Pollex

The first, or preaxial, digit of the fore limb, corresponding to the hallux in the hind limb; the thumb. In birds, the pollex is the joint which bears the bastard wing.

foramen caecum

Biology; Anatomy

The dorsum of the tongue is convex and marked by a median sulcus, which divides it into symmetrical halves; this sulcus ends behind, about 2. 5 cm from the root of the organ, in ...

olfactory bulb

Biology; Anatomy

The olfactory bulb is a structure of the vertebrate forebrain involved in olfaction, the perception of odors.

apex

Biology; Anatomy

A narrowed or pointed end of an anatomical structure.

tongue

Biology; Anatomy

The tongue is a muscle on the floor of the mouth that manipulates food for chewing and swallowing (deglutition).

olfactory membrane

Biology; Anatomy

The portion of the nasal mucosa having olfactory receptor cells and olfactory glands.

oesophagus

Biology; Anatomy

The esophagus or oesophagus, sometimes known as the gullet, is an organ in vertebrates which consists of a muscular tube through which food passes from the pharynx to the ...

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Industry/Domain: Health care Category: Optometry

Fresnel prism

A fresnel prism is a type of compact lens originally developed by French physicist Augustin-Jean Fresnel for lighthouses. The design allows lenses to ...