Which of the following bends and focuses light rays on the retina? More example sentences. Medical Definition of chalaza : either of a pair of spiral bands in the white of a bird's egg that extend from the yolk and attach to opposite ends of the lining membrane Comments on chalaza ‘In wheat, evidence was found that a barrier occurred in the chalaza, a small zone of cells between the maternal vascular tissue and the nucellus.’. The spinal cord is responsible for carrying impulses for the sense of sight from the retina to the brain. See more. A stye, … Advertising on our site helps support our mission. If you asked me to guess what the word "chalaza" means, I'd say, from its sound, that it would have to be an odd cactus-y looking plant that grows only in the Atacama desert and flowers once a decade, or an extinct language formerly spoken in the southern Caucasus mountains, or perhaps some sort of Levantine breadstick. They are typically in the middle of the eyelid, red, and not painful. Information and translations of chalazae in the most comprehensive dictionary definitions resource on … noun Cha*la"za. Translation of chalazae in Amharic. Start studying Medical Terminology Chapter 14. Biology One of two spiral bands of tissue in an egg that connect the yolk to the lining membrane at either end of the shell. This contact zone between the ovule and carpel wall elongates with the growing grain and finally becomes oriented along the base of the crease ( Frazier and Appalanaidu 1965, Shamrov 2002 ). (Zoology) one of a pair of spiral threads of albumen holding the yolk of a bird's egg in position 2. chalaza - WordReference English dictionary, questions, discussion and forums. (T/F). What are synonyms for chalazae? All Rights Reserved. Definition of chalazae is አስኳል ክር. (0) Of or pertaining to the chalaza. Corne/o and which other combining form mean cornea? We do not endorse non-Cleveland Clinic products or services. Scler/o is the combining form meaning sclera or: All of the following describe the optic disc except: The combining form binder/o means to bind together. Which of the following covers the iris, the pupil, and refracts light? It attaches or suspends the yolk or nucellus within the larger structure. [ Biol] A spiral band of thickened albuminous substance which exists in the white of the bird's egg, and serves to maintain the yolk in its position; the treadle. Cleveland Clinic is a non-profit academic medical center. Chalazal meaning. chalaza 1. 0. The chalaza is the region of the ovule where the nucellus, integuments, and funicle merge, and therefore usually encompasses a vascular bundle. [ Bot] The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus. (T/F), The site of sharpest vision is the fovea centralis. Uncontrolled blinking or twitching of the eyelid is called: The combining form opt/o means vision. 5 words related to chalaza: ovule, plant part, plant structure, egg, animal tissue. The sixteen padārthasrepresent a method of intellectual analysis and categorize everything that is knowable and nameable. Chalazion is a cyst in the eyelid usually due to a blocked meibomian gland. The use of intense cold to seal a hole or tear in the retina is performed in which surgical procedure? Examples of how to use “chalaza” in a sentence from the Cambridge Dictionary Labs ( zoology ) One of the two spiral bands which attach the yolk of an egg to the eggshell , suspending it in the white . (T/F) False (conjunctiv/o means to bind together) (T/F). By further growth this tissue gives rise to a proembryo, which consists, at the micropylar end, of a sac; the tissue at the chalazal end grows into a long and tangled suspensor, terminating in a mass of cells, which is eventually differentiated into a radicle, plumule and two cotyledons. zas. Two thick strands of transparent albumin in an egg that connects to membrane linings of each end of the egg shell and that helps to hold or support the yolk in the center of the thick inner, white layer. (cell and molecular biology) One of the paired, spiral, albuminous bands in a bird's egg that attach the yolk to the shell lining membrane at the ends of the egg. Chalaza definition: one of a pair of spiral threads of albumen holding the yolk of a bird's egg in position | Meaning, pronunciation, translations and examples Senses. Chala (छल, “quibbling”) refers to the … The combining form binder/o means to bind together. (Botany) the basal part of a plant ovule, where the integuments and nucellus are joined (Medical) (f) Meaning of chalazae. n chalaza In botany, that part of the ovule or seed where the integuments cohere with each other and with the nucleus. Advertisement. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Most people learn the term chalazion when they google “what is … Copyright © 2020 LoveToKnow. (T/F). (T/F). chalaza (plural chalazas or chalazae) ( botany ) The location where the nucellus attaches to the integuments , opposite the micropyle . Which of the following is responsible for central vision? Enucleation refers to the excision of the: The condition of nearsightedness in which it is difficult to see objects at a distance is called: Which of the following terms is an abnormal overflow of tears caused by blockage of the lacrimal duct? All Free. Pseudophakia is the term used when someone has had this type of implant: Which of the following perceives and transmits light to the optic nerve? Zoology. The blocked gland is usually the meibomian gland, but can also be the gland of Zeis. 1. aceae), chalaza haustoria cells of Rhinanthus minor ( Scrophulariaceae), meiotic nuclei of oocytes of Achera domesticus (L.) (Orthoptera), and human metaphase chromosomes were obtained according to conventional methods. 5 words related to chalaza: ovule, plant part, plant structure, egg, animal tissue. In Casuarina, Juglans and the order Corylaceae, the pollen-tube does not enter by means of the micropyle, but passing down the ovary wall and through the placenta, enters at the chalazal end of the ovule. Antonyms for chalazae. (T/F), False (conjunctiv/o means to bind together). Cleveland Clinic is a non-profit academic medical center. Policy. 2. The combining form cili/o means ciliary body. noun chalazae. Synonyms for chalazae in Free Thesaurus. 1. (in a bird's egg) each of two twisted membranous strips joining the yolk to the ends of the shell. Advertising on our site helps support our mission. (f) 2. Chalaza cooking information, facts and recipes. The structure of the proximal end of the nucellus, adjacent to the chalaza , is variable and often includes modifications such as a hypostase or enlarged dermal cells. adjective. Botany The region of an ovule that is opposite the micropyle, where the integuments and nucellus are joined. It is the true base of the seed, but corresponds to the hilum or scar only in some cases. What does chalazae mean? In brief, root tips of Allium cepa were fixed in ethanol-glacial acetic acid (3:l). An outward turning of the rim of the eyelid is called: The jelly-like mass filling that gives bulk to the eye is: An eye condition that could result in blindness if not repaired surgically is: The posterior chamber is the fluid-filled space between the cornea and iris. They tend to come on gradually over a few weeks. A stye and cellulitis may appear similar. chalaza. 0. The ophthalmologic term describing a fibrous growth of conjunctival tissue that extends onto the cornea is termed: The colored part of the eye is the iris. Chalazion, a sebaceous tumor of the eyelid, resembling a stye. It is first recorded in English in the early 1700s. 1. basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined. (T/F). 2. one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell. The instrument most commonly used to visualize the interior of the eye is a/an: An agent that causes the pupil to dilate is called a/an: All of the following are refractive errors except: Where do the nerve fibers from the rods and cones come together? ... Chalaza means: a) dim b) a slackening c) hailstone d) nodular inflammation. Chalaza, one of the ligaments uniting the yolk of an egg to the ends; treadle. Synonyms for chalaza in Free Thesaurus. A chalazion may occur following a stye or from hardened oils blocking the gland. The chalaza is a structure inside bird and reptile eggs and plant ovules. Antonyms for chalaza. The definition of a chalazion is a lump in the upper or lower eyelid that is caused by obstruction of the drainage duct of an oil gland within the eyelid. It is one of the sixteen categories of discussion (padārtha) according to the doctrine of the Nyāya-sūtras by Akṣapāda. Absence of a lens, usually after a cataract extraction is called: Which of the following glands are oil glands that surround the eyelashes? Definition of chalazae in the Definitions.net dictionary. A group of diseases characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision is: What carries filtered aqueous humor to the veins and bloodstream. (T/F), The combining form phon/o means light. [chah-lah’-thah] noun. Dictionary entry overview: What does chalaza mean? ə] (botany) The region at the base of the nucellus of an ovule; gives rise to the integuments. The medical term for a sty is: a) hordeolum b) pterygium c) chalazion d) blepharitis. The chalaza (the region where integuments and nucellus merge) is in contact with the placenta of the ovary wall, and tissues are not clearly delineated. What are synonyms for chalaza? one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell Bilobate definition, consisting of or divided into two lobes. chalazae - ትርጉም Chalazion is derived from the Greek word chálaza, meaning “hailstone” or “lump.”. Chala (छल) refers to “quibbling”.
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