bulb of a hair

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• Bulb of a hair — Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and …   The Collaborative International Dictionary of English

• Bulb — (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and producing …   The Collaborative International Dictionary of English

• Bulb of a tooth — Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and …   The Collaborative International Dictionary of English

• Bulb of the eye — Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and …   The Collaborative International Dictionary of English

• Bulb of the spinal cord — Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and …   The Collaborative International Dictionary of English

• hair bulb — n the bulbous expansion at the base of a hair from which the hair shaft develops * * * bulb of hair bulbus pili …   Medical dictionary

• bulb — [bulb] n. [ME < L bulbus < Gr bolbos] 1. an underground bud that sends down roots and consists of a very short stem covered with leafy scales or layers, as in a lily, onion or hyacinth 2. a corm, tuber, or tuberous root resembling a bulb,… …   English World dictionary

• bulb — 1. Any globular or fusiform structure. SYN: bulbus [TA]. 2. A short, vertical underground stem of plants, such as onion and garlic. [L. bulbus, a bulbous root] aortic b. [TA] the dilated first part of the aorta containing the aort …   Medical dictionary

• Hair — For other uses, see Hair (disambiguation). Hairy redirects here. For individuals nicknamed the Hairy , see List of people known as the Hairy. Hair Cross section of a hair Latin unguis …   Wikipedia

• hair — 1. One of the fine, keratinized filamentous epidermal growths arising from the skin of the body of mammals except the palms, soles, and flexor surfaces of the joints; the full length and texture of h. varies markedly in different body sites. SYN …   Medical dictionary

• hair — n. a threadlike keratinized outgrowth of the epidermis of the skin. It develops inside a tubular hair follicle. The part above the skin consists of three layers: an outer cuticle; a cortex, forming the bulk of the hair and containing the pigment… …   The new mediacal dictionary