedia

• crest — 1. A ridge, especially a bony ridge. SEE ALSO: crista. 2. The ridge of the neck of a male animal, especially of a stallion or bull. 3. Feathers on the top of a bird s head, or fin rays on the top of a fish s head. SYN: crista [TA]. [L. crista] …   Medical dictionary

• Temporal bone — Bone: Temporal bone Cranial bones …   Wikipedia

• fossa — A depression usually more or less longitudinal in shape below the level of the surface of a part. [L. a trench or ditch] acetabular f. [TA] a depressed area in the floor of the acetabulum superior to the …   Medical dictionary

• Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… …   Medical dictionary

• reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… …   Universalium

• Cryptonanus — Scientific classification Kingdom: Animalia Phylum: Chordata Class: Mammalia …   Wikipedia

• crista — SYN: crest. [L. crest] c. ampullaris [TA] SYN: ampullary crest. c. ampullaris (ductuum semicircularium) [TA] SYN: ampullary crest (of semicircular ducts). c. arcuata cartilaginis arytenoideae [TA] SYN: arcuate crest of arytenoid cartilage. c.… …   Medical dictionary

• Crocodile — For other uses, see Crocodile (disambiguation). For differences between alligators and crocodiles, see Crocodilia#Differences between alligators and crocodiles. Bilateria Crocodiles Temporal range: Eocene – Recent, 55–0 Ma …   Wikipedia

• Mapusaurus — Bilateria Mapusaurus Temporal range: Late Cretaceous, 95 Ma …   Wikipedia

• crocodile — crocodiloid /krok euh dil oyd, krok euh duy loyd/, adj. /krok euh duyl /, n. 1. any of several crocodilians of the genus Crocodylus, found in sluggish waters and swamps of the tropics. 2. any reptile of the order Crocodylia; crocodilian. 3. the… …   Universalium