Sentence Examples with the word Distal

Cavity of the zooecium subdivided by transverse diaphragms, most numerous in the distal portion.

It is homologous with the distal ends of the ceratohyals or ventral elements of the hyoidean or second visceral arch.

The keel is pushed back to the distal third of the sternum, whilst the original anterior margin of the keel is correspondingly elongated,and the furcula fused with the rostral portion.

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Bleeding from a vein is of a darker colour; the flow is steady, and the bleeding is from the distal end of the vessel.

Only in the ostrich the distal ends of the pubes meet, forming a daggershaped symphysis, which is curved forwards.

An ear of another type is found in the swollen second segment of the feeler in many male gnats and midges, the cuticle between this segment and the third forming an annular drum which is connected with numerous nerveendings, while the fine bristles on the more distal segments vibrate in response to the note produced by the humming of the female.

When a nerve-trunk is separated from its central connexion, the distal portion falls into a state of fatty degeneration (Wallerian or secondary degeneration).

But the proximal pair are often fused into a single median antenna (supplied, however, by two nerves), and in one case at least the distal pair may be similarly fused.

The histological structure oc', oc 2, Distal and proximal median of the Scyphomedusae is in ocelli.

Similarly in the sporophylls of some cycads the bundles are endarch near the base and mesarch near the distal end of the stamen or carpel.